NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
May 1939 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| May 1939 1-Month | 2.20in (55.88mm) | 2.91in (73.91mm) | -0.71in | 6th Driest | Driest since: | 1934 |
| 125th Wettest | Wettest since: | 2019 | ||||
| Ties: 1926 | ||||||
| Apr– 2-Month | 4.35in (110.49mm) | 5.42in (137.67mm) | -1.07in | 5th Driest | Driest since: | 1934 |
| 126th Wettest | Wettest since: | 1957 | ||||
| Mar– 3-Month | 6.42in (163.07mm) | 7.93in (201.42mm) | -1.51in | 6th Driest | Driest since: | 1925 |
| 125th Wettest | Wettest since: | 1957, 1991 | ||||
| Feb– 4-Month | 9.35in (237.49mm) | 10.07in (255.78mm) | -0.72in | 30th Driest | Driest since: | 1925 |
| 101st Wettest | Wettest since: | 2019 | ||||
| Jan– 5-Month | 11.83in (300.48mm) | 12.38in (314.45mm) | -0.55in | 46th Driest | Driest since: | 1934 |
| 85th Wettest | Wettest since: | 2019 | ||||
| Dec 1938– 6-Month | 13.54in (343.92mm) | 14.72in (373.89mm) | -1.18in | 25th Driest | Driest since: | 1931 |
| 105th Wettest | Wettest since: | 2019 | ||||
| Nov 1938– 7-Month | 15.55in (394.97mm) | 16.95in (430.53mm) | -1.40in | 22nd Driest | Driest since: | 1934 |
| 108th Wettest | Wettest since: | 1983 | ||||
| Oct 1938– 8-Month | 16.85in (427.99mm) | 19.12in (485.65mm) | -2.27in | 12th Driest | Driest since: | 1934 |
| 118th Wettest | Wettest since: | 2019 | ||||
| Sep 1938– 9-Month | 19.30in (490.22mm) | 21.61in (548.89mm) | -2.31in | 16th Driest | Driest since: | 1934 |
| 114th Wettest | Wettest since: | 2019 | ||||
| Aug 1938– 10-Month | 21.36in (542.54mm) | 24.23in (615.44mm) | -2.87in | 11th Driest | Driest since: | 1918 |
| 119th Wettest | Wettest since: | 2019 | ||||
| Jul 1938– 11-Month | 24.69in (627.13mm) | 27.02in (686.31mm) | -2.33in | 16th Driest | Driest since: | 1931 |
| 114th Wettest | Wettest since: | 2019 | ||||
| Jun 1938– 12-Month | 27.81in (706.37mm) | 29.94in (760.48mm) | -2.13in | 19th Driest | Driest since: | 1934 |
| 111th Wettest | Wettest since: | 2019 | ||||
| Dec 1937– 18-Month | 43.98in (1,117.09mm) | 44.67in | -0.69in | 50th Driest | Driest since: | 1931 |
| 79th Wettest | Wettest since: | 2019 | ||||
| Jun 1937– 24-Month | 59.03in (1,499.36mm) | 59.89in | -0.86in | 48th Driest | Driest since: | 1931 |
| 81st Wettest | Wettest since: | 2020 | ||||
| Jun 1936– 36-Month | 87.47in (2,221.74mm) | 89.83in | -2.36in | 38th Driest | Driest since: | 1955 |
| 90th Wettest | Wettest since: | 2019 | ||||
| Jun 1935– 48-Month | 115.51in (2,933.95mm) | 119.71in | -4.20in | 27th Driest | Driest since: | 1956 |
| 100th Wettest | Wettest since: | 2019 | ||||
| Jun 1934– 60-Month | 145.18in (3,687.57mm) | 149.56in | -4.38in | 28th Driest | Driest since: | 1957 |
| 98th 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 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
