Heat wave in United States, 20 June to 14 July 2019
Heat wave in United States, 20 June to 14 July 2019: 459 records at 72 stations, peak on 29 June 2019. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Heat wave in United States, 20 June to 14 July 2019 set or tied 459 station records at 72 stations.
- It ran from 20 June 2019 to 14 July 2019 (25 days) and its peak day was 29 June 2019.
- Status: closed.
- Kenai AP set an all-time record high maximum temperature of 31.7 C (89.1 F) on 4 July 2019.
- The busiest day was 29 June 2019 with 51 records.
- The oldest broken record in the ranked list had stood for 119 years.
Footprint
20 June to 14 July 2019| Station | Type | Value | Date |
|---|---|---|---|
| Kenai AP | Record high maximum temperature | 31.7 C (89.1 F) | 2019-07-04 |
| Gulkana AP | Record high minimum temperature | 16.7 C (62.1 F) | 2019-06-30 |
| Talkeetna AP | Record high maximum temperature | 33.9 C (93.0 F) | 2019-07-07 |
| Anchorage Ted Stevens Intl AP | Record high maximum temperature | 32.2 C (90.0 F) | 2019-07-04 |
| Nenana Muni AP | Record high minimum temperature | 17.2 C (63.0 F) | 2019-07-11 |
| Cordova AP | Record high maximum temperature | 26.1 C (79.0 F) | 2019-06-27 |
| Annex Creek | Record high maximum temperature | 27.8 C (82.0 F) | 2019-06-28 |
| King Salmon | Record high maximum temperature | 31.7 C (89.1 F) | 2019-07-04 |
| Haines AP | Record high minimum temperature | 16.1 C (61.0 F) | 2019-07-03 |
| Bethel AP | Record high minimum temperature | 16.7 C (62.1 F) | 2019-07-08 |
| Skagway | Record high maximum temperature | 30.6 C (87.1 F) | 2019-06-29 |
| Yakutat AP | Record high minimum temperature | 13.9 C (57.0 F) | 2019-07-01 |
| Matanuska Exp Farm | Record high maximum temperature | 31.1 C (88.0 F) | 2019-07-05 |
| Northway AP | Record high maximum temperature | 33.3 C (91.9 F) | 2019-06-30 |
| Hoonah | Record high maximum temperature | 30.0 C (86.0 F) | 2019-06-30 |
Records per Day
Peak day 51| Date | Records |
|---|---|
| 2019-06-20 | 1 |
| 2019-06-21 | 1 |
| 2019-06-22 | 3 |
| 2019-06-23 | 7 |
| 2019-06-24 | 9 |
| 2019-06-25 | 4 |
| 2019-06-26 | 6 |
| 2019-06-27 | 18 |
| 2019-06-28 | 41 |
| 2019-06-29 | 51 |
| 2019-06-30 | 34 |
| 2019-07-01 | 13 |
| 2019-07-02 | 15 |
| 2019-07-03 | 17 |
| 2019-07-04 | 36 |
| 2019-07-05 | 35 |
| 2019-07-06 | 31 |
| 2019-07-07 | 35 |
| 2019-07-08 | 31 |
| 2019-07-09 | 26 |
| 2019-07-10 | 15 |
| 2019-07-11 | 14 |
| 2019-07-12 | 12 |
| 2019-07-13 | 2 |
| 2019-07-14 | 2 |
Top Records by Margin
Margin over the record replaced| Annex Creek, 06-28 | |
|---|---|
| Bethel AP, 07-08 | |
| Cordova AP, 06-27 | |
| Anchorage Ted Stevens Intl AP, 07-04 | |
| Nenana Muni AP, 07-11 | |
| Haines AP, 06-28 | |
| Talkeetna AP, 07-07 | |
| Matanuska Exp Farm, 07-05 | |
| Skagway, 06-29 | |
