Heat wave in United States and Bahamas, The, 1 to 13 August 2018
Heat wave in United States and Bahamas, The, 1 to 13 August 2018: 243 records at 158 stations, peak on 6 August 2018. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Heat wave in United States and Bahamas, The, 1 to 13 August 2018 set or tied 243 station records at 158 stations.
- It ran from 1 August 2018 to 13 August 2018 (13 days) and its peak day was 6 August 2018.
- Status: closed.
- Avon Park 2 W set a daily record high minimum temperature of 25.6 C (78.1 F) on 2 August 2018.
- The busiest day was 6 August 2018 with 61 records.
- The oldest broken record in the ranked list had stood for 123 years.
Footprint
1 to 13 August 2018| Station | Type | Value | Date |
|---|---|---|---|
| Avon Park 2 W | Record high minimum temperature | 25.6 C (78.1 F) | 2018-08-02 |
| Middleboro | Record high minimum temperature | 23.3 C (73.9 F) | 2018-08-03 |
| Lewisburg 3 N | Record high minimum temperature | 22.2 C (72.0 F) | 2018-08-09 |
| Inverness 3 SE | Record high minimum temperature | 25.0 C (77.0 F) | 2018-08-06 |
| Salisbury | Record high minimum temperature | 25.6 C (78.1 F) | 2018-08-10 |
| Warren | Record high minimum temperature | 21.1 C (70.0 F) | 2018-08-08 |
| Brockton | Record high minimum temperature | 23.3 C (73.9 F) | 2018-08-08 |
| Coldwater St School | Record high minimum temperature | 22.8 C (73.0 F) | 2018-08-05 |
| Grayling | Record high minimum temperature | 22.2 C (72.0 F) | 2018-08-05 |
| Oconto 4 W | Record high minimum temperature | 21.1 C (70.0 F) | 2018-08-05 |
| Saginaw Mbs Intl AP | Record high minimum temperature | 22.2 C (72.0 F) | 2018-08-05 |
| Lake City Exp Farm | Record high minimum temperature | 20.6 C (69.1 F) | 2018-08-06 |
| Plant City | Record high maximum temperature | 36.7 C (98.1 F) | 2018-08-08 |
| Tullahoma | Record high minimum temperature | 23.3 C (73.9 F) | 2018-08-07 |
| Greenville Muni AP | Record high minimum temperature | 19.4 C (66.9 F) | 2018-08-07 |
| Belfast | Record high minimum temperature | 20.6 C (69.1 F) | 2018-08-08 |
Records per Day
Peak day 61| Date | Records |
|---|---|
| 2018-08-01 | 6 |
| 2018-08-02 | 7 |
| 2018-08-03 | 19 |
| 2018-08-04 | 11 |
| 2018-08-05 | 28 |
| 2018-08-06 | 61 |
| 2018-08-07 | 43 |
| 2018-08-08 | 31 |
| 2018-08-09 | 29 |
| 2018-08-10 | 5 |
| 2018-08-11 | 2 |
| 2018-08-13 | 1 |
Top Records by Margin
Margin over the record replaced| Middleboro, 08-03 | |
|---|---|
| Belfast, 08-08 | |
| Brockton, 08-02 | |
| Middleboro, 08-09 | |
| Avon Park 2 W, 08-02 | |
| Salisbury, 08-10 | |
| Lewisburg 3 N, 08-09 | |
| Warren, 08-08 | |
| Greenville Muni AP, 08-07 | |
| Greenville Muni AP, 08-08 | |
| Inverness 3 SE, 08-06 | |
| Avon Park 2 W, 08-07 | |
| Plant City, 08-08 | |
