Cold outbreak in United States, 21 July to 5 August 2024
Cold outbreak in United States, 21 July to 5 August 2024: 217 records at 175 stations, peak on 27 July 2024. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Cold outbreak in United States, 21 July to 5 August 2024 set or tied 217 station records at 175 stations.
- It ran from 21 July 2024 to 5 August 2024 (16 days) and its peak day was 27 July 2024.
- Status: closed.
- Turlock #2 set a daily record low maximum temperature of 27.8 C (82.0 F) on 27 July 2024.
- The busiest day was 27 July 2024 with 73 records.
- The oldest broken record in the ranked list had stood for 109 years.
Footprint
21 July to 5 August 2024| Station | Type | Value | Date |
|---|---|---|---|
| Turlock #2 | Record low maximum temperature | 27.8 C (82.0 F) | 2024-07-27 |
| Stony Gorge Rsvr | Record low maximum temperature | 26.7 C (80.1 F) | 2024-07-28 |
| Sandpoint Exp STN | Record low minimum temperature | 1.1 C (34.0 F) | 2024-07-24 |
| Sonora | Record low maximum temperature | 28.3 C (82.9 F) | 2024-07-28 |
| Redwood City | Record low maximum temperature | 18.9 C (66.0 F) | 2024-07-27 |
| Busby | Record low maximum temperature | 18.9 C (66.0 F) | 2024-07-31 |
| Davenport | Record low minimum temperature | 4.4 C (39.9 F) | 2024-07-27 |
| Oakridge Fish Hatchery | Record low maximum temperature | 21.1 C (70.0 F) | 2024-08-04 |
| Bryce Canyon AP | Record low minimum temperature | 1.7 C (35.1 F) | 2024-07-30 |
| Leaburg 1 SW | Record low minimum temperature | 6.1 C (43.0 F) | 2024-07-26 |
| Red Bluff Muni AP | Record low maximum temperature | 27.8 C (82.0 F) | 2024-07-27 |
| Prosser | Record low minimum temperature | 5.0 C (41.0 F) | 2024-07-24 |
| Shasta Dam | Record low maximum temperature | 28.3 C (82.9 F) | 2024-07-28 |
| Farson 2NNE | Record low maximum temperature | 21.7 C (71.1 F) | 2024-07-28 |
| Ephraim | Record low minimum temperature | 5.6 C (42.1 F) | 2024-07-30 |
| Black Mtn | Record low minimum temperature | 5.0 C (41.0 F) | 2024-07-30 |
| Orland | Record low maximum temperature | 24.4 C (75.9 F) | 2024-07-28 |
| Woodland 1 WNW | Record low maximum temperature | 27.2 C (81.0 F) | 2024-07-27 |
| Lake Solano | Record low maximum temperature | 27.2 C (81.0 F) | 2024-07-28 |
Records per Day
Peak day 73| Date | Records |
|---|---|
| 2024-07-21 | 1 |
| 2024-07-22 | 1 |
| 2024-07-23 | 2 |
| 2024-07-24 | 2 |
| 2024-07-25 | 3 |
| 2024-07-26 | 42 |
| 2024-07-27 | 73 |
| 2024-07-28 | 42 |
| 2024-07-29 | 13 |
| 2024-07-30 | 17 |
| 2024-07-31 | 6 |
| 2024-08-01 | 4 |
| 2024-08-02 | 3 |
| 2024-08-03 | 5 |
| 2024-08-04 | 2 |
| 2024-08-05 | 1 |
Top Records by Margin
Margin over the record replaced| Orland, 07-28 | |
|---|---|
| Lake Solano, 07-28 | |
| Stony Gorge Rsvr, 07-28 | |
| Black Mtn, 07-30 | |
| Redwood City, 07-27 | |
| Bryce Canyon AP, 07-30 | |
| Busby, 07-31 | |
| Turlock #2, 07-27 | |
| Bryce Canyon AP, 07-29 | |
| Leaburg 1 SW, 07-26 | |
| Shasta Dam, 07-28 | |
| Ephraim, 07-30 | |
