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Built 2026-10-19 (19 October 2026)

Cold outbreak in United States, 15 to 22 May 2023

Cold outbreak in United States, 15 to 22 May 2023: 142 records at 109 stations, peak on 18 May 2023. Closed.

Data as of . Last revised (2026-10-18).

Key Facts

  • Cold outbreak in United States, 15 to 22 May 2023 set or tied 142 station records at 109 stations.
  • It ran from 15 May 2023 to 22 May 2023 (8 days) and its peak day was 18 May 2023.
  • Status: closed.
  • Storrs set a daily record low minimum temperature of -0.6 C (30.9 F) on 18 May 2023.
  • The busiest day was 18 May 2023 with 110 records.
  • The oldest broken record in the ranked list had stood for 131 years.

Footprint

15 to 22 May 2023
Footprint of Cold outbreak in United States, 15 to 22 May 2023 The area covered by Cold outbreak in United States, 15 to 22 May 2023 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Cold outbreak in United States, 15 to 22 May 2023 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Cold outbreak in United States, 15 to 22 May 2023: stations that set records in the event
StationTypeValueDate
StorrsRecord low minimum temperature-0.6 C (30.9 F)2023-05-18
Blue Hill CoopRecord low minimum temperature1.1 C (34.0 F)2023-05-18
WaverlyRecord low minimum temperature-2.8 C (27.0 F)2023-05-18
Selinsgrove 2 SRecord low minimum temperature0.6 C (33.1 F)2023-05-20
CooperstownRecord low maximum temperature9.4 C (48.9 F)2023-05-17
AngelicaRecord low minimum temperature-5.0 C (23.0 F)2023-05-18
AuburnRecord low maximum temperature8.9 C (48.0 F)2023-05-18
BrockportRecord low minimum temperature-0.6 C (30.9 F)2023-05-18
FremontRecord low minimum temperature0.6 C (33.1 F)2023-05-19
W PtRecord low minimum temperature3.9 C (39.0 F)2023-05-22
KeeneRecord low maximum temperature10.6 C (51.1 F)2023-05-18
AvonRecord low minimum temperature-0.6 C (30.9 F)2023-05-19
BerlinRecord low minimum temperature-3.3 C (26.1 F)2023-05-18
Wellsboro 4 SWRecord low minimum temperature-3.9 C (25.0 F)2023-05-18
PulaskiRecord low maximum temperature7.8 C (46.0 F)2023-05-18
WoodstockRecord low maximum temperature9.4 C (48.9 F)2023-05-18
RutlandRecord low minimum temperature-3.9 C (25.0 F)2023-05-19
Greenville Muni APRecord low maximum temperature5.6 C (42.1 F)2023-05-17
Harbor Beach 1 SSERecord low maximum temperature5.6 C (42.1 F)2023-05-18

Records per Day

Peak day 110
Records per day during Cold outbreak in United States, 15 to 22 May 2023 Records set or tied each day from 15 May 2023 to 22 May 2023. The most in one day was 110 on 18 May 2023. 0 30 60 90 120 05-1505-1705-1805-1905-2005-22
Records set or tied each day from 15 May 2023 to 22 May 2023. The most in one day was 110 on 18 May 2023.
Records per day during Cold outbreak in United States, 15 to 22 May 2023
DateRecords
2023-05-151
2023-05-1711
2023-05-18110
2023-05-1918
2023-05-201
2023-05-221

Top Records by Margin

Margin over the record replaced
Top records of Cold outbreak in United States, 15 to 22 May 2023 ranked by margin
Pulaski, 05-185.0 C (9.0 F)
Storrs, 05-182.3 C (4.1 F)
Waverly, 05-181.7 C (3.1 F)
Wellsboro 4 SW, 05-181.7 C (3.1 F)
Greenville Muni AP, 05-171.6 C (2.9 F)
Woodstock, 05-181.2 C (2.2 F)
Blue Hill Coop, 05-181.1 C (2.0 F)
Selinsgrove 2 S, 05-201.1 C (2.0 F)
Auburn, 05-181.1 C (2.0 F)
Keene, 05-181.1 C (2.0 F)
Rutland, 05-191.1 C (2.0 F)
Harbor Beach 1 SSE, 05-181.1 C (2.0 F)
Angelica, 05-180.6 C (1.1 F)
Brockport, 05-180.6 C (1.1 F)
Cooperstown, 05-170.6 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