| Coldwater St School, 08-05 | |
| Lake City Exp Farm, 08-06 |
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 |
|---|---|
| 1.2 | 121 |
| 2.7 | 116 |
| 1.1 | 79 |
| 0.6 | 118 |
| 1.2 | 123 |
| 0.6 | 93 |
| 1.6 | 119 |
| 1.1 | 101 |
| 0.6 | 93 |
| 0.5 | 101 |
| 0.6 | 100 |
| 0.5 | 107 |
| 0.6 | 115 |
| 0.5 | 117 |
| 0.5 | 101 |
| 2.2 | 84 |
| 0.5 | 99 |
| 1.1 | 93 |
| 2.3 | 71 |
| 1.1 | 92 |
| 1.1 | 88 |
| 0.6 | 92 |
| 1.7 | 80 |
| 1.1 | 88 |
| 1.1 | 89 |
| 2.2 | 80 |
| 0.5 | 87 |
| 1.1 | 80 |
| 1.1 | 80 |
| 1.1 | 80 |
| 1.1 | 80 |
| 0.5 | 80 |
| 0.6 | 80 |
| 1.1 | 80 |
| 0.5 | 76 |
| 0.5 | 80 |
| 0.5 | 72 |
| 1.1 | 71 |
| 2.2 | 48 |
| 0.6 | 77 |
| 1.2 | 63 |
| 1.6 | 63 |
| 2.8 | 44 |
| 1.1 | 71 |
| 1.7 | 63 |
| 1.7 | 52 |
| 0.5 | 68 |
| 2.3 | 49 |
| 1.7 | 63 |
| 0.5 | 69 |
| 1.6 | 63 |
| 0.5 | 63 |
| 1.7 | 57 |
| 0.6 | 65 |
| 0.6 | 64 |
| 1.1 | 63 |
| 0.6 | 63 |
| 1.1 | 63 |
| 0.6 | 63 |
| 1.7 | 48 |
| 0.6 | 17 |
| 2.2 | 55 |
| 0.6 | 63 |
| 0.5 | 63 |
| 1.2 | 41 |
| 0.6 | 47 |
| 2.2 | 39 |
| 0.5 | 49 |
| 0.5 | 63 |
| 0.6 | 57 |
| 1.1 | 52 |
| 1.6 | 48 |
| 1.6 | 49 |
| 1.6 | 52 |
| 0.5 | 49 |
| 1.1 | 52 |
| 1.6 | 52 |
| 3.3 | 37 |
| 1.1 | 40 |
| 1.1 | 52 |
| 1.1 | 52 |
| 3.3 | 37 |
| 1.7 | 44 |
| 4.4 | 16 |
| 1.1 | 52 |
| 0.6 | 40 |
| 1.1 | 39 |
| 1.7 | 48 |
| 1.7 | 37 |
| 0.5 | 52 |
| 1.1 | 49 |
| 0.6 | 52 |
| 0.6 | 52 |
| 0.6 | 28 |
| 0.6 | 39 |
| 0.6 | 32 |
| 0.5 | 52 |
| 1.1 | 44 |
| 0.5 | 52 |
| 0.6 | 52 |
| 0.6 | 33 |
| 0.6 | 44 |
| 0.5 | 49 |
| 0.6 | 52 |
| 1.1 | 37 |
| 1.1 | 37 |
| 2.3 | 29 |
| 1.1 | 29 |
| 1.2 | 40 |
| 1.1 | 37 |
| 1.7 | 37 |
| 1.1 | 29 |
| 1.6 | 21 |
| 1.6 | 39 |
| 0.6 | 37 |
| 0.6 | 40 |
| 1.7 | 29 |
| 0.5 | 44 |
| 0.6 | 29 |
| 0.5 | 40 |
| 1.1 | 39 |
| 0.6 | 28 |
| 0.5 | 29 |
| 1.7 | 29 |
| 0.5 | 39 |
| 1.7 | 29 |
| 0.6 | 37 |
| 0.5 | 40 |
| 0.6 | 24 |
| 2.8 | 16 |
| 0.5 | 39 |
| 1.1 | 39 |
| 1.1 | 29 |
| 0.5 | 37 |
| 0.6 | 40 |
| 0.6 | 40 |
| 0.6 | 37 |
| 0.5 | 33 |
| 1.7 | 32 |
| 0.6 | 7 |
| 0.5 | 40 |
| 0.6 | 33 |
| 2.3 | 16 |
| 0.5 | 39 |
| 0.6 | 37 |
| 0.6 | 37 |
| 0.5 | 35 |
| 0.6 | 23 |
| 0.5 | 40 |
| 0.6 | 7 |
| 0.6 | 13 |
| 1.0 | 12 |
| 0.6 | 29 |
| 0.6 | 35 |
| 0.5 | 29 |
| 0.6 | 33 |
| 1.1 | 29 |
| 1.2 | 16 |
| 1.1 | 28 |
| 0.5 | 29 |
| 0.6 | 29 |
| 0.6 | 33 |
| 1.6 | 16 |
| 1.1 | 28 |
| 1.1 | 29 |
| 0.6 | 29 |
| 0.5 | 15 |
| 2.2 | 21 |
| 1.1 | 29 |
| 0.6 | 29 |
| 1.1 | 33 |
| 1.1 | 21 |
| 0.6 | 16 |
| 1.1 | 16 |
| 0.6 | 29 |
| 1.1 | 29 |
| 0.5 | 28 |
| 1.2 | 15 |
| 0.5 | 29 |
| 1.7 | 16 |
| 1.1 | 29 |
| 1.7 | 11 |
| 1.1 | 29 |
| 0.6 | 29 |
| 1.1 | 21 |
| 2.2 | 5 |
| 1.1 | 24 |
| 0.6 | 7 |
| 1.1 | 16 |
| 0.5 | 21 |
| 0.6 | 21 |
| 0.5 | 16 |
| 0.6 | 16 |
| 1.1 | 16 |
| 0.6 | 16 |
| 0.6 | 16 |
| 0.5 | 16 |
| 1.1 | 21 |
| 0.5 | 16 |
| 0.5 | 16 |
