| Region | Number of Days with Extreme Precipitation (#) | Mean Precipitation of Extreme Precipitation (in) | Maximum Precipitation (in) | Day when Maximum Precipitation Occurs |
|---|---|---|---|---|
| Statewide | 4 | 0.91 | 1.06 | 10 Jan |
| Clim. Div. 1 | 8 | 1.23 | 1.71 | 17 Mar |
| Clim. Div. 2 | 6 | 1.10 | 1.49 | 12 Apr |
| Clim. Div. 3 | 8 | 0.90 | 1.57 | 12 Apr |
| Clim. Div. 4 | 3 | 1.00 | 1.22 | 12 Apr |
| Clim. Div. 5 | 5 | 0.98 | 1.24 | 12 Apr |
| Clim. Div. 6 | 4 | 0.77 | 0.96 | 10 Jan |
| Clim. Div. 7 | 2 | 0.68 | 0.69 | 10 Jan |
| Clim. Div. 8 | 2 | 0.84 | 0.94 | 4 Apr |
| Allegany | 1 | 0.59 | 0.59 | 3 Apr |
| Anne Arundel | 5 | 0.91 | 1.18 | 12 Apr |
| Baltimore | 4 | 0.89 | 1.10 | 10 Jan |
| Calvert | 7 | 1.01 | 1.80 | 12 Apr |
| Caroline | 6 | 1.08 | 1.44 | 10 Jan |
| Carroll | 1 | 0.84 | 0.84 | 10 Jan |
| Cecil | 5 | 1.07 | 1.28 | 10 Jan |
| Charles | 5 | 0.89 | 1.37 | 12 Apr |
| Dorchester | 8 | 1.05 | 1.57 | 12 Apr |
| Frederick | 1 | 0.78 | 0.78 | 10 Jan |
| Garrett | 2 | 0.83 | 0.93 | 4 Apr |
| Harford | 4 | 0.94 | 1.06 | 10 Jan |
| Howard | 2 | 0.88 | 1.02 | 10 Jan |
| Kent | 5 | 0.96 | 1.20 | 12 Apr |
| Montgomery | 1 | 0.77 | 0.77 | 10 Jan |
| Prince George's | 3 | 1.01 | 1.29 | 12 Apr |
| Queen Anne's | 5 | 0.99 | 1.28 | 12 Apr |
| Saint Mary's | 9 | 1.01 | 1.74 | 12 Apr |
| Somerset | 9 | 1.18 | 1.65 | 6 Mar |
| Talbot | 6 | 1.01 | 1.48 | 12 Apr |
| Washington | 2 | 0.78 | 0.79 | 10 Jan |
| Wicomico | 7 | 1.26 | 1.75 | 17 Mar |
| Worcester | 8 | 1.27 | 1.75 | 17 Mar |
| Baltimore City | 4 | 0.90 | 1.22 | 10 Jan |