Heat wave in United States and Bahamas, The, 28 April to 14 May 2019
Heat wave in United States and Bahamas, The, 28 April to 14 May 2019: 270 records at 180 stations, peak on 4 May 2019. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Heat wave in United States and Bahamas, The, 28 April to 14 May 2019 set or tied 270 station records at 180 stations.
- It ran from 28 April 2019 to 14 May 2019 (17 days) and its peak day was 4 May 2019.
- Status: closed.
- Key W Intl AP set a monthly record high maximum temperature of 34.4 C (93.9 F) on 14 May 2019.
- The busiest day was 4 May 2019 with 44 records.
- The oldest broken record in the ranked list had stood for 122 years.
Footprint
28 April to 14 May 2019| Station | Type | Value | Date |
|---|---|---|---|
| Key W Intl AP | Record high maximum temperature | 34.4 C (93.9 F) | 2019-05-14 |
| Dwtn Charleston | Record high minimum temperature | 23.3 C (73.9 F) | 2019-05-03 |
| Daytona Beach | Record high minimum temperature | 24.4 C (75.9 F) | 2019-05-08 |
| White Sulphur Springs | Record high minimum temperature | 16.7 C (62.1 F) | 2019-05-10 |
| Marion | Record high minimum temperature | 18.9 C (66.0 F) | 2019-05-12 |
| Valley Head | Record high minimum temperature | 18.3 C (64.9 F) | 2019-05-01 |
| Mc Minnville | Record high maximum temperature | 33.9 C (93.0 F) | 2019-05-02 |
| Lewisburg 3 N | Record high maximum temperature | 30.6 C (87.1 F) | 2019-05-02 |
| Batesburg | Record high minimum temperature | 20.0 C (68.0 F) | 2019-05-04 |
| Greenville | Record high minimum temperature | 21.1 C (70.0 F) | 2019-05-04 |
| Oakland 1 SE | Record high minimum temperature | 18.3 C (64.9 F) | 2019-05-10 |
| Avon Park 2 W | Record high minimum temperature | 22.2 C (72.0 F) | 2019-05-12 |
| Crossville Ed & Rsch STN | Record high minimum temperature | 17.2 C (63.0 F) | 2019-05-02 |
| Sines Deep Creek | Record high minimum temperature | 14.4 C (57.9 F) | 2019-05-10 |
| Orlando Executive AP | Record high minimum temperature | 22.8 C (73.0 F) | 2019-05-02 |
| Clarksburg 1 | Record high minimum temperature | 16.7 C (62.1 F) | 2019-05-04 |
| Parsons 3 SE | Record high minimum temperature | 18.9 C (66.0 F) | 2019-05-10 |
| Chatham | Record high minimum temperature | 18.3 C (64.9 F) | 2019-05-12 |
| Bayard | Record high minimum temperature | 13.3 C (55.9 F) | 2019-05-04 |
| Jacksonville Beach | Record high minimum temperature | 24.4 C (75.9 F) | 2019-05-10 |
Records per Day
Peak day 44| Date | Records |
|---|---|
| 2019-04-28 | 3 |
| 2019-04-30 | 5 |
| 2019-05-01 | 20 |
| 2019-05-02 | 31 |
| 2019-05-03 | 16 |
| 2019-05-04 | 44 |
| 2019-05-05 | 37 |
| 2019-05-06 | 1 |
| 2019-05-07 | 3 |
| 2019-05-08 | 7 |
| 2019-05-09 | 11 |
| 2019-05-10 | 36 |
| 2019-05-11 | 14 |
| 2019-05-12 | 30 |
| 2019-05-13 | 8 |
| 2019-05-14 | 4 |
Top Records by Margin
Margin over the record replaced| Parsons 3 SE, 05-10 | |
|---|---|
| Oakland 1 SE, 05-10 | |