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, 1 to 13 August 2018 (this event) |
Every Record Set
20 of 243| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2018-08-02 | Avon Park 2 W | Record high minimum temperature | 25.6 C (78.1 F) | 1.2 C (2.2 F) | 121 | 50 of 100 (Notable) |
| 2018-08-02 | Brockton | Record high minimum temperature | 25.0 C (77.0 F) | 2.2 C (4.0 F) | 84 | 40 of 100 (Notable) |
| 2018-08-03 | Middleboro | Record high minimum temperature | 23.3 C (73.9 F) | 2.7 C (4.9 F) | 116 | 46 of 100 (Notable) |
| 2018-08-05 | Coldwater St School | Record high minimum temperature | 22.8 C (73.0 F) | 0.6 C (1.1 F) | 100 | 41 of 100 (Notable) |
| 2018-08-05 | Grayling | Record high minimum temperature | 22.2 C (72.0 F) | 0.5 C (0.9 F) | 107 | 41 of 100 (Notable) |
| 2018-08-05 | Oconto 4 W | Record high minimum temperature | 21.1 C (70.0 F) | 0.5 C (0.9 F) | 117 | 41 of 100 (Notable) |
| 2018-08-05 | Saginaw Mbs Intl AP | Record high minimum temperature | 22.2 C (72.0 F) | 0.5 C (0.9 F) | 101 | 41 of 100 (Notable) |
| 2018-08-06 | Inverness 3 SE | Record high minimum temperature | 25.0 C (77.0 F) | 0.6 C (1.1 F) | 118 | 44 of 100 (Notable) |
| 2018-08-06 | Lake City Exp Farm | Record high minimum temperature | 20.6 C (69.1 F) | 0.6 C (1.1 F) | 115 | 41 of 100 (Notable) |
| 2018-08-07 | Avon Park 2 W | Record high minimum temperature | 25.6 C (78.1 F) | 0.6 C (1.1 F) | 93 | 43 of 100 (Notable) |
| 2018-08-07 | Tullahoma | Record high minimum temperature | 23.3 C (73.9 F) | 0.5 C (0.9 F) | 99 | 40 of 100 (Notable) |
| 2018-08-07 | Greenville Muni AP | Record high minimum temperature | 19.4 C (66.9 F) | 1.1 C (2.0 F) | 93 | 39 of 100 (Notable) |
| 2018-08-08 | Warren | Record high minimum temperature | 21.1 C (70.0 F) | 1.1 C (2.0 F) | 101 | 42 of 100 (Notable) |
| 2018-08-08 | Plant City | Record high maximum temperature | 36.7 C (98.1 F) | 0.6 C (1.1 F) | 93 | 41 of 100 (Notable) |
| 2018-08-08 | Brockton | Record high minimum temperature | 23.3 C (73.9 F) | 0.5 C (0.9 F) | 101 | 41 of 100 (Notable) |
| 2018-08-08 | Belfast | Record high minimum temperature | 20.6 C (69.1 F) | 2.3 C (4.1 F) | 71 | 38 of 100 (Notable) |
| 2018-08-08 | Greenville Muni AP | Record high minimum temperature | 17.8 C (64.0 F) | 1.1 C (2.0 F) | 92 | 38 of 100 (Notable) |
| 2018-08-09 | Lewisburg 3 N | Record high minimum temperature | 22.2 C (72.0 F) | 1.1 C (2.0 F) | 79 | 46 of 100 (Notable) |
| 2018-08-09 | Middleboro | Record high minimum temperature | 23.3 C (73.9 F) | 1.6 C (2.9 F) | 119 | 43 of 100 (Notable) |
| 2018-08-10 | Salisbury | Record high minimum temperature | 25.6 C (78.1 F) | 1.2 C (2.2 F) | 123 | 44 of 100 (Notable) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 243 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.