NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
August 1947 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| August 1947 1-Month | 2.39in (60.71mm) | 2.62in (66.55mm) | -0.23in | 30th Driest | Driest since: | 1929 |
| 101st Wettest | Wettest since: | 1977 | ||||
| Jul– 2-Month | 4.38in (111.25mm) | 5.39in (136.91mm) | -1.01in | 5th Driest | Driest since: | 1930 |
| 126th Wettest | Wettest since: | 1915 | ||||
| Jun– 3-Month | 8.21in (208.53mm) | 8.32in (211.33mm) | -0.11in | 49th Driest | Driest since: | 1930 |
| 82nd Wettest | Wettest since: | 1928 | ||||
| May– 4-Month | 11.40in (289.56mm) | 11.23in (285.24mm) | 0.17in | 68th Driest | Driest since: | 1936 |
| 63rd Wettest | Wettest since: | 1915 | ||||
| Apr– 5-Month | 14.41in (366.01mm) | 13.74in (349.00mm) | 0.67in | 87th Driest | Driest since: | 1934 |
| 44th Wettest | Wettest since: | 2019 | ||||
| Mar– 6-Month | 16.68in (423.67mm) | 16.25in (412.75mm) | 0.43in | 75th Driest | Driest since: | 1936 |
| 56th Wettest | Wettest since: | 1905, 2019 | ||||
| Feb– 7-Month | 17.71in (449.83mm) | 18.39in (467.11mm) | -0.68in | 37th Driest | Driest since: | 1934 |
| 94th Wettest | Wettest since: | 2019 | ||||
| Jan– 8-Month | 20.14in (511.56mm) | 20.70in (525.78mm) | -0.56in | 43rd Driest | Driest since: | 1934 |
| 88th Wettest | Wettest since: | 2019 | ||||
| Dec 1946– 9-Month | 22.07in (560.58mm) | 23.04in (585.22mm) | -0.97in | 33rd Driest | Driest since: | 1931 |
| 97th Wettest | Wettest since: | 2019 | ||||
| Nov 1946– 10-Month | 25.15in (638.81mm) | 25.27in (641.86mm) | -0.12in | 54th Driest | Driest since: | 1934 |
| 76th Wettest | Wettest since: | 2019 | ||||
| Oct 1946– 11-Month | 27.87in (707.90mm) | 27.44in (696.98mm) | 0.43in | 70th Driest | Driest since: | 1934 |
| 60th Wettest | Wettest since: | 2019 | ||||
| Sep 1946– 12-Month | 30.51in (774.95mm) | 29.93in (760.22mm) | 0.58in | 71st Driest | Driest since: | 1934 |
| 59th Wettest | Wettest since: | 2019 | ||||
| Mar 1946– 18-Month | 46.61in (1,183.89mm) | 46.20in | 0.41in | 62nd Driest | Driest since: | 1931 |
| 68th Wettest | Wettest since: | 2019 | ||||
| Sep 1945– 24-Month | 61.57in (1,563.88mm) | 59.88in | 1.69in | 82nd Driest | Driest since: | 1918 |
| 47th Wettest | Wettest since: | 2020 | ||||
| Sep 1944– 36-Month | 92.69in (2,354.33mm) | 89.82in | 2.87in | 91st Driest | Driest since: | 1956 |
| 37th Wettest | Wettest since: | 2019 | ||||
| Sep 1943– 48-Month | 121.81in (3,093.97mm) | 119.71in | 2.10in | 76th Driest | Driest since: | 1956 |
| 51st Wettest | Wettest since: | 2019 | ||||
| Sep 1942– 60-Month | 151.79in (3,855.47mm) | 149.56in | 2.23in | 73rd Driest | Driest since: | 1934 |
| 53rd 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 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
