NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
March 2021 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| March 2021 1-Month | 2.51in (63.75mm) | 2.51in (63.75mm) | 0.00in | 75th Driest | Driest since: | 1910 |
| 57th Wettest | Wettest since: | 1973 | ||||
| Ties: 1957, 1982, 1992 | ||||||
| Feb– 2-Month | 4.53in (115.06mm) | 4.64in (117.86mm) | -0.11in | 63rd Driest | Driest since: | 1910 |
| 69th Wettest | Wettest since: | 1998 | ||||
| Ties: 1932 | ||||||
| Jan– 3-Month | 6.62in (168.15mm) | 6.96in (176.78mm) | -0.34in | 49th Driest | Driest since: | 1910 |
| 83rd Wettest | Wettest since: | 1998 | ||||
| Dec 2020– 4-Month | 8.67in (220.22mm) | 9.30in (236.22mm) | -0.63in | 34th Driest | Driest since: | 1981 |
| 97th Wettest | Wettest since: | 1983 | ||||
| Nov 2020– 5-Month | 10.61in (269.49mm) | 11.53in (292.86mm) | -0.92in | 29th Driest | Driest since: | 1977 |
| 102nd Wettest | Wettest since: | 1983 | ||||
| Ties: 1904 | ||||||
| Oct 2020– 6-Month | 12.79in (324.87mm) | 13.69in (347.73mm) | -0.90in | 33rd Driest | Driest since: | 1918 |
| 98th Wettest | Wettest since: | 1983 | ||||
| Sep 2020– 7-Month | 15.23in (386.84mm) | 16.19in (411.23mm) | -0.96in | 36th Driest | Driest since: | 1918 |
| 95th Wettest | Wettest since: | 2019 | ||||
| Aug 2020– 8-Month | 17.65in (448.31mm) | 18.81in (477.77mm) | -1.16in | 34th Driest | Driest since: | 1918 |
| 97th Wettest | Wettest since: | 2019 | ||||
| Jul 2020– 9-Month | 20.59in (522.99mm) | 21.59in (548.39mm) | -1.00in | 34th Driest | Driest since: | 1918 |
| 97th Wettest | Wettest since: | 2019 | ||||
| Jun 2020– 10-Month | 23.32in (592.33mm) | 24.51in (622.55mm) | -1.19in | 33rd Driest | Driest since: | 1918 |
| 98th Wettest | Wettest since: | 2019 | ||||
| May 2020– 11-Month | 26.41in (670.81mm) | 27.42in (696.47mm) | -1.01in | 38th Driest | Driest since: | 1918 |
| 93rd Wettest | Wettest since: | 2019 | ||||
| Apr 2020– 12-Month | 28.93in (734.82mm) | 29.95in (760.73mm) | -1.02in | 37th Driest | Driest since: | 1918 |
| 94th Wettest | Wettest since: | 2016 | ||||
| Oct 2019– 18-Month | 44.70in (1,135.38mm) | 43.66in | 1.04in | 84th Driest | Driest since: | 1918 |
| 46th Wettest | Wettest since: | 2020 | ||||
| Ties: 1970 | ||||||
| Apr 2019– 24-Month | 63.74in (1,619.00mm) | 59.89in | 3.85in | 110th Driest | Driest since: | 1918, 1955 |
| 20th Wettest | Wettest since: | 2020 | ||||
| Apr 2018– 36-Month | 99.24in (2,520.70mm) | 89.83in | 9.41in | 121st Driest | Driest since: | 1955 |
| 8th Wettest | Wettest since: | 2020 | ||||
| Apr 2017– 48-Month | 130.66in (3,318.76mm) | 119.70in | 10.96in | 123rd Driest | Driest since: | 1957 |
| 5th Wettest | Wettest since: | 2019 | ||||
| Apr 2016– 60-Month | 163.25in (4,146.55mm) | 149.54in | 13.71in | 124th Driest | Driest since: | 1957 |
| 3rd Wettest | Wettest since: | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2025, retrieved on June 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