| Sonora, 07-28 | |
| Sandpoint Exp STN, 07-24 | |
| Davenport, 07-27 |
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 (C) | Years the old record stood |
|---|---|
| 1.6 | 109 |
| 3.9 | 83 |
| 0.6 | 108 |
| 0.6 | 107 |
| 2.8 | 83 |
| 1.7 | 93 |
| 0.6 | 95 |
| 0.6 | 91 |
| 2.2 | 74 |
| 1.1 | 71 |
| 1.6 | 75 |
| 0.5 | 83 |
| 1.1 | 77 |
| 0.6 | 76 |
| 0.5 | 76 |
| 1.1 | 74 |
| 3.9 | 53 |
| 5.0 | 25 |
| 4.5 | 41 |
| 0.6 | 59 |
| 2.8 | 39 |
| 1.1 | 51 |
| 3.3 | 39 |
| 1.1 | 48 |
| 0.6 | 58 |
| 3.4 | 38 |
| 2.2 | 49 |
| 5.0 | 22 |
| 0.6 | 56 |
| 1.7 | 45 |
| 0.6 | 58 |
| 1.1 | 41 |
| 0.5 | 53 |
| 0.6 | 54 |
| 2.3 | 45 |
| 1.7 | 38 |
| 0.5 | 38 |
| 1.7 | 38 |
| 5.0 | 10 |
| 0.6 | 49 |
| 2.2 | 39 |
| 0.6 | 28 |
| 4.6 | 31 |
| 2.7 | 25 |
| 0.6 | 49 |
| 0.6 | 52 |
| 1.1 | 31 |
| 0.6 | 34 |
| 1.1 | 44 |
| 1.1 | 46 |
| 3.2 | 27 |
| 1.1 | 38 |
| 0.5 | 41 |
| 2.2 | 38 |
| 6.1 | 25 |
| 2.3 | 33 |
| 3.3 | 14 |
| 1.1 | 31 |
| 1.6 | 31 |
| 1.1 | 38 |
| 0.6 | 38 |
| 1.1 | 43 |
| 1.7 | 31 |
| 4.4 | 14 |
| 1.1 | 38 |
| 0.6 | 25 |
| 2.3 | 14 |
| 0.5 | 38 |
| 1.1 | 38 |
| 2.7 | 30 |
| 1.0 | 38 |
| 3.4 | 14 |
| 0.6 | 35 |
| 1.6 | 31 |
| 0.6 | 38 |
| 1.6 | 31 |
| 2.7 | 25 |
| 1.6 | 31 |
| 1.8 | 27 |
| 0.7 | 38 |
| 0.6 | 42 |
| 1.8 | 27 |
| 1.2 | 38 |
| 1.9 | 27 |
| 0.6 | 33 |
| 0.6 | 38 |
| 1.2 | 34 |
| 1.1 | 34 |
| 1.2 | 34 |
| 1.1 | 34 |
| 1.7 | 31 |
| 1.6 | 31 |
| 1.3 | 27 |
| 0.5 | 25 |
| 1.7 | 14 |
| 1.1 | 31 |
| 0.6 | 32 |
| 2.8 | 13 |
| 1.6 | 22 |
| 1.6 | 28 |
| 3.9 | 9 |
| 1.2 | 31 |
| 1.7 | 26 |
| 0.5 | 38 |
| 1.1 | 31 |
| 1.7 | 20 |
| 0.3 | 38 |
| 1.2 | 27 |
| 0.9 | 36 |
| 1.1 | 25 |
| 1.7 | 14 |
| 1.1 | 23 |
| 1.1 | 27 |
| 2.2 | 14 |
| 0.6 | 0 |
| 1.1 | 29 |
| 2.8 | 13 |
| 0.6 | 34 |
| 0.8 | 27 |
| 0.4 | 35 |
| 1.3 | 27 |
| 3.3 | 9 |
| 1.7 | 14 |
| 2.2 | 14 |
| 0.5 | 31 |
| 0.5 | 31 |
| 0.6 | 31 |
| 3.9 | 3 |
| 1.7 | 21 |
| 1.2 | 23 |
| 0.5 | 33 |
| 0.5 | 31 |
| 0.3 | 31 |
| 2.2 | 10 |
| 0.4 | 27 |
| 0.6 | 31 |
| 0.1 | 34 |
| 0.1 | 35 |
| 0.9 | 28 |
| 2.7 | 9 |
| 0.7 | 28 |
| 2.4 | 12 |
| 0.8 | 27 |
| 0.6 | 23 |
| 0.6 | 6 |
| 1.7 | 14 |
| 0.5 | 27 |
| 1.1 | 25 |
| 0.5 | 29 |
| 1.6 | 18 |
| 0.8 | 25 |
| 2.1 | 14 |
| 0.6 | 27 |
| 0.7 | 27 |
| 0.2 | 31 |
| 0.4 | 27 |
| 2.6 | 9 |
| 0.1 | 31 |
| 2.2 | 4 |
| 1.7 | 12 |
| 1.6 | 14 |
| 0.5 | 24 |
| 0.5 | 25 |
| 1.6 | 14 |
| 1.5 | 13 |
| 2.2 | 9 |
| 0.2 | 27 |
| 0.2 | 27 |
| 0.2 | 28 |
| 1.4 | 11 |
| 1.3 | 10 |
| 0.7 | 21 |
| 1.7 | 1 |
| 1.7 | 3 |
| 0.5 | 23 |
| 0.5 | 23 |
| 2.8 | 3 |
| 0.5 | 20 |
| 0.5 | 17 |
| 0.1 | 24 |
| 1.9 | 9 |
| 1.6 | 12 |
| 1.6 | 9 |
| 0.5 | 14 |
| 1.1 | 11 |
| 0.3 | 23 |
| 1.8 | 1 |
| 1.6 | 9 |
| 1.8 | 1 |
| 0.5 | 14 |
| 1.1 | 4 |
| 0.2 | 19 |
| 0.1 | 19 |
| 0.7 | 9 |
| 0.6 | 1 |
| 0.5 | 9 |
| 0.5 | 11 |
| 1.1 | 4 |
| 0.6 | 13 |
| 0.9 | 9 |
Compared With Other Events
Station records per event| Cold outbreak in United States and Mexico, 6 February to 5 March 2021 | |
|---|---|
| Cold outbreak in United States and Mexico, 13 October to 5 November 2020 | |
| Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 2018 | |
| Cold outbreak in United States and Mexico, 3 to 23 January 2024 | |
| Cold outbreak in United States, 15 January to 10 February 2026 | |
| Cold outbreak in United States, 21 July to 5 August 2024 (this event) |
Every Record Set
20 of 217| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2024-07-24 | Sandpoint Exp STN | Record low minimum temperature | 1.1 C (34.0 F) | 0.6 C (1.1 F) | 107 | 41 of 100 (Notable) |
| 2024-07-24 | Prosser | Record low minimum temperature | 5.0 C (41.0 F) | 0.6 C (1.1 F) | 76 | 33 of 100 (Routine) |
| 2024-07-26 | Leaburg 1 SW | Record low minimum temperature | 6.1 C (43.0 F) | 1.1 C (2.0 F) | 71 | 34 of 100 (Routine) |
| 2024-07-27 | Turlock #2 | Record low maximum temperature | 27.8 C (82.0 F) | 1.6 C (2.9 F) | 109 | 44 of 100 (Notable) |
| 2024-07-27 | Redwood City | Record low maximum temperature | 18.9 C (66.0 F) | 2.8 C (5.0 F) | 83 | 40 of 100 (Notable) |
| 2024-07-27 | Davenport | Record low minimum temperature | 4.4 C (39.9 F) | 0.6 C (1.1 F) | 95 | 39 of 100 (Notable) |
| 2024-07-27 | Red Bluff Muni AP | Record low maximum temperature | 27.8 C (82.0 F) | 0.5 C (0.9 F) | 83 | 34 of 100 (Routine) |
| 2024-07-27 | Woodland 1 WNW | Record low maximum temperature | 27.2 C (81.0 F) | 0.6 C (1.1 F) | 59 | 28 of 100 (Routine) |
| 2024-07-28 | Stony Gorge Rsvr | Record low maximum temperature | 26.7 C (80.1 F) | 3.9 C (7.0 F) | 83 | 43 of 100 (Notable) |
| 2024-07-28 | Sonora | Record low maximum temperature | 28.3 C (82.9 F) | 0.6 C (1.1 F) | 108 | 41 of 100 (Notable) |
| 2024-07-28 | Shasta Dam | Record low maximum temperature | 28.3 C (82.9 F) | 1.1 C (2.0 F) | 77 | 33 of 100 (Routine) |
| 2024-07-28 | Farson 2NNE | Record low maximum temperature | 21.7 C (71.1 F) | 0.5 C (0.9 F) | 76 | 33 of 100 (Routine) |
| 2024-07-28 | Orland | Record low maximum temperature | 24.4 C (75.9 F) | 5.0 C (9.0 F) | 25 | 29 of 100 (Routine) |
| 2024-07-28 | Lake Solano | Record low maximum temperature | 27.2 C (81.0 F) | 4.5 C (8.1 F) | 41 | 28 of 100 (Routine) |
| 2024-07-29 | Bryce Canyon AP | Record low minimum temperature | 0.6 C (33.1 F) | 1.6 C (2.9 F) | 75 | 34 of 100 (Routine) |
| 2024-07-30 | Bryce Canyon AP | Record low minimum temperature | 1.7 C (35.1 F) | 2.2 C (4.0 F) | 74 | 35 of 100 (Notable) |
| 2024-07-30 | Ephraim | Record low minimum temperature | 5.6 C (42.1 F) | 1.1 C (2.0 F) | 74 | 32 of 100 (Routine) |
| 2024-07-30 | Black Mtn | Record low minimum temperature | 5.0 C (41.0 F) | 3.9 C (7.0 F) | 53 | 31 of 100 (Routine) |
| 2024-07-31 | Busby | Record low maximum temperature | 18.9 C (66.0 F) | 1.7 C (3.1 F) | 93 | 40 of 100 (Notable) |
| 2024-08-04 | Oakridge Fish Hatchery | Record low maximum temperature | 21.1 C (70.0 F) | 0.6 C (1.1 F) | 91 | 38 of 100 (Notable) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 217 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 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.