| Region | Number of Days with Extreme Precipitation (#) | Mean Precipitation of Extreme Precipitation (in) | Maximum Precipitation (in) | Day when Maximum Precipitation Occurs |
|---|---|---|---|---|
| Statewide | 2 | 1.00 | 1.09 | 10 Jan |
| Clim. Div. 1 | 6 | 1.21 | 1.69 | 6 Mar |
| Clim. Div. 2 | 3 | 1.23 | 1.52 | 10 Jan |
| Clim. Div. 3 | 4 | 0.83 | 0.98 | 6 Mar |
| Clim. Div. 4 | 3 | 0.82 | 1.06 | 10 Jan |
| Clim. Div. 5 | 3 | 0.95 | 1.15 | 10 Jan |
| Clim. Div. 6 | 2 | 0.86 | 1.00 | 10 Jan |
| Clim. Div. 7 | 2 | 0.74 | 0.74 | 17 Mar |
| Clim. Div. 8 | 1 | 0.73 | 0.73 | 28 Feb |
| Allegany | 1 | 0.62 | 0.62 | 10 Jan |
| Anne Arundel | 3 | 0.91 | 1.16 | 10 Jan |
| Baltimore | 2 | 0.95 | 1.14 | 10 Jan |
| Calvert | 4 | 0.87 | 1.11 | 6 Mar |
| Caroline | 3 | 1.33 | 1.62 | 10 Jan |
| Carroll | 1 | 0.88 | 0.88 | 10 Jan |
| Cecil | 2 | 1.23 | 1.33 | 10 Jan |
| Charles | 3 | 0.75 | 0.77 | 10 Jan |
| Dorchester | 5 | 1.04 | 1.54 | 6 Mar |
| Frederick | 1 | 0.82 | 0.82 | 10 Jan |
| Garrett | 1 | 0.73 | 0.73 | 28 Feb |
| Harford | 2 | 0.96 | 1.11 | 10 Jan |
| Howard | 1 | 1.06 | 1.06 | 10 Jan |
| Kent | 2 | 1.03 | 1.11 | 10 Jan |
| Montgomery | 1 | 0.78 | 0.78 | 10 Jan |
| Prince George's | 1 | 1.00 | 1.00 | 10 Jan |
| Queen Anne's | 3 | 0.98 | 1.18 | 10 Jan |
| Saint Mary's | 6 | 0.88 | 1.17 | 6 Mar |
| Somerset | 7 | 1.15 | 1.68 | 6 Mar |
| Talbot | 3 | 1.11 | 1.34 | 10 Jan |
| Washington | 2 | 0.87 | 0.90 | 10 Jan |
| Wicomico | 5 | 1.24 | 1.71 | 6 Mar |
| Worcester | 6 | 1.25 | 1.70 | 6 Mar |
| Baltimore City | 2 | 1.01 | 1.21 | 10 Jan |