Climatological Rankings
Look up monthly U.S., Statewide, Divisional
, and Regional
Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts
Maryland Precipitation Rankings, September 1975
Driest
≤1⁄10
≤1⁄3
Normal
≥1⁄3
≥1⁄10
Wettest
More information on Climatological Rankings
| Period | Amount | 20th Century Average |
Departure | Rank (out of 119 years) |
Record | Wettest/Driest Since |
|---|---|---|---|---|---|---|
| Sep 1975 1-month period |
9.18" (233.17 mm) |
3.65" (92.71 mm) |
5.53" (140.46 mm) |
117th Driest | 1941 | Driest since: 1974 |
| 2nd Wettest | 1999 | Wettest to Date |


