Hot Days (Tmax>86℉) and Waves (2 or more Consecutive Hot Days) in Maryland
1951-2000 Climatology: January 1 - December 31
NOTE: Data From NCEI's nClimDiv-Daily data set v1.0.0.
Data labeled as scaled on November 11, 2024.
| Region | No. of Hot Days | Mean Temp among all Hot Days (℉) | Max Temp among all Hot Days (℉) | Day when Max Temp among Hot Days occurs | No. of Waves (#) | Mean Duration of Waves (days) | Longest Wave (days) | Start of the First Wave | Start of Last Wave | Mean Temp of all Temps in Waves (℉) | Mean Temp of Waves Mean Temps (℉) | Max Temp of Waves Mean Temps (℉) | No. of Wave when Max Temp of Waves Mean Temps occurs | Max Temp within all Waves (℉) | Day when Max Temp within all Waves occurs |
|---|
| Statewide | 41 | 89.2 | 94.9 | 18 Jul | 9 | 4 | 10 | 1 Jun | 2 Sep | 89.4 | 89.0 | 91.5 | 5 | 94.9 | 18 Jul |
| Clim. Div. 1 | 43 | 89.3 | 95.5 | 22 Jul | 9 | 4 | 11 | 3 Jun | 4 Sep | 89.5 | 89.1 | 91.8 | 4 | 95.5 | 20 Jul |
| Clim. Div. 2 | 50 | 89.7 | 96.2 | 17 Jul | 10 | 5 | 12 | 27 May | 7 Sep | 89.9 | 89.4 | 92.2 | 4 | 96.2 | 17 Jul |
| Clim. Div. 3 | 52 | 89.8 | 96.1 | 18 Jul | 10 | 5 | 12 | 25 May | 10 Sep | 90.0 | 89.5 | 92.4 | 5 | 96.1 | 18 Jul |
| Clim. Div. 4 | 52 | 89.9 | 96.4 | 18 Jul | 11 | 5 | 12 | 19 May | 7 Sep | 90.1 | 89.5 | 92.5 | 6 | 96.4 | 18 Jul |
| Clim. Div. 5 | 49 | 89.7 | 96.4 | 19 Jul | 9 | 5 | 12 | 28 May | 5 Sep | 89.9 | 89.4 | 92.2 | 5 | 96.4 | 19 Jul |
| Clim. Div. 6 | 41 | 89.4 | 95.2 | 17 Jul | 9 | 4 | 10 | 27 May | 1 Sep | 89.6 | 89.2 | 91.8 | 5 | 95.2 | 17 Jul |
| Clim. Div. 7 | 42 | 89.3 | 95.3 | 21 Jul | 9 | 4 | 10 | 25 May | 3 Sep | 89.6 | 89.1 | 92.0 | 5 | 95.3 | 20 Jul |
| Clim. Div. 8 | 5 | 87.4 | 88.8 | 20 Jul | 1 | 3 | 4 | 10 Jul | 4 Aug | 87.8 | 87.7 | 88.4 | 2 | 89.5 | 26 Jul |
| Allegany | 39 | 89.1 | 94.7 | 22 Jul | 8 | 4 | 10 | 26 May | 3 Sep | 89.3 | 88.9 | 91.5 | 5 | 94.7 | 22 Jul |
| Anne Arundel | 51 | 89.9 | 96.6 | 19 Jul | 10 | 5 | 12 | 25 May | 7 Sep | 90.1 | 89.5 | 92.5 | 5 | 96.6 | 19 Jul |
| Baltimore | 44 | 89.5 | 95.7 | 17 Jul | 9 | 4 | 10 | 25 May | 3 Sep | 89.8 | 89.2 | 92.2 | 5 | 95.7 | 17 Jul |
| Calvert | 47 | 89.6 | 95.8 | 20 Jul | 10 | 5 | 11 | 30 May | 7 Sep | 89.8 | 89.4 | 92.1 | 5 | 95.8 | 20 Jul |