| Yakutat AP, 07-01 | |
| Yakutat AP, 07-12 | |
| Bethel AP, 07-08 | |
| Kenai AP, 07-04 | |
| Skagway, 07-05 | |
| Skagway, 06-30 |
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 |
|---|---|
| 1.1 | 116 |
| 0.6 | 105 |
| 1.7 | 95 |
| 2.8 | 50 |
| 2.8 | 100 |
| 3.3 | 108 |
| 3.9 | 90 |
| 0.6 | 66 |
| 0.5 | 82 |
| 3.4 | 76 |
| 2.2 | 102 |
| 1.7 | 67 |
| 1.7 | 118 |
| 1.1 | 119 |
| 1.7 | 92 |
| 1.1 | 109 |
| 1.7 | 88 |
| 0.5 | 50 |
| 1.7 | 67 |
| 0.6 | 46 |
| 0.5 | 113 |
| 1.1 | 69 |
| 0.6 | 104 |
| 1.1 | 102 |
| 1.1 | 98 |
| 2.7 | 82 |
| 0.5 | 104 |
| 2.2 | 88 |
| 1.1 | 88 |
| 1.1 | 88 |
| 3.9 | 68 |
| 1.6 | 82 |
| 4.5 | 72 |
| 0.6 | 100 |
| 0.5 | 116 |
| 0.5 | 100 |
| 0.6 | 47 |
| 3.4 | 74 |
| 3.9 | 46 |
| 3.4 | 68 |
| 2.3 | 82 |
| 2.8 | 74 |
| 2.8 | 56 |
| 1.7 | 82 |
| 1.7 | 84 |
| 0.6 | 88 |
| 0.5 | 67 |
| 0.6 | 88 |
| 4.4 | 69 |
| 1.1 | 84 |
| 2.8 | 72 |
| 1.7 | 68 |
| 1.1 | 76 |
| 1.1 | 80 |
| 0.5 | 85 |
| 0.6 | 84 |
| 2.8 | 68 |
| 1.6 | 6 |
| 0.6 | 82 |
| 0.6 | 84 |
| 1.7 | 68 |
| 1.7 | 0 |
| 1.1 | 51 |
| 2.3 | 3 |
| 1.1 | 76 |
| 1.8 | 9 |
| 1.7 | 72 |
| 1.1 | 65 |
| 1.7 | 58 |
| 0.5 | 51 |
| 0.5 | 72 |
| 0.6 | 72 |
| 0.3 | 28 |
| 1.1 | 68 |
| 1.7 | 48 |
| 1.2 | 72 |
| 1.7 | 56 |
| 2.3 | 58 |
| 1.7 | 68 |
| 3.3 | 46 |
| 0.5 | 46 |
| 0.5 | 64 |
| 2.2 | 65 |
| 3.9 | 46 |
| 0.6 | 60 |
| 1.7 | 40 |
| 0.5 | 65 |
| 0.6 | 60 |
| 1.1 | 60 |
| 1.7 | 65 |
| 0.5 | 74 |
| 0.5 | 46 |
| 0.5 | 65 |
| 0.5 | 60 |
| 3.3 | 44 |
| 1.7 | 50 |
| 1.1 | 65 |
| 0.6 | 65 |
| 2.2 | 32 |
| 0.5 | 60 |
| 2.8 | 41 |
| 2.8 | 50 |
| 2.3 | 41 |
| 0.5 | 64 |
| 4.4 | 32 |
| 0.6 | 4 |
| 3.3 | 46 |
| 0.6 | 68 |
| 0.5 | 68 |
| 1.7 | 0 |
| 1.7 | 46 |
| 2.8 | 20 |
| 1.1 | 46 |
| 0.5 | 65 |
| 3.3 | 42 |
| 0.5 | 65 |
| 1.1 | 16 |
| 2.8 | 20 |
| 2.2 | 46 |
| 5.6 | 4 |
| 2.2 | 40 |
| 2.8 | 14 |
| 1.1 | 50 |
| 1.1 | 49 |
| 0.6 | 65 |
| 1.1 | 50 |
| 2.2 | 46 |
| 2.2 | 26 |
| 1.1 | 46 |
| 2.7 | 32 |
| 0.6 | 46 |
| 0.6 | 0 |
| 2.3 | 26 |
| 0.5 | 48 |
| 1.1 | 46 |
| 2.7 | 40 |
| 1.1 | 48 |
| 1.7 | 46 |
| 1.1 | 44 |
| 0.5 | 2 |
| 1.3 | 22 |
| 0.2 | 0 |
| 3.8 | 29 |
| 3.9 | 0 |
| 3.3 | 12 |
| 1.6 | 14 |
| 2.3 | 36 |
| 3.9 | 20 |
| 1.7 | 49 |
| 3.9 | 32 |
| 1.2 | 46 |
| 1.1 | 45 |
| 3.4 | 29 |
| 6.0 | 4 |
| 1.7 | 20 |
| 2.8 | 20 |
| 3.9 | 24 |
| 1.7 | 20 |
| 5.0 | 4 |
| 0.5 | 44 |
| 3.4 | 21 |
| 1.6 | 46 |
| 1.7 | 46 |
| 0.6 | 52 |
| 0.6 | 50 |
| 2.7 | 33 |
| 2.2 | 1 |
| 1.1 | 36 |
| 1.6 | 32 |
| 3.4 | 34 |
| 2.2 | 30 |
| 1.1 | 40 |
| 0.6 | 14 |
| 1.6 | 36 |
| 1.6 | 26 |
| 2.4 | 33 |
| 1.6 | 29 |
| 0.6 | 34 |
| 1.1 | 6 |
| 0.6 | 48 |
| 2.8 | 33 |
| 2.2 | 17 |
| 0.6 | 52 |
| 1.7 | 40 |
| 2.2 | 28 |
| 1.1 | 36 |
| 2.2 | 26 |
| 2.6 | 29 |
| 1.1 | 26 |
| 1.7 | 20 |
| 2.8 | 9 |
| 0.6 | 44 |
| 1.7 | 26 |
| 1.2 | 34 |
| 0.6 | 41 |
| 1.6 | 16 |
| 0.5 | 36 |
| 0.6 | 33 |
