| Region | Number of Days with Extreme Precipitation (#) | Mean Precipitation of Extreme Precipitation (in) | Maximum Precipitation (in) | Day when Maximum Precipitation Occurs |
|---|---|---|---|---|
| Statewide | 7 | 0.78 | 1.13 | 26 Jan |
| Clim. Div. 1 | 9 | 0.91 | 1.33 | 26 Jan |
| Clim. Div. 2 | 4 | 0.93 | 1.14 | 26 Jan |
| Clim. Div. 3 | 4 | 0.93 | 1.16 | 26 Jan |
| Clim. Div. 4 | 4 | 0.93 | 1.15 | 26 Jan |
| Clim. Div. 5 | 3 | 0.92 | 1.10 | 24 May |
| Clim. Div. 6 | 6 | 0.89 | 1.17 | 26 Jan |
| Clim. Div. 7 | 5 | 0.99 | 1.43 | 23 May |
| Clim. Div. 8 | 8 | 0.89 | 1.30 | 23 May |
| Allegany | 6 | 0.94 | 1.47 | 23 May |
| Anne Arundel | 4 | 0.92 | 1.09 | 26 Jan |
| Baltimore | 4 | 1.04 | 1.36 | 26 Jan |
| Calvert | 4 | 0.95 | 1.20 | 26 Jan |
| Caroline | 5 | 0.88 | 1.20 | 26 Jan |
| Carroll | 6 | 0.89 | 1.05 | 14 May |
| Cecil | 4 | 1.01 | 1.44 | 24 May |
| Charles | 5 | 0.86 | 1.10 | 26 Jan |
| Dorchester | 4 | 0.99 | 1.22 | 26 Jan |
| Frederick | 6 | 0.95 | 1.15 | 23 May |
| Garrett | 8 | 0.89 | 1.30 | 23 May |
| Harford | 3 | 1.13 | 1.38 | 24 May |
| Howard | 7 | 0.89 | 1.27 | 26 Jan |
| Kent | 4 | 0.93 | 1.22 | 24 May |
| Montgomery | 8 | 0.87 | 1.22 | 26 Jan |
| Prince George's | 5 | 0.89 | 1.19 | 26 Jan |
| Queen Anne's | 2 | 0.95 | 1.01 | 24 May |
| Saint Mary's | 5 | 0.92 | 1.24 | 26 Jan |
| Somerset | 8 | 0.94 | 1.33 | 26 Jan |
| Talbot | 3 | 0.88 | 0.97 | 23 Feb |
| Washington | 7 | 0.89 | 1.39 | 23 May |
| Wicomico | 7 | 0.93 | 1.32 | 26 Jan |
| Worcester | 9 | 0.95 | 1.35 | 26 Jan |
| Baltimore City | 5 | 1.01 | 1.46 | 26 Jan |