| Caroline | 52 | 89.8 | 96.6 | 14 Jul | 10 | 5 | 12 | 23 May | 7 Sep | 90.0 | 89.4 | 92.5 | 5 | 96.6 | 14 Jul |
| Carroll | 37 | 89.3 | 94.9 | 17 Jul | 8 | 4 | 9 | 28 May | 29 Aug | 89.5 | 89.1 | 91.6 | 5 | 94.8 | 16 Jul |
| Cecil | 40 | 89.4 | 95.7 | 16 Jul | 8 | 4 | 10 | 30 May | 30 Aug | 89.6 | 89.1 | 91.8 | 4 | 95.7 | 16 Jul |
| Charles | 56 | 90.0 | 96.7 | 17 Jul | 11 | 5 | 13 | 20 May | 11 Sep | 90.2 | 89.7 | 92.7 | 6 | 96.7 | 17 Jul |
| Dorchester | 50 | 89.6 | 96.1 | 19 Jul | 10 | 5 | 12 | 29 May | 9 Sep | 89.8 | 89.3 | 92.2 | 5 | 96.1 | 19 Jul |
| Frederick | 39 | 89.4 | 95.1 | 17 Jul | 9 | 4 | 9 | 27 May | 3 Sep | 89.5 | 89.1 | 91.8 | 5 | 95.1 | 18 Jul |
| Garrett | 5 | 87.4 | 88.7 | 19 Jul | 1 | 3 | 4 | 10 Jul | 4 Aug | 87.8 | 87.7 | 88.4 | 2 | 89.5 | 26 Jul |
| Harford | 43 | 89.5 | 95.8 | 17 Jul | 9 | 4 | 10 | 25 May | 1 Sep | 89.7 | 89.2 | 92.2 | 5 | 95.8 | 17 Jul |
| Howard | 41 | 89.4 | 95.2 | 16 Jul | 9 | 4 | 10 | 25 May | 2 Sep | 89.7 | 89.2 | 91.9 | 5 | 95.2 | 16 Jul |
| Kent | 47 | 89.6 | 96.3 | 20 Jul | 9 | 5 | 11 | 29 May | 4 Sep | 89.9 | 89.3 | 92.1 | 5 | 96.3 | 20 Jul |
| Montgomery | 41 | 89.4 | 95.1 | 17 Jul | 9 | 4 | 10 | 25 May | 3 Sep | 89.6 | 89.1 | 91.9 | 5 | 95.1 | 17 Jul |
| Prince George's | 53 | 89.9 | 96.5 | 18 Jul | 11 | 5 | 12 | 18 May | 9 Sep | 90.1 | 89.5 | 92.6 | 6 | 96.5 | 18 Jul |
| Queen Anne's | 50 | 89.7 | 96.4 | 19 Jul | 10 | 5 | 12 | 26 May | 6 Sep | 89.9 | 89.4 | 92.3 | 5 | 96.4 | 19 Jul |
| Saint Mary's | 49 | 89.7 | 95.8 | 20 Jul | 10 | 5 | 12 | 30 May | 8 Sep | 89.8 | 89.4 | 92.1 | 5 | 95.8 | 20 Jul |
| Somerset | 44 | 89.4 | 95.6 | 21 Jul | 9 | 5 | 11 | 2 Jun | 5 Sep | 89.6 | 89.1 | 91.9 | 4 | 95.6 | 22 Jul |
| Talbot | 50 | 89.6 | 96.3 | 20 Jul | 10 | 5 | 12 | 28 May | 7 Sep | 89.8 | 89.4 | 92.2 | 5 | 96.3 | 20 Jul |
| Washington | 46 | 89.6 | 96.1 | 20 Jul | 10 | 4 | 10 | 24 May | 5 Sep | 89.8 | 89.3 | 92.3 | 5 | 96.0 | 20 Jul |
| Wicomico | 48 | 89.6 | 96.0 | 18 Jul | 10 | 5 | 11 | 27 May | 6 Sep | 89.7 | 89.3 | 92.2 | 4 | 96.0 | 18 Jul |
| Worcester | 38 | 89.1 | 95.1 | 22 Jul | 8 | 4 | 10 | 5 Jun | 2 Sep | 89.3 | 89.0 | 91.6 | 4 | 95.1 | 20 Jul |
| Baltimore City | 52 | 89.9 | 96.9 | 19 Jul | 10 | 5 | 12 | 21 May | 6 Sep | 90.1 | 89.6 | 92.5 | 5 | 96.9 | 19 Jul |