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
Oklahoma Precipitation Rankings, May 2013
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 |
|---|---|---|---|---|---|---|
| May 2013 1-month period |
5.12" (130.05 mm) |
4.90" (124.46 mm) |
0.22" (5.59 mm) |
69th Driest | 1988 | Driest since: 2012 |
| 51st Wettest | 1957 | Wettest since: 2009 |


