| Region | Number of Dry Spells | Mean Duration of Dry Spells (days) | Longest Dry Spell (days) | Day when Longest Dry Spell Starts |
|---|---|---|---|---|
| Statewide | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 1 | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 2 | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 3 | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 4 | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 5 | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 6 | 6 | 8 | 20 | 27 Jan |
| Clim. Div. 7 | 5 | 10 | 20 | 27 Jan |
| Clim. Div. 8 | 7 | 5 | 11 | 27 Jan |
| Allegany | 6 | 8 | 20 | 27 Jan |
| Anne Arundel | 6 | 8 | 20 | 27 Jan |
| Baltimore | 6 | 8 | 20 | 27 Jan |
| Calvert | 6 | 8 | 20 | 27 Jan |
| Caroline | 6 | 8 | 20 | 27 Jan |
| Carroll | 6 | 8 | 20 | 27 Jan |
| Cecil | 6 | 8 | 20 | 27 Jan |
| Charles | 6 | 8 | 20 | 27 Jan |
| Dorchester | 6 | 7 | 20 | 27 Jan |
| Frederick | 6 | 8 | 20 | 27 Jan |
| Garrett | 7 | 5 | 11 | 27 Jan |
| Harford | 6 | 8 | 20 | 27 Jan |
| Howard | 6 | 8 | 20 | 27 Jan |
| Kent | 6 | 8 | 20 | 27 Jan |
| Montgomery | 6 | 8 | 20 | 27 Jan |
| Prince George's | 6 | 8 | 20 | 27 Jan |
| Queen Anne's | 6 | 8 | 20 | 27 Jan |
| Saint Mary's | 6 | 8 | 20 | 27 Jan |
| Somerset | 6 | 8 | 20 | 27 Jan |
| Talbot | 6 | 8 | 20 | 27 Jan |
| Washington | 5 | 10 | 20 | 27 Jan |
| Wicomico | 6 | 8 | 20 | 27 Jan |
| Worcester | 6 | 8 | 20 | 27 Jan |
| Baltimore City | 6 | 8 | 20 | 27 Jan |