Cold outbreak in United States, 12 to 23 September 2026

Name: Cold outbreak in United States, 12 to 23 September 2026
Start: 2026-09-12
End: 2026-09-23
Location: United States

Cold outbreak in United States, 12 to 23 September 2026: 184 records at 166 stations, peak on 13 September 2026. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Cold outbreak in United States, 12 to 23 September 2026 set or tied 184 station records at 166 stations.
It ran from 12 September 2026 to 23 September 2026 (12 days) and its peak day was 13 September 2026.
Status: closed.
Sonora set a monthly record low minimum temperature of 1.1 C (34.0 F) on 16 September 2026 (provisional).
The busiest day was 13 September 2026 with 104 records.
The oldest broken record in the ranked list had stood for 105 years.

Footprint

12 to 23 September 2026

The area covered by Cold outbreak in United States, 12 to 23 September 2026 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Cold outbreak in United States, 12 to 23 September 2026: stations that set records in the event
Station	Type	Value	Date
Sonora	Record low minimum temperature	1.1 C (34.0 F)	2026-09-16
Crater Lake Nps HQ	Record low maximum temperature	4.4 C (39.9 F)	2026-09-14
Plain	Record low maximum temperature	13.3 C (55.9 F)	2026-09-14
Friant Government Camp	Record low minimum temperature	4.4 C (39.9 F)	2026-09-23
Ellensburg Bowers Fld	Record low maximum temperature	13.3 C (55.9 F)	2026-09-13
Satus Pass 2 SSW	Record low maximum temperature	8.9 C (48.0 F)	2026-09-14
Yakima AP	Record low maximum temperature	13.3 C (55.9 F)	2026-09-13
Astoria AP (Port of)	Record low maximum temperature	16.1 C (61.0 F)	2026-09-12
Ephrata AP	Record low maximum temperature	14.4 C (57.9 F)	2026-09-13
Richland	Record low maximum temperature	17.2 C (63.0 F)	2026-09-13
Picabo	Record low maximum temperature	10.0 C (50.0 F)	2026-09-15
Gibbs Rch - Jarbidge 24SE	Record low minimum temperature	-5.6 C (21.9 F)	2026-09-15
Moses Lake Grant Co AP	Record low maximum temperature	13.9 C (57.0 F)	2026-09-13
Wenatchee Pangborn Mem AP	Record low maximum temperature	13.3 C (55.9 F)	2026-09-13
Markley Cove	Record low minimum temperature	5.6 C (42.1 F)	2026-09-18
Wolverine	Record low minimum temperature	-2.8 C (27.0 F)	2026-09-15
Toketee Falls	Record low maximum temperature	13.3 C (55.9 F)	2026-09-13
Calvert Creek	Record low minimum temperature	-4.6 C (23.7 F)	2026-09-15
Calvert Peak Oregon	Record low maximum temperature	10.0 C (50.0 F)	2026-09-12
Tupper Oregon	Record low maximum temperature	11.7 C (53.1 F)	2026-09-13
Lewis Lake Divide	Record low minimum temperature	-4.0 C (24.8 F)	2026-09-15
Pollywog Oregon	Record low maximum temperature	12.2 C (54.0 F)	2026-09-13
Allison Oregon	Record low maximum temperature	10.0 C (50.0 F)	2026-09-13
Cold Springs Oregon	Record low maximum temperature	12.2 C (54.0 F)	2026-09-13
Red Box Oregon	Record low maximum temperature	10.0 C (50.0 F)	2026-09-13
Wanderer's Peak Oregon	Record low maximum temperature	8.3 C (46.9 F)	2026-09-13
Daly Lake	Record low maximum temperature	8.2 C (46.8 F)	2026-09-13
Longmire Rainier Nps	Record low maximum temperature	9.4 C (48.9 F)	2026-09-14
Shanghi Summit	Record low maximum temperature	9.0 C (48.2 F)	2026-09-14
Beaver Creek	Record low minimum temperature	-3.3 C (26.1 F)	2026-09-15
Oakland Museum	Record low maximum temperature	17.8 C (64.0 F)	2026-09-21
Sugarloaf Oregon	Record low maximum temperature	10.0 C (50.0 F)	2026-09-12
Catnip Mountain Nevada	Record low maximum temperature	15.6 C (60.1 F)	2026-09-13
Board Creek Oregon	Record low maximum temperature	11.1 C (52.0 F)	2026-09-13
Colgate Oregon	Record low maximum temperature	14.4 C (57.9 F)	2026-09-13
Haystack Oregon	Record low maximum temperature	14.4 C (57.9 F)	2026-09-13
Strawberry Oregon	Record low maximum temperature	12.2 C (54.0 F)	2026-09-13
Wamic Mill Oregon	Record low maximum temperature	12.8 C (55.0 F)	2026-09-13
Blewett Pass	Record low maximum temperature	7.5 C (45.5 F)	2026-09-13
Upper Wheeler	Record low maximum temperature	7.6 C (45.7 F)	2026-09-13
Montague Siskiyou AP	Record low maximum temperature	20.0 C (68.0 F)	2026-09-13
Little Warm	Record low minimum temperature	-6.3 C (20.7 F)	2026-09-15
Monterey	Record low maximum temperature	16.1 C (61.0 F)	2026-09-20
Board Hollow Oregon	Record low maximum temperature	12.2 C (54.0 F)	2026-09-13
Patjens Oregon	Record low maximum temperature	15.6 C (60.1 F)	2026-09-13
Sage Hen Oregon	Record low maximum temperature	13.3 C (55.9 F)	2026-09-13
Eilertson Meadows	Record low maximum temperature	9.1 C (48.4 F)	2026-09-13
Snow Mountain	Record low maximum temperature	6.7 C (44.1 F)	2026-09-13
Corral Pass	Record low maximum temperature	4.3 C (39.7 F)	2026-09-13
Gas Caves Idaho	Record low minimum temperature	-3.3 C (26.1 F)	2026-09-15
Brenner Montana	Record low minimum temperature	-1.7 C (28.9 F)	2026-09-15
Pebble Oregon	Record low maximum temperature	10.6 C (51.1 F)	2026-09-12
Saddle Mountain	Record low maximum temperature	10.8 C (51.4 F)	2026-09-12
Slater Butte California	Record low minimum temperature	5.0 C (41.0 F)	2026-09-13
Stonyford California	Record low minimum temperature	4.4 C (39.9 F)	2026-09-13
Brer Rabbit Oregon	Record low maximum temperature	8.3 C (46.9 F)	2026-09-13
Lava Butte Oregon	Record low maximum temperature	13.9 C (57.0 F)	2026-09-13
Canyon Creek Washington	Record low maximum temperature	10.0 C (50.0 F)	2026-09-13
Aneroid Lake #2	Record low maximum temperature	6.3 C (43.3 F)	2026-09-13
Fish Creek	Record low maximum temperature	9.0 C (48.2 F)	2026-09-13

Records per Day

Peak day 104

Records set or tied each day from 12 September 2026 to 23 September 2026. The most in one day was 104 on 13 September 2026.