| Sines Deep Creek, 05-10 | |
| Daytona Beach, 05-08 | |
| White Sulphur Springs, 05-10 | |
| Greenville, 05-04 | |
| Clarksburg 1, 05-04 | |
| Key W Intl AP, 05-14 | |
| Jacksonville Beach, 05-10 | |
| Dwtn Charleston, 05-03 | |
| Marion, 05-12 | |
| Orlando Executive AP, 05-02 | |
| Batesburg, 05-04 | |
| Mc Minnville, 05-02 | |
| Lewisburg 3 N, 05-02 |
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 | 69 |
| 1.1 | 112 |
| 2.7 | 80 |
| 1.1 | 122 |
| 2.3 | 93 |
| 0.5 | 108 |
| 0.6 | 104 |
| 0.6 | 104 |
| 0.6 | 116 |
| 1.7 | 84 |
| 4.4 | 68 |
| 0.5 | 89 |
| 3.3 | 68 |
| 0.5 | 84 |
| 0.5 | 85 |
| 1.7 | 76 |
| 4.5 | 54 |
| 1.1 | 72 |
| 0.5 | 76 |
| 1.6 | 70 |
| 1.1 | 70 |
| 0.6 | 76 |
| 1.1 | 76 |
| 0.6 | 76 |
| 1.1 | 68 |
| 1.6 | 64 |
| 2.2 | 60 |
| 1.1 | 74 |
| 1.2 | 66 |
| 2.8 | 60 |
| 1.6 | 64 |
| 1.2 | 64 |
| 1.1 | 68 |
| 1.1 | 65 |
| 1.1 | 64 |
| 0.6 | 76 |
| 0.6 | 65 |
| 1.1 | 60 |
| 1.1 | 57 |
| 2.7 | 44 |
| 1.1 | 68 |
| 0.6 | 60 |
| 1.1 | 68 |
| 1.1 | 60 |
| 0.6 | 68 |
| 1.1 | 65 |
| 2.2 | 60 |
| 1.1 | 49 |
| 0.5 | 68 |
| 0.5 | 64 |
| 0.5 | 56 |
| 1.7 | 60 |
| 0.6 | 65 |
| 1.1 | 60 |
| 1.7 | 60 |
| 0.5 | 65 |
| 0.6 | 65 |
| 1.1 | 53 |
| 0.6 | 60 |
| 1.1 | 60 |
| 1.1 | 62 |
| 0.5 | 64 |
| 2.3 | 49 |
| 0.6 | 60 |
| 0.5 | 60 |
| 1.1 | 54 |
| 1.1 | 45 |
| 0.5 | 61 |
| 1.1 | 53 |
| 0.6 | 61 |
| 1.7 | 48 |
| 1.1 | 56 |
| 1.1 | 54 |
| 3.3 | 37 |
| 0.6 | 53 |
| 1.1 | 54 |
| 0.6 | 53 |
| 1.1 | 40 |
| 1.1 | 45 |
| 3.3 | 36 |
| 0.5 | 44 |
| 0.5 | 52 |
| 0.5 | 50 |
| 0.5 | 52 |
| 0.5 | 48 |
| 0.5 | 50 |
| 0.6 | 48 |
| 0.5 | 52 |
| 1.2 | 34 |
| 1.1 | 40 |
| 1.1 | 40 |
| 1.2 | 40 |
| 1.1 | 48 |
| 0.6 | 48 |
| 0.6 | 40 |
| 0.5 | 40 |
| 2.2 | 40 |
| 1.7 | 25 |
| 0.6 | 33 |
| 0.5 | 40 |
| 1.1 | 36 |
| 0.5 | 28 |
| 0.6 | 40 |
| 0.6 | 40 |
| 1.1 | 40 |
| 0.6 | 40 |
| 1.1 | 25 |
| 0.5 | 28 |
| 0.6 | 28 |
| 0.5 | 40 |
| 0.6 | 41 |
| 0.6 | 40 |
| 0.6 | 40 |
| 1.1 | 33 |
| 0.5 | 41 |
| 0.6 | 46 |
| 0.6 | 24 |
| 0.5 | 33 |
| 0.6 | 41 |
| 2.2 | 18 |
| 1.6 | 16 |
| 1.1 | 36 |
| 2.2 | 28 |
| 1.1 | 41 |
| 0.5 | 40 |
| 0.6 | 41 |
| 0.5 | 45 |
| 2.2 | 32 |
| 1.1 | 21 |
| 0.5 | 28 |
| 0.5 | 20 |
| 1.1 | 28 |
| 1.1 | 36 |
| 1.7 | 25 |
| 1.1 | 36 |
| 1.1 | 28 |
| 0.5 | 28 |
| 1.1 | 20 |
| 0.6 | 32 |
| 2.2 | 8 |
| 1.6 | 10 |
| 1.2 | 25 |
| 0.5 | 32 |
| 3.4 | 18 |
| 0.6 | 18 |
| 1.1 | 32 |
| 2.3 | 26 |
| 0.6 | 16 |
| 1.1 | 16 |
| 0.6 | 28 |
| 1.1 | 28 |
| 0.6 | 28 |
| 0.5 | 28 |
| 0.5 | 16 |
| 1.1 | 26 |
| 1.1 | 28 |
| 1.6 | 18 |
| 0.5 | 28 |
| 1.1 | 18 |
| 0.6 | 24 |
| 1.7 | 16 |
| 0.6 | 14 |
| 1.2 | 18 |
| 2.8 | 8 |
| 1.2 | 8 |
| 0.6 | 28 |
| 1.1 | 18 |
| 1.7 | 16 |
| 1.7 | 25 |
| 2.2 | 16 |
| 2.8 | 8 |
| 1.1 | 1 |
| 0.5 | 8 |
| 0.5 | 20 |
| 0.5 | 17 |
| 0.5 | 8 |
| 1.1 | 8 |
| 1.1 | 28 |
| 1.1 | 16 |
| 0.5 | 24 |
| 1.1 | 28 |
| 1.1 | 16 |
| 1.7 | 12 |
| 1.2 | 25 |
| 0.6 | 16 |
| 0.5 | 16 |
| 0.5 | 16 |
| 1.1 | 18 |
| 0.6 | 4 |
| 0.5 | 9 |
| 1.1 | 25 |
| 1.7 | 6 |
| 0.6 | 14 |
