Warm Days (Tmax>80℉) and Spells (2 or more consecutive Warm Days)
in Maryland: January 1 - May 31, 2025
NOTE: Data From preliminary NCEI's nClimDiv-Daily Data set v1.0.0
Data labeled as scaled on June 5, 2025.
| Region | No. of Warm Days | Mean Temp among all Warm Days (℉) | Max Temp among all Warm Days (℉) | Day when Max Temp among Warm Days occurs | No. of Spells (#) | Mean Duration of Spells (days) | Longest Spell (days) | Start of the First Spell | Start of Last Spell | Mean Temp of all Temps in Spells (℉) | Mean Temp of Spells Mean Temps (℉) | Max Temp of Spells Mean Temps (℉) | No. of Spell when Max Temp of Spells Mean Temps occurs | Max Temp within all Spells (℉) | Day when Max Temp within all Spells occurs |
|---|
| Statewide | 10 | 82.4 | 85.0 | 18 May | 2 | 3 | 5 | 30 Apr | 17 May | 82.9 | 83.5 | 84.9 | 2 | 85.0 | 18 May |
| Clim. Div. 1 | 12 | 82.9 | 86.8 | 18 May | 2 | 2 | 3 | 3 May | 17 May | 84.1 | 84.0 | 84.6 | 2 | 86.8 | 18 May |
| Clim. Div. 2 | 15 | 82.8 | 87.3 | 18 May | 4 | 2 | 4 | 30 Mar | 16 May | 83.1 | 83.3 | 85.7 | 3 | 87.3 | 18 May |
| Clim. Div. 3 | 18 | 82.9 | 88.8 | 17 May | 4 | 3 | 5 | 30 Mar | 16 May | 83.6 | 83.1 | 84.7 | 4 | 88.8 | 17 May |
| Clim. Div. 4 | 13 | 82.6 | 85.7 | 17 May | 3 | 3 | 5 | 30 Mar | 17 May | 83.3 | 83.6 | 85.5 | 3 | 85.7 | 17 May |
| Clim. Div. 5 | 8 | 82.8 | 85.7 | 3 May | 2 | 2 | 2 | 3 May | 17 May | 84.4 | 84.4 | 84.5 | 1 | 85.7 | 3 May |
| Clim. Div. 6 | 10 | 82.1 | 84.5 | 3 May | 2 | 3 | 5 | 30 Apr | 17 May | 82.5 | 82.9 | 83.8 | 2 | 84.5 | 3 May |
| Clim. Div. 7 | 10 | 82.9 | 86.0 | 30 Apr | 3 | 2 | 4 | 19 Apr | 17 May | 83.4 | 83.5 | 83.9 | 3 | 86.0 | 30 Apr |
| Clim. Div. 8 | 4 | 80.8 | 81.2 | 20 Apr | 1 | 2 | 2 | 19 Apr | 19 Apr | 81.0 | 81.0 | 81.0 | 1 | 81.2 | 20 Apr |
| Allegany | 10 | 83.4 | 86.6 | 30 Apr | 3 | 2 | 3 | 19 Apr | 16 May | 83.5 | 83.6 | 84.7 | 1 | 85.7 | 20 Apr |
| Anne Arundel | 11 | 82.6 | 85.7 | 18 May | 4 | 2 | 3 | 30 Mar | 17 May | 83.0 | 83.1 | 85.1 | 4 | 85.7 | 18 May |
| Baltimore | 10 | 82.4 | 85.0 | 3 May | 2 | 3 | 5 | 30 Apr | 17 May | 82.7 | 83.1 | 84.0 | 2 | 85.0 | 3 May |
| Calvert | 14 | 83.0 | 87.7 | 17 May | 3 | 3 | 5 | 30 Mar | 16 May | 83.7 | 83.7 | 84.1 | 3 | 87.7 | 17 May |