Records per day during Cold outbreak in United States, 12 to 23 September 2026
Date	Records
2026-09-12	11
2026-09-13	104
2026-09-14	23
2026-09-15	26
2026-09-16	1
2026-09-17	3
2026-09-18	2
2026-09-19	1
2026-09-20	8
2026-09-21	4
2026-09-23	1

Top Records by Margin

Margin over the record replaced

Top records of Cold outbreak in United States, 12 to 23 September 2026 ranked by margin
Satus Pass 2 SSW, 09-14	5.5 C (9.9 F)
Moses Lake Grant Co AP, 09-13	5.0 C (9.0 F)
Yakima AP, 09-13	3.9 C (7.0 F)
Picabo, 09-15	3.3 C (5.9 F)
Ellensburg Bowers Fld, 09-13	2.8 C (5.0 F)
Picabo, 09-13	2.2 C (4.0 F)
Ephrata AP, 09-13	1.7 C (3.1 F)
Wenatchee Pangborn Mem AP, 09-13	1.7 C (3.1 F)
Friant Government Camp, 09-23	1.2 C (2.2 F)
Markley Cove, 09-18	1.1 C (2.0 F)
Sonora, 09-16	0.6 C (1.1 F)
Crater Lake Nps HQ, 09-14	0.6 C (1.1 F)
Plain, 09-14	0.6 C (1.1 F)
Sonora, 09-19	0.6 C (1.1 F)
Astoria AP (Port of), 09-12	0.6 C (1.1 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

184 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Cold outbreak in United States, 12 to 23 September 2026
Margin (C)	Years the old record stood
0.6	105
0.6	89
1.2	80
0.6	84
2.8	71
5.5	57
0.6	60
3.9	45
0.5	56
1.7	56
0.6	60
3.3	44
0.6	56
2.2	48
0.6	55
5.0	21
1.7	45
1.1	40
0.5	48
0.5	0
2.2	40
1.1	40
2.2	33
2.1	35
3.3	33
1.4	40
1.6	35
0.5	37
0.5	21
2.2	20
0.6	45
2.2	36
1.9	33
0.9	40
0.8	40
1.0	40
0.7	40
0.7	37
1.1	40
0.8	40
0.6	24
0.5	40
1.7	33
0.3	40
0.3	40
0.1	40
0.6	40
0.2	40
1.3	35
1.9	33
1.5	33
1.7	21
1.1	35
0.6	35
1.1	33
1.6	33
0.6	33
1.1	33
1.3	33
1.6	33
1.1	24
1.1	29
0.6	36
0.6	33
1.7	20
3.4	21
1.7	29
1.1	33
1.7	29
1.0	27
0.1	35
0.2	33
0.3	33
0.5	33
0.6	33
2.8	21
1.8	29
0.1	33
1.7	29
2.8	21
0.5	33
1.9	21
0.2	35
1.2	21
0.5	35
0.7	32
0.1	33
2.4	21
0.2	33
0.9	29
2.6	21
1.0	29
0.5	24
1.1	20
0.6	24
0.6	29
1.2	21
1.7	21
1.7	21
1.7	21
0.7	29
1.1	29
0.6	29
1.1	9
1.1	8
1.6	1
0.5	29
1.1	21
1.2	21
1.6	21
1.1	21
0.9	21
0.8	20
1.0	21
1.8	21
1.7	21
1.1	21
1.5	21
0.9	21
1.0	21
0.8	21
1.3	21
0.3	29
1.1	21
1.1	21
1.2	17
0.6	20
0.5	21
0.5	21
0.6	23
0.6	20
1.1	21
0.6	21
0.5	21
0.6	21
1.1	21
1.1	21
0.5	21
0.5	20
0.1	20
0.7	21
0.5	23
0.6	21
0.1	21
0.5	21
0.9	21
0.7	21
0.9	21
0.5	21
0.5	21
0.7	21
0.7	21
0.5	21
0.5	20
0.6	21
0.2	21
0.1	21
0.2	21
0.2	21
0.4	21
0.4	21
0.1	21
0.5	21
0.2	21
0.4	21
0.1	21
0.2	21
0.6	21
1.2	12
0.1	9
0.6	8
1.2	8
0.6	9
1.1	8
0.3	12
0.5	5
1.1	5
1.1	1
0.3	8
0.5	0
0.6	3
1.1	1
0.5	1
0.5	1

Compared With Other Events

Station records per event

Station records in Cold outbreak in United States, 12 to 23 September 2026 compared with similar events
Cold outbreak in United States and Mexico, 6 February to 5 March 2021	12,118 records
Cold outbreak in United States and Mexico, 13 October to 5 November 2020	9,841 records
Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 2018	8,263 records
Cold outbreak in United States and Mexico, 3 to 23 January 2024	7,675 records
Cold outbreak in United States, 15 January to 10 February 2026	5,568 records
Cold outbreak in United States, 12 to 23 September 2026 (this event)	184 records

