| Station | 7/98 - 8/99 Precipitation | Departure from Normal |
|---|---|---|
| Aberdeen | 37.64 | -14.17 |
| Annapolis | 35.77 | -13.52 |
| Baltimore City | 41.88 | -8.50 |
| BWI Airport | 32.10 | -16.27 |
| Beltsville | 30.84 | -19.16 |
| Brighton Dam | 36.38 | -13.91 |
| Chestertown | 40.91 | -9.86 |
| Cumberland | 30.57 | -11.93 |
| Emmitsburg | 38.80 | -11.12 |
| Frederick | 35.15 | -13.32 |
| Laurel | 33.51 | -17.58 |
| Mechanicsville | 34.51 | -18.48 |
| Rockville | 32.20 | -16.61 |
| Royal Oak | 40.64 | -11.60 |
| Woodstock | 38.29 | -11.46 |