| 3.4 | 20 |
| 0.5 | 46 |
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, 20 June to 14 July 2019 (this event) |
Every Record Set
20 of 459| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2019-06-27 | Cordova AP | Record high maximum temperature | 26.1 C (79.0 F) | 3.3 C (5.9 F) | 108 | 48 of 100 (Notable) |
| 2019-06-28 | Annex Creek | Record high maximum temperature | 27.8 C (82.0 F) | 3.9 C (7.0 F) | 90 | 47 of 100 (Notable) |
| 2019-06-28 | Haines AP | Record high maximum temperature | 29.4 C (84.9 F) | 2.2 C (4.0 F) | 102 | 45 of 100 (Notable) |
| 2019-06-29 | Skagway | Record high maximum temperature | 30.6 C (87.1 F) | 1.7 C (3.1 F) | 118 | 44 of 100 (Notable) |
| 2019-06-30 | Gulkana AP | Record high minimum temperature | 16.7 C (62.1 F) | 0.6 C (1.1 F) | 105 | 62 of 100 (Major) |
| 2019-06-30 | Skagway | Record high minimum temperature | 13.3 C (55.9 F) | 1.1 C (2.0 F) | 109 | 43 of 100 (Notable) |
| 2019-06-30 | Northway AP | Record high maximum temperature | 33.3 C (91.9 F) | 0.5 C (0.9 F) | 50 | 43 of 100 (Notable) |
| 2019-06-30 | Hoonah | Record high maximum temperature | 30.0 C (86.0 F) | 0.6 C (1.1 F) | 46 | 42 of 100 (Notable) |
| 2019-07-01 | Yakutat AP | Record high minimum temperature | 13.9 C (57.0 F) | 1.7 C (3.1 F) | 92 | 44 of 100 (Notable) |
| 2019-07-03 | Haines AP | Record high minimum temperature | 16.1 C (61.0 F) | 0.5 C (0.9 F) | 82 | 46 of 100 (Notable) |
| 2019-07-04 | Kenai AP | Record high maximum temperature | 31.7 C (89.1 F) | 1.1 C (2.0 F) | 116 | 63 of 100 (Major) |
| 2019-07-04 | Anchorage Ted Stevens Intl AP | Record high maximum temperature | 32.2 C (90.0 F) | 2.8 C (5.0 F) | 50 | 50 of 100 (Notable) |
| 2019-07-04 | King Salmon | Record high maximum temperature | 31.7 C (89.1 F) | 0.6 C (1.1 F) | 66 | 47 of 100 (Notable) |
| 2019-07-05 | Matanuska Exp Farm | Record high maximum temperature | 31.1 C (88.0 F) | 1.7 C (3.1 F) | 67 | 44 of 100 (Notable) |
| 2019-07-05 | Skagway | Record high minimum temperature | 16.7 C (62.1 F) | 1.1 C (2.0 F) | 119 | 44 of 100 (Notable) |
| 2019-07-07 | Talkeetna AP | Record high maximum temperature | 33.9 C (93.0 F) | 1.7 C (3.1 F) | 95 | 52 of 100 (Notable) |
| 2019-07-08 | Bethel AP | Record high minimum temperature | 16.7 C (62.1 F) | 3.4 C (6.1 F) | 76 | 46 of 100 (Notable) |
| 2019-07-08 | Bethel AP | Record high maximum temperature | 31.7 C (89.1 F) | 1.7 C (3.1 F) | 67 | 43 of 100 (Notable) |
| 2019-07-11 | Nenana Muni AP | Record high minimum temperature | 17.2 C (63.0 F) | 2.8 C (5.0 F) | 100 | 49 of 100 (Notable) |
| 2019-07-12 | Yakutat AP | Record high minimum temperature | 13.9 C (57.0 F) | 1.7 C (3.1 F) | 88 | 43 of 100 (Notable) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 459 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.