Every Record Set

251 of 184

Every record set or tied during Cold outbreak in United States, 12 to 23 September 2026, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2026-09-12	Astoria AP (Port of)	Record low maximum temperature (provisional)	16.1 C (61.0 F)	0.6 C (1.1 F)	60	26 of 100 (Routine)
2026-09-12	Calvert Peak Oregon	Record low maximum temperature (provisional)	10.0 C (50.0 F)	3.3 C (5.9 F)	33	18 of 100 (Routine)
2026-09-12	Sugarloaf Oregon	Record low maximum temperature (provisional)	10.0 C (50.0 F)	0.6 C (1.1 F)	40	16 of 100 (Routine)
2026-09-12	Pebble Oregon	Record low maximum temperature (provisional)	10.6 C (51.1 F)	1.1 C (2.0 F)	33	14 of 100 (Routine)
2026-09-12	Saddle Mountain	Record low maximum temperature (provisional)	10.8 C (51.4 F)	0.1 C (0.2 F)	33	14 of 100 (Routine)
2026-09-12	Antelope Oregon	Record low minimum temperature (provisional)	2.2 C (36.0 F)	0.6 C (1.1 F)	23	10 of 100 (Routine)
2026-09-12	Wilkinson Ridge Oregon	Record low maximum temperature (provisional)	14.4 C (57.9 F)	1.2 C (2.2 F)	8	7 of 100 (Routine)
2026-09-12	Quincy	Record low maximum temperature (tie) (provisional)	17.8 C (64.0 F)	tie	56	6 of 100 (Routine)
2026-09-12	Merlin Seed Orchard Oregon	Record low maximum temperature (provisional)	20.0 C (68.0 F)	1.1 C (2.0 F)	5	5 of 100 (Routine)
2026-09-12	Mt. Yoncalla Oregon	Record low maximum temperature (provisional)	16.1 C (61.0 F)	1.1 C (2.0 F)	1	5 of 100 (Routine)
2026-09-12	Silver Creek Falls	Record low maximum temperature (tie) (provisional)	13.3 C (55.9 F)	tie	39	4 of 100 (Routine)
2026-09-12	Collins Baldy California	Record low minimum temperature (tie) (provisional)	3.9 C (39.0 F)	tie	32	3 of 100 (Routine)
2026-09-12	Evans Creek Oregon	Record low maximum temperature (provisional)	15.6 C (60.1 F)	0.5 C (0.9 F)	1	3 of 100 (Routine)
2026-09-12	Parker Mountain Oregon	Record low minimum temperature (tie) (provisional)	3.9 C (39.0 F)	tie	32	3 of 100 (Routine)
2026-09-12	Pollywog Oregon	Record low minimum temperature (tie) (provisional)	5.0 C (41.0 F)	tie	33	3 of 100 (Routine)
2026-09-12	Metoluis Arm Oregon	Record low maximum temperature (tie) (provisional)	17.2 C (63.0 F)	tie	21	2 of 100 (Routine)
2026-09-12	Emigrant Oregon	Record low maximum temperature (tie) (provisional)	13.3 C (55.9 F)	tie	1	0 of 100 (Routine)
2026-09-13	Ellensburg Bowers Fld	Record low maximum temperature (provisional)	13.3 C (55.9 F)	2.8 C (5.0 F)	71	34 of 100 (Routine)
2026-09-13	Yakima AP	Record low maximum temperature (provisional)	13.3 C (55.9 F)	3.9 C (7.0 F)	45	29 of 100 (Routine)
2026-09-13	Ephrata AP	Record low maximum temperature (provisional)	14.4 C (57.9 F)	1.7 C (3.1 F)	56	26 of 100 (Routine)
2026-09-13	Richland	Record low maximum temperature (provisional)	17.2 C (63.0 F)	0.6 C (1.1 F)	56	25 of 100 (Routine)
2026-09-13	Picabo	Record low maximum temperature (provisional)	10.0 C (50.0 F)	2.2 C (4.0 F)	48	24 of 100 (Routine)
2026-09-13	Moses Lake Grant Co AP	Record low maximum temperature (provisional)	13.9 C (57.0 F)	5.0 C (9.0 F)	21	23 of 100 (Routine)
2026-09-13	Wenatchee Pangborn Mem AP	Record low maximum temperature (provisional)	13.3 C (55.9 F)	1.7 C (3.1 F)	45	22 of 100 (Routine)
2026-09-13	Toketee Falls	Record low maximum temperature (provisional)	13.3 C (55.9 F)	1.1 C (2.0 F)	40	20 of 100 (Routine)
2026-09-13	Tupper Oregon	Record low maximum temperature (provisional)	11.7 C (53.1 F)	1.4 C (2.5 F)	40	18 of 100 (Routine)
2026-09-13	Allison Oregon	Record low maximum temperature (provisional)	10.0 C (50.0 F)	1.9 C (3.4 F)	33	17 of 100 (Routine)
2026-09-13	Cold Springs Oregon	Record low maximum temperature (provisional)	12.2 C (54.0 F)	0.9 C (1.6 F)	40	17 of 100 (Routine)
2026-09-13	Pollywog Oregon	Record low maximum temperature (provisional)	12.2 C (54.0 F)	0.8 C (1.4 F)	40	17 of 100 (Routine)
2026-09-13	Red Box Oregon	Record low maximum temperature (provisional)	10.0 C (50.0 F)	1.0 C (1.8 F)	40	17 of 100 (Routine)
2026-09-13	Wanderer's Peak Oregon	Record low maximum temperature (provisional)	8.3 C (46.9 F)	0.7 C (1.3 F)	40	17 of 100 (Routine)
2026-09-13	Daly Lake	Record low maximum temperature (provisional)	8.2 C (46.8 F)	0.8 C (1.4 F)	40	17 of 100 (Routine)
2026-09-13	Catnip Mountain Nevada	Record low maximum temperature (provisional)	15.6 C (60.1 F)	0.5 C (0.9 F)	40	16 of 100 (Routine)
2026-09-13	Board Creek Oregon	Record low maximum temperature (provisional)	11.1 C (52.0 F)	1.7 C (3.1 F)	33	16 of 100 (Routine)
2026-09-13	Colgate Oregon	Record low maximum temperature (provisional)	14.4 C (57.9 F)	0.3 C (0.5 F)	40	16 of 100 (Routine)
2026-09-13	Haystack Oregon	Record low maximum temperature (provisional)	14.4 C (57.9 F)	0.3 C (0.5 F)	40	16 of 100 (Routine)
2026-09-13	Strawberry Oregon	Record low maximum temperature (provisional)	12.2 C (54.0 F)	0.1 C (0.2 F)	40	16 of 100 (Routine)
2026-09-13	Wamic Mill Oregon	Record low maximum temperature (provisional)	12.8 C (55.0 F)	0.2 C (0.4 F)	40	16 of 100 (Routine)
2026-09-13	Blewett Pass	Record low maximum temperature (provisional)	7.5 C (45.5 F)	1.9 C (3.4 F)	33	16 of 100 (Routine)
2026-09-13	Upper Wheeler	Record low maximum temperature (provisional)	7.6 C (45.7 F)	1.5 C (2.7 F)	33	16 of 100 (Routine)
2026-09-13	Montague Siskiyou AP	Record low maximum temperature (provisional)	20.0 C (68.0 F)	1.7 C (3.1 F)	21	16 of 100 (Routine)
2026-09-13	Board Hollow Oregon	Record low maximum temperature (provisional)	12.2 C (54.0 F)	1.1 C (2.0 F)	33	15 of 100 (Routine)
2026-09-13	Patjens Oregon	Record low maximum temperature (provisional)	15.6 C (60.1 F)	1.6 C (2.9 F)	33	15 of 100 (Routine)
2026-09-13	Sage Hen Oregon	Record low maximum temperature (provisional)	13.3 C (55.9 F)	0.6 C (1.1 F)	33	15 of 100 (Routine)
2026-09-13	Eilertson Meadows	Record low maximum temperature (provisional)	9.1 C (48.4 F)	1.1 C (2.0 F)	33	15 of 100 (Routine)
2026-09-13	Snow Mountain	Record low maximum temperature (provisional)	6.7 C (44.1 F)	1.3 C (2.3 F)	33	15 of 100 (Routine)
2026-09-13	Corral Pass	Record low maximum temperature (provisional)	4.3 C (39.7 F)	1.6 C (2.9 F)	33	15 of 100 (Routine)
2026-09-13	Slater Butte California	Record low minimum temperature (provisional)	5.0 C (41.0 F)	0.6 C (1.1 F)	33	14 of 100 (Routine)
2026-09-13	Stonyford California	Record low minimum temperature (provisional)	4.4 C (39.9 F)	1.7 C (3.1 F)	20	14 of 100 (Routine)
2026-09-13	Brer Rabbit Oregon	Record low maximum temperature (provisional)	8.3 C (46.9 F)	3.4 C (6.1 F)	21	14 of 100 (Routine)
2026-09-13	Lava Butte Oregon	Record low maximum temperature (provisional)	13.9 C (57.0 F)	1.7 C (3.1 F)	29	14 of 100 (Routine)
2026-09-13	Canyon Creek Washington	Record low maximum temperature (provisional)	10.0 C (50.0 F)	1.7 C (3.1 F)	29	14 of 100 (Routine)
2026-09-13	Aneroid Lake #2	Record low maximum temperature (provisional)	6.3 C (43.3 F)	0.2 C (0.4 F)	33	14 of 100 (Routine)
2026-09-13	Fish Creek	Record low maximum temperature (provisional)	9.0 C (48.2 F)	0.3 C (0.5 F)	33	14 of 100 (Routine)
2026-09-13	Grouse Camp	Record low maximum temperature (provisional)	6.5 C (43.7 F)	0.5 C (0.9 F)	33	14 of 100 (Routine)
2026-09-13	Trough	Record low maximum temperature (provisional)	5.4 C (41.7 F)	0.6 C (1.1 F)	33	14 of 100 (Routine)
2026-09-13	Summer Rim	Record low maximum temperature (provisional)	7.7 C (45.9 F)	2.8 C (5.0 F)	21	14 of 100 (Routine)
2026-09-13	Dismal Swamp	Record low maximum temperature (provisional)	8.9 C (48.0 F)	1.8 C (3.2 F)	29	14 of 100 (Routine)
2026-09-13	Evans Creek Oregon	Record low maximum temperature (provisional)	13.9 C (57.0 F)	1.7 C (3.1 F)	29	13 of 100 (Routine)
2026-09-13	Metoluis Arm Oregon	Record low maximum temperature (provisional)	12.8 C (55.0 F)	2.8 C (5.0 F)	21	13 of 100 (Routine)
2026-09-13	North Pole Ridge Oregon	Record low maximum temperature (provisional)	12.8 C (55.0 F)	0.5 C (0.9 F)	33	13 of 100 (Routine)
