NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
May 1921 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| May 1921 1-Month | 2.55in (64.77mm) | 2.91in (73.91mm) | -0.36in | 27th Driest | Driest since: | 1934 |
| 104th Wettest | Wettest since: | 2019 | ||||
| Apr– 2-Month | 5.34in (135.64mm) | 5.42in (137.67mm) | -0.08in | 64th Driest | Driest since: | 1934 |
| 67th Wettest | Wettest since: | 1957 | ||||
| Mar– 3-Month | 7.86in (199.64mm) | 7.93in (201.42mm) | -0.07in | 61st Driest | Driest since: | 1925 |
| 70th Wettest | Wettest since: | 1957, 1991 | ||||
| Feb– 4-Month | 9.63in (244.60mm) | 10.07in (255.78mm) | -0.44in | 48th Driest | Driest since: | 1925 |
| 83rd Wettest | Wettest since: | 2019 | ||||
| Jan– 5-Month | 11.73in (297.94mm) | 12.38in (314.45mm) | -0.65in | 41st Driest | Driest since: | 1934 |
| 90th Wettest | Wettest since: | 2019 | ||||
| Dec 1920– 6-Month | 14.48in (367.79mm) | 14.72in (373.89mm) | -0.24in | 56th Driest | Driest since: | 1931 |
| 74th Wettest | Wettest since: | 2019 | ||||
| Nov 1920– 7-Month | 16.74in (425.20mm) | 16.95in (430.53mm) | -0.21in | 59th Driest | Driest since: | 1934 |
| 71st Wettest | Wettest since: | 1983 | ||||
| Oct 1920– 8-Month | 18.91in (480.31mm) | 19.12in (485.65mm) | -0.21in | 55th Driest | Driest since: | 1934 |
| 75th Wettest | Wettest since: | 2019 | ||||
| Sep 1920– 9-Month | 21.35in (542.29mm) | 21.61in (548.89mm) | -0.26in | 58th Driest | Driest since: | 1934 |
| 72nd Wettest | Wettest since: | 2019 | ||||
| Aug 1920– 10-Month | 24.74in (628.40mm) | 24.23in (615.44mm) | 0.51in | 73rd Driest | Driest since: | 1918 |
| 57th Wettest | Wettest since: | 2019 | ||||
| Jul 1920– 11-Month | 27.44in (696.98mm) | 27.02in (686.31mm) | 0.42in | 70th Driest | Driest since: | 1931 |
| 60th Wettest | Wettest since: | 2019 | ||||
| Jun 1920– 12-Month | 30.33in (770.38mm) | 29.94in (760.48mm) | 0.39in | 70th Driest | Driest since: | 1934 |
| 60th Wettest | Wettest since: | 2019 | ||||
| Dec 1919– 18-Month | 44.82in (1,138.43mm) | 44.67in | 0.15in | 65th Driest | Driest since: | 1931 |
| 64th Wettest | Wettest since: | 2019 | ||||
| Jun 1919– 24-Month | 61.87in (1,571.50mm) | 59.89in | 1.98in | 92nd Driest | Driest since: | 1931 |
| 37th Wettest | Wettest since: | 2020 | ||||
| Jun 1918– 36-Month | 92.11in (2,339.59mm) | 89.83in | 2.28in | 87th Driest | Driest since: | 1955 |
| 41st Wettest | Wettest since: | 2019 | ||||
| Jun 1917– 48-Month | 117.03in (2,972.56mm) | 119.71in | -2.68in | 36th Driest | Driest since: | 1956 |
| 91st Wettest | Wettest since: | 2019 | ||||
| Jun 1916– 60-Month | 145.56in (3,697.22mm) | 149.56in | -4.00in | 30th Driest | Driest since: | 1957 |
| 96th 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 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
