Heat wave in United States and Russia, 17 July to 12 August 2023
Heat wave in United States and Russia, 17 July to 12 August 2023: 245 records at 60 stations, peak on 24 July 2023. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Heat wave in United States and Russia, 17 July to 12 August 2023 set or tied 245 station records at 60 stations.
- It ran from 17 July 2023 to 12 August 2023 (27 days) and its peak day was 24 July 2023.
- Status: closed.
- Wainwright AP set an all-time record high maximum temperature of 28.9 C (84.0 F) on 24 July 2023.
- The busiest day was 24 July 2023 with 37 records.
- The oldest broken record in the ranked list had stood for 118 years.
Footprint
17 July to 12 August 2023| Station | Type | Value | Date |
|---|---|---|---|
| Wainwright AP | Record high maximum temperature | 28.9 C (84.0 F) | 2023-07-24 |
| Barrow AP | Record high minimum temperature | 13.3 C (55.9 F) | 2023-08-05 |
| University Exp STN | Record high minimum temperature | 16.7 C (62.1 F) | 2023-07-26 |
| Wiseman | Record high maximum temperature | 26.7 C (80.1 F) | 2023-08-08 |
| Skagway | Record high maximum temperature | 27.2 C (81.0 F) | 2023-08-07 |
| Yakutat AP | Record high minimum temperature | 13.9 C (57.0 F) | 2023-07-31 |
| Haines AP | Record high maximum temperature | 26.1 C (79.0 F) | 2023-08-06 |
| Fairbanks Intl AP | Record high minimum temperature | 17.8 C (64.0 F) | 2023-07-27 |
| McKinley Park | Record high maximum temperature | 28.9 C (84.0 F) | 2023-07-24 |
| Cordova AP | Record high minimum temperature | 12.8 C (55.0 F) | 2023-07-24 |
Records per Day
Peak day 37| Date | Records |
|---|---|
| 2023-07-17 | 1 |
| 2023-07-18 | 5 |
| 2023-07-19 | 12 |
| 2023-07-20 | 4 |
| 2023-07-21 | 8 |
| 2023-07-22 | 9 |
| 2023-07-23 | 13 |
| 2023-07-24 | 37 |
| 2023-07-25 | 16 |
| 2023-07-26 | 23 |
| 2023-07-27 | 20 |
| 2023-07-28 | 16 |
| 2023-07-29 | 5 |
| 2023-07-30 | 10 |
| 2023-07-31 | 9 |
| 2023-08-01 | 7 |
| 2023-08-02 | 2 |
| 2023-08-03 | 2 |
| 2023-08-04 | 4 |
| 2023-08-05 | 6 |
| 2023-08-06 | 10 |
| 2023-08-07 | 13 |
| 2023-08-08 | 4 |
| 2023-08-09 | 5 |
| 2023-08-10 | 2 |
| 2023-08-11 | 1 |
| 2023-08-12 | 1 |
Top Records by Margin
Margin over the record replaced| Barrow AP, 07-19 | |
|---|---|
| Wiseman, 08-08 | |
| Wainwright AP, 07-24 | |
| Wiseman, 08-09 | |
| Wiseman, 07-25 | |
| Wainwright AP, 08-07 | |
| Wainwright AP, 07-24 | |
| Fairbanks Intl AP, 07-27 | |
| University Exp STN, 07-26 | |
| Barrow AP, 07-21 | |
| Wiseman, 07-24 | |
| Barrow AP, 08-05 | |
| Wiseman, 07-20 | |
| Haines AP, 08-06 | |
| University Exp STN, 07-25 |
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 |
|---|---|
| 2.2 | 68 |
| 1.6 | 43 |
| 1.7 | 108 |
| 3.4 | 86 |
| 3.3 | 84 |
| 0.5 | 118 |
| 0.6 | 68 |
| 2.8 | 76 |
| 1.7 | 80 |
| 2.8 | 86 |
| 0.6 | 92 |
| 3.4 | 72 |
| 1.1 | 85 |
