NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
May 1966 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| May 1966 1-Month | 2.23in (56.64mm) | 2.91in (73.91mm) | -0.68in | 9th Driest | Driest since: | 1934 |
| 122nd Wettest | Wettest since: | 2019 | ||||
| Apr– 2-Month | 4.72in (119.89mm) | 5.42in (137.67mm) | -0.70in | 21st Driest | Driest since: | 1934 |
| 110th Wettest | Wettest since: | 1957 | ||||
| Mar– 3-Month | 6.33in (160.78mm) | 7.93in (201.42mm) | -1.60in | 4th Driest | Driest since: | 1925 |
| 127th Wettest | Wettest since: | 1957, 1991 | ||||
| Feb– 4-Month | 8.67in (220.22mm) | 10.07in (255.78mm) | -1.40in | 9th Driest | Driest since: | 1925 |
| 122nd Wettest | Wettest since: | 2019 | ||||
| Jan– 5-Month | 11.03in (280.16mm) | 12.38in (314.45mm) | -1.35in | 12th Driest | Driest since: | 1934 |
| 119th Wettest | Wettest since: | 2019 | ||||
| Dec 1965– 6-Month | 13.19in (335.03mm) | 14.72in (373.89mm) | -1.53in | 15th Driest | Driest since: | 1931 |
| 115th Wettest | Wettest since: | 2019 | ||||
| Nov 1965– 7-Month | 15.18in (385.57mm) | 16.95in (430.53mm) | -1.77in | 13th Driest | Driest since: | 1934 |
| 117th Wettest | Wettest since: | 1983 | ||||
| Oct 1965– 8-Month | 16.63in (422.40mm) | 19.12in (485.65mm) | -2.49in | 11th Driest | Driest since: | 1934 |
| 119th Wettest | Wettest since: | 2019 | ||||
| Sep 1965– 9-Month | 20.16in (512.06mm) | 21.61in (548.89mm) | -1.45in | 28th Driest | Driest since: | 1934 |
| 102nd Wettest | Wettest since: | 2019 | ||||
| Aug 1965– 10-Month | 22.96in (583.18mm) | 24.23in (615.44mm) | -1.27in | 33rd Driest | Driest since: | 1918 |
| 97th Wettest | Wettest since: | 2019 | ||||
| Ties: 1900, 1944 | ||||||
| Jul 1965– 11-Month | 25.69in (652.53mm) | 27.02in (686.31mm) | -1.33in | 33rd Driest | Driest since: | 1931 |
| 97th Wettest | Wettest since: | 2019 | ||||
| Jun 1965– 12-Month | 28.93in (734.82mm) | 29.94in (760.48mm) | -1.01in | 40th Driest | Driest since: | 1934 |
| 90th Wettest | Wettest since: | 2019 | ||||
| Dec 1964– 18-Month | 44.15in (1,121.41mm) | 44.67in | -0.52in | 54th Driest | Driest since: | 1931 |
| 75th Wettest | Wettest since: | 2019 | ||||
| Jun 1964– 24-Month | 58.71in (1,491.23mm) | 59.89in | -1.18in | 40th Driest | Driest since: | 1931 |
| 89th Wettest | Wettest since: | 2020 | ||||
| Ties: 1901 | ||||||
| Jun 1963– 36-Month | 86.27in (2,191.26mm) | 89.83in | -3.56in | 24th Driest | Driest since: | 1955 |
| 104th Wettest | Wettest since: | 2019 | ||||
| Jun 1962– 48-Month | 113.59in (2,885.19mm) | 119.71in | -6.12in | 9th Driest | Driest since: | 1956 |
| 118th Wettest | Wettest since: | 2019 | ||||
| Jun 1961– 60-Month | 143.93in (3,655.82mm) | 149.56in | -5.63in | 15th Driest | Driest since: | 1957 |
| 111th 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