2026-09-13	Touchet	Record low maximum temperature (provisional)	6.5 C (43.7 F)	0.1 C (0.2 F)	33	13 of 100 (Routine)
2026-09-13	Madison Butte	Record low maximum temperature (provisional)	8.6 C (47.5 F)	2.4 C (4.3 F)	21	13 of 100 (Routine)
2026-09-13	Cougar Mountain	Record low maximum temperature (provisional)	8.5 C (47.3 F)	0.2 C (0.4 F)	33	13 of 100 (Routine)
2026-09-13	Spencer Meadow	Record low maximum temperature (provisional)	8.5 C (47.3 F)	0.9 C (1.6 F)	29	13 of 100 (Routine)
2026-09-13	Greenpoint	Record low maximum temperature (provisional)	9.1 C (48.4 F)	2.6 C (4.7 F)	21	13 of 100 (Routine)
2026-09-13	Cold Springs Camp	Record low maximum temperature (provisional)	7.5 C (45.5 F)	1.0 C (1.8 F)	29	13 of 100 (Routine)
2026-09-13	Barrel Springs Nevada	Record low maximum temperature (provisional)	14.4 C (57.9 F)	0.6 C (1.1 F)	29	12 of 100 (Routine)
2026-09-13	Crow Flat Oregon	Record low maximum temperature (provisional)	11.1 C (52.0 F)	1.7 C (3.1 F)	21	12 of 100 (Routine)
2026-09-13	Rock Creek Oregon	Record low maximum temperature (provisional)	12.2 C (54.0 F)	1.7 C (3.1 F)	21	12 of 100 (Routine)
2026-09-13	Slide Mountain Oregon	Record low maximum temperature (provisional)	9.4 C (48.9 F)	1.7 C (3.1 F)	21	12 of 100 (Routine)
2026-09-13	Taylor Butte	Record low maximum temperature (provisional)	13.1 C (55.6 F)	1.1 C (2.0 F)	29	12 of 100 (Routine)
2026-09-13	Sevenmile Marsh	Record low maximum temperature (provisional)	7.3 C (45.1 F)	0.6 C (1.1 F)	29	12 of 100 (Routine)
2026-09-13	Juniper Creek California	Record low maximum temperature (provisional)	17.8 C (64.0 F)	0.5 C (0.9 F)	29	11 of 100 (Routine)
2026-09-13	Black Rock Oregon	Record low maximum temperature (provisional)	10.6 C (51.1 F)	1.1 C (2.0 F)	21	11 of 100 (Routine)
2026-09-13	Fall Mountain Oregon	Record low maximum temperature (provisional)	9.4 C (48.9 F)	1.2 C (2.2 F)	21	11 of 100 (Routine)
2026-09-13	Mutton Mountain Oregon	Record low maximum temperature (provisional)	11.7 C (53.1 F)	1.6 C (2.9 F)	21	11 of 100 (Routine)
2026-09-13	Salt Creek-Prinville Oregon	Record low maximum temperature (provisional)	13.9 C (57.0 F)	1.1 C (2.0 F)	21	11 of 100 (Routine)
2026-09-13	Beaver Reservoir	Record low maximum temperature (provisional)	8.2 C (46.8 F)	1.0 C (1.8 F)	21	11 of 100 (Routine)
2026-09-13	Wolf Creek	Record low maximum temperature (provisional)	7.6 C (45.7 F)	1.8 C (3.2 F)	21	11 of 100 (Routine)
2026-09-13	Ochoco Meadows	Record low maximum temperature (provisional)	8.6 C (47.5 F)	1.7 C (3.1 F)	21	11 of 100 (Routine)
2026-09-13	Quartz Mountain	Record low maximum temperature (provisional)	12.0 C (53.6 F)	1.1 C (2.0 F)	21	11 of 100 (Routine)
2026-09-13	Lost Horse	Record low maximum temperature (provisional)	6.2 C (43.2 F)	1.5 C (2.7 F)	21	11 of 100 (Routine)
2026-09-13	Marion Forks	Record low maximum temperature (provisional)	11.0 C (51.8 F)	0.9 C (1.6 F)	21	11 of 100 (Routine)
2026-09-13	Santiam Jct.	Record low maximum temperature (provisional)	9.1 C (48.4 F)	1.0 C (1.8 F)	21	11 of 100 (Routine)
2026-09-13	Hogg Pass	Record low maximum temperature (provisional)	6.4 C (43.5 F)	0.8 C (1.4 F)	21	11 of 100 (Routine)
2026-09-13	Silver Creek	Record low maximum temperature (provisional)	11.6 C (52.9 F)	1.3 C (2.3 F)	21	11 of 100 (Routine)
2026-09-13	North Fork	Record low maximum temperature (provisional)	9.2 C (48.6 F)	0.3 C (0.5 F)	29	11 of 100 (Routine)
2026-09-13	Jump Off Joe	Record low maximum temperature (provisional)	9.6 C (49.3 F)	1.1 C (2.0 F)	21	11 of 100 (Routine)
2026-09-13	Sims California	Record low minimum temperature (provisional)	8.3 C (46.9 F)	0.6 C (1.1 F)	20	10 of 100 (Routine)
2026-09-13	Antelope Oregon	Record low minimum temperature (provisional)	1.1 C (34.0 F)	0.6 C (1.1 F)	20	10 of 100 (Routine)
2026-09-13	Bald Mountain Oregon	Record low maximum temperature (provisional)	11.7 C (53.1 F)	1.1 C (2.0 F)	21	10 of 100 (Routine)
2026-09-13	Browns Well Oregon	Record low maximum temperature (provisional)	14.4 C (57.9 F)	0.6 C (1.1 F)	21	10 of 100 (Routine)
2026-09-13	Crane Prairie Oregon	Record low maximum temperature (provisional)	10.6 C (51.1 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-13	Fort Rock Oregon	Record low maximum temperature (provisional)	13.3 C (55.9 F)	0.6 C (1.1 F)	21	10 of 100 (Routine)
2026-09-13	Foster Flat Oregon	Record low maximum temperature (provisional)	15.0 C (59.0 F)	1.1 C (2.0 F)	21	10 of 100 (Routine)
2026-09-13	Mt. Wilson Oregon	Record low maximum temperature (provisional)	10.0 C (50.0 F)	1.1 C (2.0 F)	21	10 of 100 (Routine)
2026-09-13	Sugarloaf Oregon	Record low maximum temperature (provisional)	7.8 C (46.0 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-13	Potato Hill	Record low maximum temperature (provisional)	6.5 C (43.7 F)	0.9 C (1.6 F)	21	10 of 100 (Routine)
2026-09-13	Red Hill	Record low maximum temperature (provisional)	6.8 C (44.2 F)	0.7 C (1.3 F)	21	10 of 100 (Routine)
2026-09-13	Peavine Ridge	Record low maximum temperature (provisional)	9.3 C (48.7 F)	0.9 C (1.6 F)	21	10 of 100 (Routine)
2026-09-13	Blazed Alder	Record low maximum temperature (provisional)	8.4 C (47.1 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-13	Mud Ridge	Record low maximum temperature (provisional)	7.8 C (46.0 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-13	Chemult Alternate	Record low maximum temperature (provisional)	12.1 C (53.8 F)	0.7 C (1.3 F)	21	10 of 100 (Routine)
2026-09-13	Cascade Summit	Record low maximum temperature (provisional)	7.1 C (44.8 F)	0.7 C (1.3 F)	21	10 of 100 (Routine)
2026-09-13	Salt Creek Falls	Record low maximum temperature (provisional)	8.2 C (46.8 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-13	Pebble Oregon	Record low maximum temperature (provisional)	10.0 C (50.0 F)	0.6 C (1.1 F)	21	9 of 100 (Routine)
2026-09-13	Gold Center	Record low maximum temperature (provisional)	9.2 C (48.6 F)	0.2 C (0.4 F)	21	9 of 100 (Routine)
2026-09-13	Tipton	Record low maximum temperature (provisional)	11.7 C (53.1 F)	0.4 C (0.7 F)	21	9 of 100 (Routine)
2026-09-13	Starr Ridge	Record low maximum temperature (provisional)	12.4 C (54.3 F)	0.4 C (0.7 F)	21	9 of 100 (Routine)
2026-09-13	Mount Gardner	Record low maximum temperature (provisional)	9.5 C (49.1 F)	0.1 C (0.2 F)	21	9 of 100 (Routine)
2026-09-13	Alpine Meadows	Record low maximum temperature (provisional)	8.4 C (47.1 F)	0.5 C (0.9 F)	21	9 of 100 (Routine)
2026-09-13	Meadows Pass	Record low maximum temperature (provisional)	9.0 C (48.2 F)	0.2 C (0.4 F)	21	9 of 100 (Routine)
2026-09-13	Green Lake	Record low maximum temperature (provisional)	5.1 C (41.2 F)	0.4 C (0.7 F)	21	9 of 100 (Routine)
2026-09-13	Bumping Ridge	Record low maximum temperature (provisional)	6.6 C (43.9 F)	0.1 C (0.2 F)	21	9 of 100 (Routine)
2026-09-13	Fourmile Lake	Record low maximum temperature (provisional)	7.3 C (45.1 F)	0.2 C (0.4 F)	21	9 of 100 (Routine)
2026-09-13	Bigelow Camp	Record low maximum temperature (provisional)	12.0 C (53.6 F)	0.6 C (1.1 F)	21	9 of 100 (Routine)
2026-09-13	Seattle Boeing Fld	Record low maximum temperature (tie) (provisional)	16.7 C (62.1 F)	tie	71	7 of 100 (Routine)
2026-09-13	County Line California	Record low minimum temperature (provisional)	10.0 C (50.0 F)	0.6 C (1.1 F)	9	6 of 100 (Routine)
2026-09-13	Winchester	Record low maximum temperature (provisional)	18.9 C (66.0 F)	0.5 C (0.9 F)	5	5 of 100 (Routine)
2026-09-13	Detroit Dam	Record low maximum temperature (tie) (provisional)	15.0 C (59.0 F)	tie	40	4 of 100 (Routine)
2026-09-13	Boulder Creek Oregon	Record low maximum temperature (tie) (provisional)	9.4 C (48.9 F)	tie	40	4 of 100 (Routine)
2026-09-13	Horse Creek Oregon	Record low maximum temperature (tie) (provisional)	10.0 C (50.0 F)	tie	40	4 of 100 (Routine)