| 1.1 | 84 |
| 3.9 | 69 |
| 2.2 | 69 |
| 0.6 | 80 |
| 0.6 | 80 |
| 0.6 | 77 |
| 1.7 | 72 |
| 1.6 | 72 |
| 1.7 | 72 |
| 1.1 | 68 |
| 0.6 | 76 |
| 0.6 | 70 |
| 1.7 | 68 |
| 1.1 | 69 |
| 2.2 | 54 |
| 1.1 | 62 |
| 0.2 | 24 |
| 0.6 | 76 |
| 1.2 | 65 |
| 1.1 | 69 |
| 1.1 | 69 |
| 2.2 | 54 |
| 0.6 | 65 |
| 3.4 | 41 |
| 1.1 | 54 |
| 2.3 | 33 |
| 1.1 | 56 |
| 0.5 | 54 |
| 1.6 | 48 |
| 0.6 | 44 |
| 1.2 | 54 |
| 2.2 | 44 |
| 1.2 | 52 |
| 1.1 | 33 |
| 0.6 | 52 |
| 0.6 | 54 |
| 1.1 | 46 |
| 0.6 | 29 |
| 5.0 | 18 |
| 1.1 | 52 |
| 1.1 | 24 |
| 3.9 | 8 |
| 0.5 | 38 |
| 1.2 | 29 |
| 2.8 | 9 |
| 3.3 | 13 |
| 1.1 | 29 |
| 0.6 | 38 |
| 1.7 | 21 |
| 0.5 | 44 |
| 0.6 | 38 |
| 2.2 | 24 |
| 1.7 | 33 |
| 2.7 | 25 |
| 2.3 | 17 |
| 1.2 | 21 |
| 0.6 | 32 |
| 3.9 | 9 |
| 1.7 | 30 |
| 1.1 | 24 |
| 2.3 | 29 |
| 1.7 | 12 |
| 2.8 | 9 |
| 3.3 | 16 |
| 1.8 | 37 |
| 0.6 | 20 |
| 0.9 | 18 |
| 2.8 | 4 |
| 0.6 | 26 |
| 0.5 | 21 |
| 1.1 | 17 |
| 0.6 | 25 |
| 2.8 | 4 |
| 1.7 | 10 |
| 0.5 | 24 |
| 1.1 | 28 |
| 0.6 | 17 |
| 1.2 | 28 |
| 1.7 | 4 |
| 1.7 | 4 |
| 0.6 | 17 |
| 0.6 | 18 |
| 1.1 | 6 |
| 0.6 | 20 |
| 1.7 | 28 |
| 2.2 | 17 |
| 1.2 | 28 |
| 2.4 | 10 |
| 1.1 | 0 |
| 2.3 | 4 |
| 1.1 | 13 |
| 1.1 | 16 |
| 0.5 | 16 |
| 0.6 | 28 |
| 1.1 | 17 |
| 0.6 | 29 |
| 1.7 | 25 |
| 1.1 | 28 |
| 1.6 | 28 |
| 0.7 | 29 |
| 1.1 | 4 |
| 1.1 | 9 |
| 0.6 | 12 |
| 2.2 | 6 |
| 0.6 | 24 |
| 0.5 | 28 |
| 1.1 | 28 |
| 1.7 | 22 |
| 1.1 | 20 |
| 1.1 | 24 |
| 0.6 | 28 |
| 1.1 | 9 |
| 1.1 | 25 |
| 0.5 | 30 |
| 2.7 | 16 |
| 2.8 | 17 |
| 0.5 | 28 |
| 0.9 | 20 |
| 2.3 | 17 |
| 0.6 | 28 |
| 0.6 | 29 |
| 1.7 | 18 |
| 0.5 | 32 |
| 0.6 | 28 |
| 1.0 | 28 |
| 0.4 | 28 |
| 0.2 | 32 |
| 2.1 | 16 |
| 0.4 | 28 |
| 1.6 | 16 |
| 2.3 | 16 |
| 1.6 | 20 |
| 1.8 | 13 |
| 1.6 | 5 |
| 0.6 | 4 |
| 0.5 | 4 |
| 1.1 | 9 |
| 0.5 | 16 |
| 1.2 | 4 |
| 1.7 | 4 |
| 1.6 | 9 |
| 0.6 | 25 |
| 0.5 | 4 |
| 2.2 | 16 |
| 0.6 | 28 |
| 1.1 | 24 |
| 1.6 | 18 |
| 0.5 | 29 |
| 1.6 | 20 |
| 0.5 | 29 |
| 0.6 | 29 |
| 0.4 | 25 |
| 0.2 | 28 |
| 0.6 | 4 |
| 0.6 | 4 |
| 1.1 | 5 |
| 1.1 | 13 |
| 0.6 | 20 |
| 1.1 | 12 |
| 0.6 | 24 |
| 1.7 | 13 |
| 0.6 | 24 |
| 1.6 | 16 |
| 1.6 | 16 |
| 1.6 | 12 |
| 0.6 | 4 |
| 0.6 | 4 |
| 1.6 | 9 |
| 0.5 | 4 |
| 1.7 | 16 |
| 1.7 | 16 |
| 0.6 | 20 |
| 0.5 | 22 |
| 1.7 | 9 |
| 0.6 | 20 |
| 0.6 | 20 |
| 1.8 | 9 |
| 2.8 | 4 |
| 0.6 | 18 |
| 0.5 | 4 |
| 0.5 | 8 |
| 0.6 | 16 |
| 0.5 | 6 |
| 1.1 | 16 |
| 0.5 | 18 |
| 0.6 | 17 |
| 1.0 | 9 |
Compared With Other Events
Station records per event| Heat wave in United States and Mexico, 16 January to 14 February 2024 | |
|---|---|
| Heat wave in United States, 28 January to 24 February 2026 | |
| Heat wave in United States and Mexico, 24 May to 19 June 2020 | |
| Heat wave in United States and Mexico, 26 March to 17 April 2021 | |
| Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022 | |