| Caroline | 14 | 82.8 | 86.5 | 3 May | 4 | 2 | 2 | 30 Apr | 17 May | 83.9 | 83.9 | 85.8 | 2 | 86.5 | 3 May |
| Carroll | 9 | 82.1 | 83.7 | 3 May | 2 | 3 | 5 | 30 Apr | 17 May | 82.2 | 82.5 | 83.3 | 2 | 83.7 | 3 May |
| Cecil | 6 | 82.6 | 85.3 | 3 May | 2 | 2 | 2 | 3 May | 17 May | 83.3 | 83.3 | 83.8 | 1 | 85.3 | 3 May |
| Charles | 20 | 83.0 | 88.5 | 17 May | 4 | 3 | 5 | 30 Mar | 16 May | 83.9 | 83.6 | 84.6 | 3 | 88.5 | 17 May |
| Dorchester | 17 | 82.8 | 88.0 | 18 May | 3 | 3 | 5 | 30 Mar | 16 May | 83.6 | 83.3 | 84.6 | 3 | 88.0 | 18 May |
| Frederick | 10 | 82.2 | 84.6 | 17 May | 2 | 3 | 5 | 30 Apr | 17 May | 82.6 | 83.0 | 84.0 | 2 | 84.6 | 17 May |
| Garrett | 4 | 80.9 | 81.2 | 20 Apr | 1 | 2 | 2 | 19 Apr | 19 Apr | 81.0 | 81.0 | 81.0 | 1 | 81.2 | 20 Apr |
| Harford | 10 | 82.1 | 85.6 | 3 May | 4 | 2 | 2 | 30 Apr | 17 May | 82.3 | 82.3 | 84.4 | 2 | 85.6 | 3 May |
| Howard | 9 | 82.6 | 84.2 | 17 May | 2 | 3 | 5 | 30 Apr | 17 May | 82.6 | 83.0 | 84.0 | 2 | 84.2 | 17 May |
| Kent | 7 | 82.8 | 85.8 | 18 May | 2 | 2 | 2 | 3 May | 17 May | 84.1 | 84.1 | 84.3 | 1 | 85.8 | 18 May |
| Montgomery | 11 | 82.6 | 85.3 | 17 May | 3 | 3 | 5 | 30 Mar | 17 May | 82.8 | 83.1 | 84.6 | 3 | 85.3 | 17 May |
| Prince George's | 13 | 82.9 | 86.4 | 17 May | 3 | 3 | 5 | 30 Mar | 17 May | 83.6 | 84.0 | 85.8 | 3 | 86.4 | 17 May |
| Queen Anne's | 11 | 82.3 | 85.8 | 3 May | 3 | 2 | 2 | 30 Apr | 17 May | 83.3 | 83.3 | 84.7 | 2 | 85.8 | 3 May |
| Saint Mary's | 16 | 83.3 | 89.3 | 17 May | 3 | 3 | 5 | 30 Mar | 16 May | 84.4 | 84.3 | 85.3 | 3 | 89.3 | 17 May |
| Somerset | 14 | 82.9 | 87.7 | 18 May | 3 | 3 | 5 | 20 Apr | 16 May | 83.2 | 83.1 | 84.2 | 2 | 87.7 | 18 May |
| Talbot | 14 | 82.7 | 87.3 | 18 May | 4 | 2 | 3 | 30 Mar | 17 May | 83.3 | 83.3 | 85.2 | 3 | 87.3 | 18 May |
| Washington | 10 | 82.7 | 85.5 | 30 Apr | 3 | 2 | 4 | 19 Apr | 17 May | 83.1 | 83.1 | 84.4 | 3 | 85.5 | 30 Apr |
| Wicomico | 13 | 83.2 | 86.9 | 18 May | 2 | 3 | 4 | 3 May | 16 May | 84.0 | 84.2 | 84.7 | 1 | 86.9 | 18 May |
| Worcester | 11 | 82.3 | 86.1 | 18 May | 2 | 2 | 3 | 3 May | 17 May | 82.8 | 82.7 | 83.5 | 2 | 86.1 | 18 May |
| Baltimore City | 11 | 82.7 | 86.1 | 18 May | 2 | 3 | 5 | 30 Apr | 17 May | 83.1 | 83.7 | 85.0 | 2 | 86.1 | 18 May |