2026-09-13	High Ridge	Record low maximum temperature (provisional)	7.8 C (46.0 F)	1.1 C (2.0 F)	1	4 of 100 (Routine)
2026-09-13	Little Meadows	Record low maximum temperature (tie) (provisional)	7.9 C (46.2 F)	tie	40	4 of 100 (Routine)
2026-09-13	Juniper Creek California	Record low minimum temperature (tie) (provisional)	0.6 C (33.1 F)	tie	33	3 of 100 (Routine)
2026-09-13	Round Mountain	Record low minimum temperature (tie) (provisional)	2.8 C (37.0 F)	tie	33	3 of 100 (Routine)
2026-09-13	Moon Hill Oregon	Record low minimum temperature (tie) (provisional)	2.2 C (36.0 F)	tie	32	3 of 100 (Routine)
2026-09-13	P-Hill (Frenchglen) Oregon	Record low maximum temperature (tie) (provisional)	15.0 C (59.0 F)	tie	33	3 of 100 (Routine)
2026-09-13	Devils Garden California	Record low maximum temperature (tie) (provisional)	15.6 C (60.1 F)	tie	29	2 of 100 (Routine)
2026-09-13	Ladder Butte California	Record low minimum temperature (tie) (provisional)	4.4 C (39.9 F)	tie	29	2 of 100 (Routine)
2026-09-13	Antelope Oregon	Record low maximum temperature (tie) (provisional)	8.3 C (46.9 F)	tie	21	2 of 100 (Routine)
2026-09-13	Badger Creek Oregon	Record low maximum temperature (tie) (provisional)	11.7 C (53.1 F)	tie	21	2 of 100 (Routine)
2026-09-13	Bald Mountain Oregon	Record low minimum temperature (tie) (provisional)	3.3 C (37.9 F)	tie	23	2 of 100 (Routine)
2026-09-13	Calimus Oregon	Record low maximum temperature (tie) (provisional)	7.8 C (46.0 F)	tie	21	2 of 100 (Routine)
2026-09-13	Fields Oregon	Record low maximum temperature (tie) (provisional)	11.1 C (52.0 F)	tie	29	2 of 100 (Routine)
2026-09-13	Harl Butte Oregon	Record low maximum temperature (tie) (provisional)	7.8 C (46.0 F)	tie	21	2 of 100 (Routine)
2026-09-13	Hehe 1 Oregon	Record low maximum temperature (tie) (provisional)	15.0 C (59.0 F)	tie	21	2 of 100 (Routine)
2026-09-13	Parker Mountain Oregon	Record low minimum temperature (tie) (provisional)	3.9 C (39.0 F)	tie	21	2 of 100 (Routine)
2026-09-13	Trout Creek Oregon	Record low maximum temperature (tie) (provisional)	12.2 C (54.0 F)	tie	19	2 of 100 (Routine)
2026-09-13	Hager Creek Washington	Record low maximum temperature (tie) (provisional)	8.3 C (46.9 F)	tie	21	2 of 100 (Routine)
2026-09-13	Seattle Sand Pt WFO	Record low maximum temperature (tie) (provisional)	16.7 C (62.1 F)	tie	20	2 of 100 (Routine)
2026-09-13	Collins Baldy California	Record low minimum temperature (tie) (provisional)	3.9 C (39.0 F)	tie	8	1 of 100 (Routine)
2026-09-13	Whitmore California	Record low minimum temperature (tie) (provisional)	8.9 C (48.0 F)	tie	9	1 of 100 (Routine)
2026-09-14	Crater Lake Nps HQ	Record low maximum temperature (provisional)	4.4 C (39.9 F)	0.6 C (1.1 F)	89	36 of 100 (Notable)
2026-09-14	Plain	Record low maximum temperature (provisional)	13.3 C (55.9 F)	0.6 C (1.1 F)	84	35 of 100 (Notable)
2026-09-14	Satus Pass 2 SSW	Record low maximum temperature (provisional)	8.9 C (48.0 F)	5.5 C (9.9 F)	57	31 of 100 (Routine)
2026-09-14	Longmire Rainier Nps	Record low maximum temperature (provisional)	9.4 C (48.9 F)	0.6 C (1.1 F)	45	17 of 100 (Routine)
2026-09-14	Shanghi Summit	Record low maximum temperature (provisional)	9.0 C (48.2 F)	1.1 C (2.0 F)	40	17 of 100 (Routine)
2026-09-14	North Fork Jocko	Record low maximum temperature (provisional)	5.1 C (41.2 F)	0.5 C (0.9 F)	35	13 of 100 (Routine)
2026-09-14	Big Bend	Record low minimum temperature (provisional)	-1.5 C (29.3 F)	0.7 C (1.3 F)	32	13 of 100 (Routine)
2026-09-14	Stonyford California	Record low minimum temperature (provisional)	5.6 C (42.1 F)	1.1 C (2.0 F)	20	12 of 100 (Routine)
2026-09-14	Morey Creek Nevada	Record low minimum temperature (provisional)	4.4 C (39.9 F)	1.2 C (2.2 F)	21	12 of 100 (Routine)
2026-09-14	Stevens Pass	Record low maximum temperature (provisional)	8.4 C (47.1 F)	0.7 C (1.3 F)	29	12 of 100 (Routine)
2026-09-14	Montague Siskiyou AP	Record low minimum temperature (provisional)	2.2 C (36.0 F)	1.1 C (2.0 F)	9	12 of 100 (Routine)
2026-09-14	Lolo Pass	Record low maximum temperature (provisional)	6.1 C (43.0 F)	0.9 C (1.6 F)	21	11 of 100 (Routine)
2026-09-14	Bend 7 NE	Record low maximum temperature (provisional)	15.0 C (59.0 F)	1.1 C (2.0 F)	21	10 of 100 (Routine)
2026-09-14	Fish Hook Idaho	Record low maximum temperature (provisional)	8.9 C (48.0 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-14	Kirwin	Record low minimum temperature (provisional)	-3.8 C (25.2 F)	0.5 C (0.9 F)	20	10 of 100 (Routine)
2026-09-14	Sleeping Woman	Record low maximum temperature (provisional)	5.9 C (42.6 F)	0.7 C (1.3 F)	21	10 of 100 (Routine)
2026-09-14	Hemlock Butte	Record low maximum temperature (provisional)	6.0 C (42.8 F)	0.6 C (1.1 F)	21	10 of 100 (Routine)
2026-09-14	Crater Meadows	Record low maximum temperature (provisional)	4.8 C (40.6 F)	0.1 C (0.2 F)	21	10 of 100 (Routine)
2026-09-14	Jack Creek Upper	Record low minimum temperature (provisional)	-0.8 C (30.6 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-14	Pole Creek R.S.	Record low minimum temperature (provisional)	-1.0 C (30.2 F)	0.1 C (0.2 F)	21	9 of 100 (Routine)
2026-09-14	Buckskin Lower	Record low minimum temperature (provisional)	-2.2 C (28.0 F)	0.2 C (0.4 F)	21	9 of 100 (Routine)
2026-09-14	Markley Cove	Record low minimum temperature (tie) (provisional)	6.1 C (43.0 F)	tie	56	5 of 100 (Routine)
2026-09-14	Detroit Dam	Record low maximum temperature (tie) (provisional)	12.8 C (55.0 F)	tie	45	5 of 100 (Routine)
2026-09-14	Chelan	Record low maximum temperature (tie) (provisional)	14.4 C (57.9 F)	tie	45	5 of 100 (Routine)
2026-09-14	Sage Hen Oregon	Record low minimum temperature (tie) (provisional)	0.0 C (32.0 F)	tie	35	3 of 100 (Routine)
2026-09-14	Lone Mountain	Record low maximum temperature (tie) (provisional)	4.4 C (39.9 F)	tie	32	3 of 100 (Routine)
2026-09-14	Blue Door California	Record low minimum temperature (tie) (provisional)	-1.1 C (30.0 F)	tie	21	2 of 100 (Routine)
2026-09-14	Juniper Creek California	Record low minimum temperature (tie) (provisional)	0.0 C (32.0 F)	tie	21	2 of 100 (Routine)
2026-09-14	Jette Montana	Record low maximum temperature (tie) (provisional)	12.2 C (54.0 F)	tie	20	2 of 100 (Routine)
2026-09-14	Buffalo Creek Nevada	Record low maximum temperature (tie) (provisional)	23.9 C (75.0 F)	tie	21	2 of 100 (Routine)
2026-09-14	Dead Camel Mountain Nevada	Record low minimum temperature (tie) (provisional)	3.9 C (39.0 F)	tie	20	2 of 100 (Routine)
2026-09-14	Basque Hills Oregon	Record low minimum temperature (tie) (provisional)	3.3 C (37.9 F)	tie	21	2 of 100 (Routine)
2026-09-14	Bisson Creek	Record low maximum temperature (tie) (provisional)	6.9 C (44.4 F)	tie	21	2 of 100 (Routine)
2026-09-14	Fremont	Record low minimum temperature (tie) (provisional)	10.6 C (51.1 F)	tie	8	1 of 100 (Routine)
2026-09-14	Lubrecht Flume	Record low maximum temperature (tie) (provisional)	9.2 C (48.6 F)	tie	8	1 of 100 (Routine)
2026-09-15	Picabo	Record low maximum temperature (provisional)	10.0 C (50.0 F)	3.3 C (5.9 F)	44	25 of 100 (Routine)
2026-09-15	Gibbs Rch - Jarbidge 24SE	Record low minimum temperature (provisional)	-5.6 C (21.9 F)	0.6 C (1.1 F)	55	24 of 100 (Routine)
2026-09-15	Wolverine	Record low minimum temperature (provisional)	-2.8 C (27.0 F)	2.2 C (4.0 F)	40	21 of 100 (Routine)
2026-09-15	Calvert Creek	Record low minimum temperature (provisional)	-4.6 C (23.7 F)	2.1 C (3.8 F)	35	19 of 100 (Routine)
2026-09-15	Lewis Lake Divide	Record low minimum temperature (provisional)	-4.0 C (24.8 F)	1.6 C (2.9 F)	35	18 of 100 (Routine)
2026-09-15	Beaver Creek	Record low minimum temperature (provisional)	-3.3 C (26.1 F)	0.7 C (1.3 F)	37	17 of 100 (Routine)
2026-09-15	Little Warm	Record low minimum temperature (provisional)	-6.3 C (20.7 F)	1.3 C (2.3 F)	35	16 of 100 (Routine)
2026-09-15	Gas Caves Idaho	Record low minimum temperature (provisional)	-3.3 C (26.1 F)	1.1 C (2.0 F)	35	15 of 100 (Routine)