| 2.8 | 0 |
| 0.6 | 16 |
| 0.6 | 16 |
| 0.6 | 1 |
| 0.6 | 22 |
| 1.1 | 12 |
| 0.6 | 22 |
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 Bahamas, The, 28 April to 14 May 2019 (this event) |
Every Record Set
20 of 270| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2019-05-01 | Valley Head | Record high minimum temperature | 18.3 C (64.9 F) | 0.5 C (0.9 F) | 108 | 41 of 100 (Notable) |
| 2019-05-02 | Mc Minnville | Record high maximum temperature | 33.9 C (93.0 F) | 0.6 C (1.1 F) | 104 | 41 of 100 (Notable) |
| 2019-05-02 | Lewisburg 3 N | Record high maximum temperature | 30.6 C (87.1 F) | 0.6 C (1.1 F) | 116 | 41 of 100 (Notable) |
| 2019-05-02 | Crossville Ed & Rsch STN | Record high minimum temperature | 17.2 C (63.0 F) | 0.5 C (0.9 F) | 84 | 36 of 100 (Notable) |
| 2019-05-02 | Orlando Executive AP | Record high minimum temperature | 22.8 C (73.0 F) | 1.1 C (2.0 F) | 72 | 35 of 100 (Notable) |
| 2019-05-03 | Dwtn Charleston | Record high minimum temperature | 23.3 C (73.9 F) | 1.1 C (2.0 F) | 112 | 43 of 100 (Notable) |
| 2019-05-04 | Batesburg | Record high minimum temperature | 20.0 C (68.0 F) | 0.6 C (1.1 F) | 104 | 41 of 100 (Notable) |
| 2019-05-04 | Greenville | Record high minimum temperature | 21.1 C (70.0 F) | 1.7 C (3.1 F) | 84 | 39 of 100 (Notable) |
| 2019-05-04 | Clarksburg 1 | Record high minimum temperature | 16.7 C (62.1 F) | 1.7 C (3.1 F) | 76 | 35 of 100 (Notable) |
| 2019-05-04 | Bayard | Record high minimum temperature | 13.3 C (55.9 F) | 0.5 C (0.9 F) | 76 | 34 of 100 (Routine) |
| 2019-05-08 | Daytona Beach | Record high minimum temperature | 24.4 C (75.9 F) | 2.7 C (4.9 F) | 80 | 42 of 100 (Notable) |
| 2019-05-10 | White Sulphur Springs | Record high minimum temperature | 16.7 C (62.1 F) | 2.3 C (4.1 F) | 93 | 42 of 100 (Notable) |
| 2019-05-10 | Oakland 1 SE | Record high minimum temperature | 18.3 C (64.9 F) | 4.4 C (7.9 F) | 68 | 38 of 100 (Notable) |
| 2019-05-10 | Sines Deep Creek | Record high minimum temperature | 14.4 C (57.9 F) | 3.3 C (5.9 F) | 68 | 36 of 100 (Notable) |
| 2019-05-10 | Parsons 3 SE | Record high minimum temperature | 18.9 C (66.0 F) | 4.5 C (8.1 F) | 54 | 35 of 100 (Notable) |
| 2019-05-10 | Jacksonville Beach | Record high minimum temperature | 24.4 C (75.9 F) | 1.6 C (2.9 F) | 70 | 33 of 100 (Routine) |
| 2019-05-12 | Marion | Record high minimum temperature | 18.9 C (66.0 F) | 1.1 C (2.0 F) | 122 | 42 of 100 (Notable) |
| 2019-05-12 | Avon Park 2 W | Record high minimum temperature | 22.2 C (72.0 F) | 0.5 C (0.9 F) | 89 | 37 of 100 (Notable) |
| 2019-05-12 | Chatham | Record high minimum temperature | 18.3 C (64.9 F) | 0.5 C (0.9 F) | 85 | 35 of 100 (Notable) |
| 2019-05-14 | Key W Intl AP | Record high maximum temperature | 34.4 C (93.9 F) | 1.6 C (2.9 F) | 69 | 48 of 100 (Notable) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 270 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.