NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
May 2022 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| May 2022 1-Month | 3.19in (81.03mm) | 2.91in (73.91mm) | 0.28in | 92nd Driest | Driest since: | 1934 |
| 39th Wettest | Wettest since: | 2019 | ||||
| Ties: 1947 | ||||||
| Apr– 2-Month | 5.79in (147.07mm) | 5.42in (137.67mm) | 0.37in | 89th Driest | Driest since: | 1934 |
| 42nd Wettest | Wettest since: | 1957 | ||||
| Ties: 1968 | ||||||
| Mar– 3-Month | 8.07in (204.98mm) | 7.93in (201.42mm) | 0.14in | 78th Driest | Driest since: | 1925 |
| 53rd Wettest | Wettest since: | 1957, 1991 | ||||
| Ties: 1946 | ||||||
| Feb– 4-Month | 9.83in (249.68mm) | 10.07in (255.78mm) | -0.24in | 58th Driest | Driest since: | 1925 |
| 73rd Wettest | Wettest since: | 2019 | ||||
| Ties: 1959 | ||||||
| Jan– 5-Month | 11.47in (291.34mm) | 12.38in (314.45mm) | -0.91in | 27th Driest | Driest since: | 1934 |
| 104th Wettest | Wettest since: | 2019 | ||||
| Ties: 1972 | ||||||
| Dec 2021– 6-Month | 13.87in (352.30mm) | 14.72in (373.89mm) | -0.85in | 39th Driest | Driest since: | 1931 |
| 91st Wettest | Wettest since: | 2019 | ||||
| Ties: 1987, 2014 | ||||||
| Nov 2021– 7-Month | 15.17in (385.32mm) | 16.95in (430.53mm) | -1.78in | 12th Driest | Driest since: | 1934 |
| 118th Wettest | Wettest since: | 1983 | ||||
| Oct 2021– 8-Month | 18.32in (465.33mm) | 19.12in (485.65mm) | -0.80in | 39th Driest | Driest since: | 1934 |
| 91st Wettest | Wettest since: | 2019 | ||||
| Sep 2021– 9-Month | 20.71in (526.03mm) | 21.61in (548.89mm) | -0.90in | 37th Driest | Driest since: | 1934 |
| 93rd Wettest | Wettest since: | 2019 | ||||
| Aug 2021– 10-Month | 23.85in (605.79mm) | 24.23in (615.44mm) | -0.38in | 54th Driest | Driest since: | 1918 |
| 76th Wettest | Wettest since: | 2019 | ||||
| Ties: 1985 | ||||||
| Jul 2021– 11-Month | 27.25in (692.15mm) | 27.02in (686.31mm) | 0.23in | 67th Driest | Driest since: | 1931 |
| 63rd Wettest | Wettest since: | 2019 | ||||
| Jun 2021– 12-Month | 30.22in (767.59mm) | 29.94in (760.48mm) | 0.28in | 65th Driest | Driest since: | 1934 |
| 65th Wettest | Wettest since: | 2019 | ||||
| Dec 2020– 18-Month | 43.93in (1,115.82mm) | 44.67in | -0.74in | 49th Driest | Driest since: | 1931 |
| 80th Wettest | Wettest since: | 2019 | ||||
| Jun 2020– 24-Month | 58.58in (1,487.93mm) | 59.89in | -1.31in | 37th Driest | Driest since: | 1931 |
| 92nd Wettest | Wettest since: | 2020 | ||||
| Jun 2019– 36-Month | 91.32in (2,319.53mm) | 89.83in | 1.49in | 79th Driest | Driest since: | 1955 |
| 49th Wettest | Wettest since: | 2019 | ||||
| Jun 2018– 48-Month | 129.03in (3,277.36mm) | 119.71in | 9.32in | 117th Driest | Driest since: | 1956 |
| 10th Wettest | Wettest since: | 2019 | ||||
| Jun 2017– 60-Month | 159.06in (4,040.12mm) | 149.56in | 9.50in | 113th Driest | Driest since: | 1957 |
| 13th Wettest | Wettest since: | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2025, retrieved on March 22, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