2026-09-15	Brenner Montana	Record low minimum temperature (provisional)	-1.7 C (28.9 F)	0.6 C (1.1 F)	35	15 of 100 (Routine)
2026-09-15	Mullan	Record low maximum temperature (provisional)	10.6 C (51.1 F)	1.1 C (2.0 F)	29	14 of 100 (Routine)
2026-09-15	Sylvan Lake	Record low minimum temperature (provisional)	-4.2 C (24.4 F)	1.0 C (1.8 F)	27	14 of 100 (Routine)
2026-09-15	Lolo Pass	Record low minimum temperature (provisional)	-1.3 C (29.7 F)	0.1 C (0.2 F)	35	14 of 100 (Routine)
2026-09-15	Placer Basin	Record low minimum temperature (provisional)	-4.2 C (24.4 F)	0.2 C (0.4 F)	35	13 of 100 (Routine)
2026-09-15	Gros Ventre Summit	Record low minimum temperature (provisional)	-6.8 C (19.8 F)	1.2 C (2.2 F)	21	13 of 100 (Routine)
2026-09-15	Red Rock Montana	Record low minimum temperature (provisional)	-2.8 C (27.0 F)	0.6 C (1.1 F)	24	12 of 100 (Routine)
2026-09-15	Montague Siskiyou AP	Record low minimum temperature (provisional)	2.2 C (36.0 F)	1.1 C (2.0 F)	8	12 of 100 (Routine)
2026-09-15	Camas Creek Divide	Record low minimum temperature (provisional)	-1.1 C (30.0 F)	0.8 C (1.4 F)	20	11 of 100 (Routine)
2026-09-15	Bull Spring Idaho	Record low minimum temperature (provisional)	-4.4 C (24.1 F)	0.5 C (0.9 F)	21	10 of 100 (Routine)
2026-09-15	Chocolate Gulch	Record low minimum temperature (provisional)	-1.8 C (28.8 F)	0.5 C (0.9 F)	23	10 of 100 (Routine)
2026-09-15	Klamath Falls Intl AP	Record low minimum temperature (provisional)	-0.6 C (30.9 F)	0.1 C (0.2 F)	9	8 of 100 (Routine)
2026-09-15	Combination	Record low minimum temperature (provisional)	-1.5 C (29.3 F)	0.3 C (0.5 F)	12	6 of 100 (Routine)
2026-09-15	Markley Cove	Record low minimum temperature (tie) (provisional)	7.2 C (45.0 F)	tie	56	5 of 100 (Routine)
2026-09-15	Frohner Meadow	Record low minimum temperature (provisional)	-2.4 C (27.7 F)	0.3 C (0.5 F)	8	5 of 100 (Routine)
2026-09-15	Portland WFO	Record low minimum temperature (provisional)	7.8 C (46.0 F)	0.5 C (0.9 F)	0	4 of 100 (Routine)
2026-09-15	Raft River Idaho	Record low minimum temperature (tie) (provisional)	-2.2 C (28.0 F)	tie	35	3 of 100 (Routine)
2026-09-15	Triangle Idaho	Record low minimum temperature (tie) (provisional)	-2.2 C (28.0 F)	tie	35	3 of 100 (Routine)
2026-09-15	Twin Buttes Idaho	Record low minimum temperature (tie) (provisional)	5.0 C (41.0 F)	tie	35	3 of 100 (Routine)
2026-09-15	Browns Well Oregon	Record low minimum temperature (tie) (provisional)	-1.7 C (28.9 F)	tie	35	3 of 100 (Routine)
2026-09-15	Northeast Entrance	Record low minimum temperature (tie) (provisional)	-3.3 C (26.1 F)	tie	37	3 of 100 (Routine)
2026-09-15	Jackpot	Record low minimum temperature (tie) (provisional)	-1.7 C (28.9 F)	tie	17	2 of 100 (Routine)
2026-09-15	Juniper Creek California	Record low minimum temperature (tie) (provisional)	1.7 C (35.1 F)	tie	19	2 of 100 (Routine)
2026-09-15	Rock Lake Idaho	Record low minimum temperature (tie) (provisional)	1.7 C (35.1 F)	tie	21	2 of 100 (Routine)
2026-09-15	Burro Hill Wyoming	Record low minimum temperature (tie) (provisional)	-1.7 C (28.9 F)	tie	23	2 of 100 (Routine)
2026-09-15	Crandall Wyoming	Record low minimum temperature (tie) (provisional)	-1.7 C (28.9 F)	tie	23	2 of 100 (Routine)
2026-09-15	Warm Springs	Record low minimum temperature (tie) (provisional)	-1.9 C (28.6 F)	tie	8	1 of 100 (Routine)
2026-09-16	Sonora	Record low minimum temperature (provisional)	1.1 C (34.0 F)	0.6 C (1.1 F)	105	51 of 100 (Notable)
2026-09-16	Richmond	Record low maximum temperature (tie) (provisional)	17.8 C (64.0 F)	tie	65	6 of 100 (Routine)
2026-09-16	Markley Cove	Record low minimum temperature (tie) (provisional)	8.3 C (46.9 F)	tie	20	2 of 100 (Routine)
2026-09-16	Briones California	Record low maximum temperature (tie) (provisional)	17.8 C (64.0 F)	tie	24	2 of 100 (Routine)
2026-09-16	Knoxville Creek California	Record low minimum temperature (tie) (provisional)	7.2 C (45.0 F)	tie	19	2 of 100 (Routine)
2026-09-17	Markley Cove	Record low minimum temperature (provisional)	5.6 C (42.1 F)	1.6 C (2.9 F)	1	11 of 100 (Routine)
2026-09-17	Portland WFO	Record low minimum temperature (provisional)	8.3 C (46.9 F)	0.6 C (1.1 F)	8	7 of 100 (Routine)
2026-09-17	Sonora	Record low minimum temperature (tie) (provisional)	1.1 C (34.0 F)	tie	0	5 of 100 (Routine)
2026-09-17	Stonyford California	Record low maximum temperature (tie) (provisional)	24.4 C (75.9 F)	tie	1	0 of 100 (Routine)
2026-09-18	Markley Cove	Record low minimum temperature (provisional)	5.6 C (42.1 F)	1.1 C (2.0 F)	40	21 of 100 (Routine)
2026-09-18	Sonora	Record low minimum temperature (provisional)	0.6 C (33.1 F)	0.5 C (0.9 F)	0	21 of 100 (Routine)
2026-09-18	Friant Government Camp	Record low minimum temperature (tie) (provisional)	5.0 C (41.0 F)	tie	48	5 of 100 (Routine)
2026-09-18	Stampede California	Record low minimum temperature (tie) (provisional)	-0.6 C (30.9 F)	tie	20	2 of 100 (Routine)
2026-09-18	Stonyford California	Record low minimum temperature (tie) (provisional)	6.7 C (44.1 F)	tie	28	2 of 100 (Routine)
2026-09-18	Independence Creek	Record low minimum temperature (tie) (provisional)	-3.4 C (25.9 F)	tie	20	2 of 100 (Routine)
2026-09-18	Stickney Mill	Record low maximum temperature (tie) (provisional)	8.9 C (48.0 F)	tie	1	0 of 100 (Routine)
2026-09-19	Sonora	Record low minimum temperature (provisional)	2.2 C (36.0 F)	0.6 C (1.1 F)	60	29 of 100 (Routine)
2026-09-20	Sonora	Record low minimum temperature (provisional)	2.8 C (37.0 F)	0.5 C (0.9 F)	56	27 of 100 (Routine)
2026-09-20	Monterey	Record low maximum temperature (provisional)	16.1 C (61.0 F)	0.6 C (1.1 F)	24	16 of 100 (Routine)
2026-09-20	Oakland Museum	Record low maximum temperature (provisional)	17.8 C (64.0 F)	1.1 C (2.0 F)	24	14 of 100 (Routine)
2026-09-20	Monterey Peninsul AP	Record low maximum temperature (provisional)	16.7 C (62.1 F)	0.5 C (0.9 F)	24	13 of 100 (Routine)
2026-09-20	San Jose	Record low maximum temperature (tie) (provisional)	20.0 C (68.0 F)	tie	132	10 of 100 (Routine)
2026-09-20	Briones California	Record low maximum temperature (provisional)	19.4 C (66.9 F)	1.2 C (2.2 F)	17	10 of 100 (Routine)
2026-09-20	Corralitos California	Record low maximum temperature (provisional)	18.9 C (66.0 F)	0.5 C (0.9 F)	20	9 of 100 (Routine)
2026-09-20	Oakland Intl AP	Record low maximum temperature (tie) (provisional)	17.8 C (64.0 F)	tie	72	7 of 100 (Routine)
2026-09-20	Oakland North California	Record low maximum temperature (provisional)	16.7 C (62.1 F)	1.1 C (2.0 F)	8	6 of 100 (Routine)
2026-09-20	Redwood City	Record low maximum temperature (tie) (provisional)	20.6 C (69.1 F)	tie	16	3 of 100 (Routine)
2026-09-20	Oakland South California	Record low maximum temperature (tie) (provisional)	17.2 C (63.0 F)	tie	8	1 of 100 (Routine)
2026-09-21	Markley Cove	Record low minimum temperature (provisional)	6.7 C (44.1 F)	0.5 C (0.9 F)	48	21 of 100 (Routine)
2026-09-21	Oakland Museum	Record low maximum temperature (provisional)	17.8 C (64.0 F)	0.5 C (0.9 F)	37	17 of 100 (Routine)
2026-09-21	Sonora	Record low minimum temperature (provisional)	2.8 C (37.0 F)	0.5 C (0.9 F)	21	17 of 100 (Routine)
2026-09-21	Oakland North California	Record low maximum temperature (provisional)	14.4 C (57.9 F)	1.2 C (2.2 F)	12	8 of 100 (Routine)
2026-09-22	Richmond	Record low maximum temperature (tie) (provisional)	16.7 C (62.1 F)	tie	75	7 of 100 (Routine)
2026-09-22	Oakland Museum	Record low maximum temperature (tie) (provisional)	18.3 C (64.9 F)	tie	52	5 of 100 (Routine)
2026-09-22	Sonora	Record low minimum temperature (tie) (provisional)	2.8 C (37.0 F)	tie	9	3 of 100 (Routine)
2026-09-23	Friant Government Camp	Record low minimum temperature (provisional)	4.4 C (39.9 F)	1.2 C (2.2 F)	80	35 of 100 (Notable)
2026-09-23	Picabo	Record low maximum temperature (tie) (provisional)	10.0 C (50.0 F)	tie	8	2 of 100 (Routine)

Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (C)	Years the old record stood
0.6	105
0.6	89
1.2	80
0.6	84
2.8	71
5.5	57
0.6	60
3.9	45
0.5	56
1.7	56
0.6	60
3.3	44
0.6	56
2.2	48
0.6	55
5.0	21
1.7	45
1.1	40
0.5	48
0.5	0
2.2	40
1.1	40
2.2	33
2.1	35
3.3	33
1.4	40
1.6	35
0.5	37
0.5	21
2.2	20
0.6	45
2.2	36
1.9	33
0.9	40
0.8	40
1.0	40
0.7	40
0.7	37
1.1	40
0.8	40
0.6	24
0.5	40
1.7	33
0.3	40
0.3	40
0.1	40
0.6	40
0.2	40
1.3	35
1.9	33
1.5	33
1.7	21
1.1	35
0.6	35
1.1	33
1.6	33
0.6	33
1.1	33
1.3	33
1.6	33
1.1	24
1.1	29
0.6	36
0.6	33
1.7	20
3.4	21
1.7	29
1.1	33
1.7	29
1.0	27
0.1	35
0.2	33
0.3	33
0.5	33
0.6	33
2.8	21
1.8	29
0.1	33
1.7	29
2.8	21
0.5	33
1.9	21
0.2	35
1.2	21
0.5	35
0.7	32
0.1	33
2.4	21
0.2	33
0.9	29
2.6	21
1.0	29
0.5	24
1.1	20
0.6	24
0.6	29
1.2	21
1.7	21
1.7	21
1.7	21
0.7	29
1.1	29
0.6	29
1.1	9
1.1	8
1.6	1
0.5	29
1.1	21
1.2	21
1.6	21
1.1	21
0.9	21
0.8	20
1.0	21
1.8	21
1.7	21
1.1	21
1.5	21
0.9	21
1.0	21
0.8	21
1.3	21
0.3	29
1.1	21
1.1	21
1.2	17
0.6	20
0.5	21
0.5	21
0.6	23
0.6	20
1.1	21
0.6	21
0.5	21
0.6	21
1.1	21
1.1	21
0.5	21
0.5	20
0.1	20
0.7	21
0.5	23
0.6	21
0.1	21
0.5	21
0.9	21
0.7	21
0.9	21
0.5	21
0.5	21
0.7	21
0.7	21
0.5	21
0.5	20
0.6	21
0.2	21
0.1	21
0.2	21
0.2	21
0.4	21
0.4	21
0.1	21
0.5	21
0.2	21
0.4	21
0.1	21
0.2	21
0.6	21
1.2	12
0.1	9
0.6	8
1.2	8
0.6	9
1.1	8
0.3	12
0.5	5
1.1	5
1.1	1
0.3	8
0.5	0
0.6	3
1.1	1
0.5	1
0.5	1