Margin against age of the broken record in Cold outbreak in United States, 15 to 22 May 2023 142 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. 0 38 75 113 150 0.01.32.53.85.0 Margin (C) Years the old record stood
142 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, 15 to 22 May 2023
Margin (C)Years the old record stood
2.3131
1.1131
1.7112
1.1108
0.6100
1.1106
0.6108
0.6108
0.5116
0.5108
0.5106
0.697
1.192
0.592
1.788
5.074
1.178
1.276
1.674
1.178
0.578
0.578
0.581
1.166
1.170
0.574
4.441
1.268
1.654
0.564
0.568
0.464
3.940
0.664
1.654
2.349
1.154
2.341
2.256
2.240
1.740
1.756
0.649
1.740
2.149
2.248
2.234
1.740
2.849
0.640
0.540
0.540
0.540
0.531
1.640
2.140
2.741
2.740
0.553
2.241
1.141
3.436
1.740
1.140
1.149
1.141
2.236
1.040
1.720
1.640
1.241
0.540
1.137
1.741
1.220
0.640
0.641
1.640
1.740
1.136
1.740
1.140
3.920
2.816
0.540
0.541
0.641
1.741
3.920
1.120
0.540
1.141
1.620
0.636
2.820
1.216
0.540
2.825
1.220
2.213
1.120
1.720
0.520
1.620
0.613
2.320
0.513
3.316
1.617
2.816
3.313
2.225
0.612
1.720
2.212
2.220
1.716
2.816
0.613
1.728
4.46
0.420
0.620
1.113
1.720
3.38
1.713
1.120
0.420
1.716
2.213
1.220
0.620
0.620
1.716
3.40
0.520
2.216
0.58
0.613
1.68
0.62

Compared With Other Events

Station records per event
Station records in Cold outbreak in United States, 15 to 22 May 2023 compared with similar events
Cold outbreak in United States and Mexico, 6 February to 5 March 202112,118 records
Cold outbreak in United States and Mexico, 13 October to 5 November 20209,841 records
Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 20188,263 records
Cold outbreak in United States and Mexico, 3 to 23 January 20247,675 records
Cold outbreak in United States, 15 January to 10 February 20265,568 records
Cold outbreak in United States, 15 to 22 May 2023 (this event)142 records

Every Record Set

20 of 142
Every record set or tied during Cold outbreak in United States, 15 to 22 May 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-05-17CooperstownRecord low maximum temperature9.4 C (48.9 F)0.6 C (1.1 F)10841 of 100 (Notable)
2023-05-17Greenville Muni APRecord low maximum temperature5.6 C (42.1 F)1.6 C (2.9 F)7434 of 100 (Routine)
2023-05-18StorrsRecord low minimum temperature-0.6 C (30.9 F)2.3 C (4.1 F)13145 of 100 (Notable)
2023-05-18Blue Hill CoopRecord low minimum temperature1.1 C (34.0 F)1.1 C (2.0 F)13143 of 100 (Notable)
2023-05-18WaverlyRecord low minimum temperature-2.8 C (27.0 F)1.7 C (3.1 F)11243 of 100 (Notable)
2023-05-18AngelicaRecord low minimum temperature-5.0 C (23.0 F)0.6 C (1.1 F)10041 of 100 (Notable)
2023-05-18AuburnRecord low maximum temperature8.9 C (48.0 F)1.1 C (2.0 F)10641 of 100 (Notable)
2023-05-18BrockportRecord low minimum temperature-0.6 C (30.9 F)0.6 C (1.1 F)10841 of 100 (Notable)
2023-05-18KeeneRecord low maximum temperature10.6 C (51.1 F)0.5 C (0.9 F)10640 of 100 (Notable)
2023-05-18KeeneRecord low minimum temperature-4.4 C (24.1 F)1.1 C (2.0 F)9239 of 100 (Notable)
2023-05-18BerlinRecord low minimum temperature-3.3 C (26.1 F)0.5 C (0.9 F)9238 of 100 (Notable)
2023-05-18Wellsboro 4 SWRecord low minimum temperature-3.9 C (25.0 F)1.7 C (3.1 F)8838 of 100 (Notable)
2023-05-18PulaskiRecord low maximum temperature7.8 C (46.0 F)5.0 C (9.0 F)7437 of 100 (Notable)
2023-05-18WoodstockRecord low maximum temperature9.4 C (48.9 F)1.2 C (2.2 F)7635 of 100 (Notable)
2023-05-18Harbor Beach 1 SSERecord low maximum temperature5.6 C (42.1 F)1.1 C (2.0 F)7834 of 100 (Routine)
2023-05-19FremontRecord low minimum temperature0.6 C (33.1 F)0.5 C (0.9 F)10841 of 100 (Notable)
2023-05-19AvonRecord low minimum temperature-0.6 C (30.9 F)0.6 C (1.1 F)9740 of 100 (Notable)
2023-05-19RutlandRecord low minimum temperature-3.9 C (25.0 F)1.1 C (2.0 F)7835 of 100 (Notable)
2023-05-20Selinsgrove 2 SRecord low minimum temperature0.6 C (33.1 F)1.1 C (2.0 F)10842 of 100 (Notable)
2023-05-22W PtRecord low minimum temperature3.9 C (39.0 F)0.5 C (0.9 F)11641 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 142 records the event counts. The counts above use the full total.

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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 2026-10-18. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.