| Heat wave in United States and Russia, 17 July to 12 August 2023 (this event) |
Every Record Set
20 of 245| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2023-07-19 | Barrow AP | Record high maximum temperature | 23.3 C (73.9 F) | 3.9 C (7.0 F) | 69 | 38 of 100 (Notable) |
| 2023-07-20 | Wiseman | Record high minimum temperature | 13.3 C (55.9 F) | 1.1 C (2.0 F) | 85 | 38 of 100 (Notable) |
| 2023-07-21 | Barrow AP | Record high minimum temperature | 8.9 C (48.0 F) | 1.7 C (3.1 F) | 80 | 41 of 100 (Notable) |
| 2023-07-24 | Wainwright AP | Record high maximum temperature | 28.9 C (84.0 F) | 2.2 C (4.0 F) | 68 | 52 of 100 (Notable) |
| 2023-07-24 | Wainwright AP | Record high minimum temperature | 12.8 C (55.0 F) | 3.4 C (6.1 F) | 72 | 39 of 100 (Notable) |
| 2023-07-24 | McKinley Park | Record high maximum temperature | 28.9 C (84.0 F) | 0.6 C (1.1 F) | 80 | 35 of 100 (Notable) |
| 2023-07-24 | Cordova AP | Record high minimum temperature | 12.8 C (55.0 F) | 0.6 C (1.1 F) | 77 | 35 of 100 (Notable) |
| 2023-07-24 | Wiseman | Record high maximum temperature | 28.9 C (84.0 F) | 1.7 C (3.1 F) | 72 | 34 of 100 (Routine) |
| 2023-07-25 | University Exp STN | Record high maximum temperature | 33.9 C (93.0 F) | 0.6 C (1.1 F) | 68 | 41 of 100 (Notable) |
| 2023-07-25 | Wiseman | Record high minimum temperature | 15.0 C (59.0 F) | 2.8 C (5.0 F) | 76 | 41 of 100 (Notable) |
| 2023-07-26 | University Exp STN | Record high minimum temperature | 16.7 C (62.1 F) | 1.7 C (3.1 F) | 108 | 45 of 100 (Notable) |
| 2023-07-27 | Fairbanks Intl AP | Record high minimum temperature | 17.8 C (64.0 F) | 2.2 C (4.0 F) | 69 | 37 of 100 (Notable) |
| 2023-07-30 | Wiseman | Record high minimum temperature | 11.7 C (53.1 F) | 0.6 C (1.1 F) | 80 | 35 of 100 (Notable) |
| 2023-07-31 | Yakutat AP | Record high minimum temperature | 13.9 C (57.0 F) | 0.6 C (1.1 F) | 92 | 39 of 100 (Notable) |
| 2023-08-05 | Barrow AP | Record high minimum temperature | 13.3 C (55.9 F) | 1.6 C (2.9 F) | 43 | 48 of 100 (Notable) |
| 2023-08-06 | Haines AP | Record high maximum temperature | 26.1 C (79.0 F) | 1.1 C (2.0 F) | 84 | 38 of 100 (Notable) |
| 2023-08-07 | Skagway | Record high maximum temperature | 27.2 C (81.0 F) | 0.5 C (0.9 F) | 118 | 41 of 100 (Notable) |
| 2023-08-07 | Wainwright AP | Record high maximum temperature | 21.1 C (70.0 F) | 2.8 C (5.0 F) | 86 | 40 of 100 (Notable) |
| 2023-08-08 | Wiseman | Record high maximum temperature | 26.7 C (80.1 F) | 3.4 C (6.1 F) | 86 | 44 of 100 (Notable) |
| 2023-08-09 | Wiseman | Record high minimum temperature | 13.9 C (57.0 F) | 3.3 C (5.9 F) | 84 | 43 of 100 (Notable) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 245 records the event counts. The counts above use the full total.
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 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.