Margin (C)	Years the old record stood
0.6	105
0.6	89
1.2	80
0.6	84
2.8	71
5.5	57
0.6	60
3.9	45
0.5	56
1.7	56
0.6	60
3.3	44
0.6	56
2.2	48
0.6	55
5.0	21
1.7	45
1.1	40
0.5	48
0.5	0
2.2	40
1.1	40
2.2	33
2.1	35
3.3	33
1.4	40
1.6	35
0.5	37
0.5	21
2.2	20
0.6	45
2.2	36
1.9	33
0.9	40
0.8	40
1.0	40
0.7	40
0.7	37
1.1	40
0.8	40
0.6	24
0.5	40
1.7	33
0.3	40
0.3	40
0.1	40
0.6	40
0.2	40
1.3	35
1.9	33
1.5	33
1.7	21
1.1	35
0.6	35
1.1	33
1.6	33
0.6	33
1.1	33
1.3	33
1.6	33
1.1	24
1.1	29
0.6	36
0.6	33
1.7	20
3.4	21
1.7	29
1.1	33
1.7	29
1.0	27
0.1	35
0.2	33
0.3	33
0.5	33
0.6	33
2.8	21
1.8	29
0.1	33
1.7	29
2.8	21
0.5	33
1.9	21
0.2	35
1.2	21
0.5	35
0.7	32
0.1	33
2.4	21
0.2	33
0.9	29
2.6	21
1.0	29
0.5	24
1.1	20
0.6	24
0.6	29
1.2	21
1.7	21
1.7	21
1.7	21
0.7	29
1.1	29
0.6	29
1.1	9
1.1	8
1.6	1
0.5	29
1.1	21
1.2	21
1.6	21
1.1	21
0.9	21
0.8	20
1.0	21
1.8	21
1.7	21
1.1	21
1.5	21
0.9	21
1.0	21
0.8	21
1.3	21
0.3	29
1.1	21
1.1	21
1.2	17
0.6	20
0.5	21
0.5	21
0.6	23
0.6	20
1.1	21
0.6	21
0.5	21
0.6	21
1.1	21
1.1	21
0.5	21
0.5	20
0.1	20
0.7	21
0.5	23
0.6	21
0.1	21
0.5	21
0.9	21
0.7	21
0.9	21
0.5	21
0.5	21
0.7	21
0.7	21
0.5	21
0.5	20
0.6	21
0.2	21
0.1	21
0.2	21
0.2	21
0.4	21
0.4	21
0.1	21
0.5	21
0.2	21
0.4	21
0.1	21
0.2	21
0.6	21
1.2	12
0.1	9
0.6	8
1.2	8
0.6	9
1.1	8
0.3	12
0.5	5
1.1	5
1.1	1
0.3	8
0.5	0
0.6	3
1.1	1
0.5	1
0.5	1