| Region | Number of Days with Extreme Precipitation (#) | Mean Precipitation of Extreme Precipitation (in) | Maximum Precipitation (in) | Day when Maximum Precipitation Occurs |
|---|---|---|---|---|
| Statewide | 0 | ***** | ***** | ****** |
| Clim. Div. 1 | 2 | 1.03 | 1.19 | 10 Jan |
| Clim. Div. 2 | 0 | ***** | ***** | ****** |
| Clim. Div. 3 | 2 | 0.69 | 0.70 | 10 Jan |
| Clim. Div. 4 | 0 | ***** | ***** | ****** |
| Clim. Div. 5 | 0 | ***** | ***** | ****** |
| Clim. Div. 6 | 0 | ***** | ***** | ****** |
| Clim. Div. 7 | 0 | ***** | ***** | ****** |
| Clim. Div. 8 | 2 | 0.79 | 0.80 | 6 Feb |
| Allegany | 1 | 0.59 | 0.59 | 10 Jan |
| Anne Arundel | 0 | ***** | ***** | ****** |
| Baltimore | 0 | ***** | ***** | ****** |
| Calvert | 1 | 0.70 | 0.70 | 10 Jan |
| Caroline | 0 | ***** | ***** | ****** |
| Carroll | 0 | ***** | ***** | ****** |
| Cecil | 0 | ***** | ***** | ****** |
| Charles | 1 | 0.67 | 0.67 | 10 Jan |
| Dorchester | 2 | 0.73 | 0.75 | 12 Feb |
| Frederick | 0 | ***** | ***** | ****** |
| Garrett | 2 | 0.79 | 0.80 | 6 Feb |
| Harford | 0 | ***** | ***** | ****** |
| Howard | 0 | ***** | ***** | ****** |
| Kent | 0 | ***** | ***** | ****** |
| Montgomery | 0 | ***** | ***** | ****** |
| Prince George's | 0 | ***** | ***** | ****** |
| Queen Anne's | 0 | ***** | ***** | ****** |
| Saint Mary's | 2 | 0.71 | 0.76 | 10 Jan |
| Somerset | 4 | 0.88 | 1.22 | 10 Jan |
| Talbot | 0 | ***** | ***** | ****** |
| Washington | 0 | ***** | ***** | ****** |
| Wicomico | 2 | 0.89 | 0.97 | 10 Jan |
| Worcester | 2 | 1.10 | 1.33 | 10 Jan |
| Baltimore City | 0 | ***** | ***** | ****** |