NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
May 2012 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| May 2012 1-Month | 2.50in (63.50mm) | 2.91in (73.91mm) | -0.41in | 25th Driest | Driest since: | 1934 |
| 106th 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 | ||||
| Ties: 1966 | ||||||
| Mar– 3-Month | 7.59in (192.79mm) | 7.93in (201.42mm) | -0.34in | 49th Driest | Driest since: | 1925 |
| 82nd Wettest | Wettest since: | 1957, 1991 | ||||
| Feb– 4-Month | 9.44in (239.78mm) | 10.07in (255.78mm) | -0.63in | 34th Driest | Driest since: | 1925 |
| 97th Wettest | Wettest since: | 2019 | ||||
| Jan– 5-Month | 11.53in (292.86mm) | 12.38in (314.45mm) | -0.85in | 31st Driest | Driest since: | 1934 |
| 100th Wettest | Wettest since: | 2019 | ||||
| Dec 2011– 6-Month | 13.79in (350.27mm) | 14.72in (373.89mm) | -0.93in | 35th Driest | Driest since: | 1931 |
| 95th Wettest | Wettest since: | 2019 | ||||
| Nov 2011– 7-Month | 16.26in (413.00mm) | 16.95in (430.53mm) | -0.69in | 44th Driest | Driest since: | 1934 |
| 86th Wettest | Wettest since: | 1983 | ||||
| Ties: 1914, 1968 | ||||||
| Oct 2011– 8-Month | 18.40in (467.36mm) | 19.12in (485.65mm) | -0.72in | 41st Driest | Driest since: | 1934 |
| 89th Wettest | Wettest since: | 2019 | ||||
| Sep 2011– 9-Month | 20.88in (530.35mm) | 21.61in (548.89mm) | -0.73in | 45th Driest | Driest since: | 1934 |
| 85th Wettest | Wettest since: | 2019 | ||||
| Aug 2011– 10-Month | 23.22in (589.79mm) | 24.23in (615.44mm) | -1.01in | 38th Driest | Driest since: | 1918 |
| 92nd Wettest | Wettest since: | 2019 | ||||
| Jul 2011– 11-Month | 25.66in (651.76mm) | 27.02in (686.31mm) | -1.36in | 32nd Driest | Driest since: | 1931 |
| 98th Wettest | Wettest since: | 2019 | ||||
| Jun 2011– 12-Month | 28.24in (717.30mm) | 29.94in (760.48mm) | -1.70in | 27th Driest | Driest since: | 1934 |
| 103rd Wettest | Wettest since: | 2019 | ||||
| Dec 2010– 18-Month | 44.07in (1,119.38mm) | 44.67in | -0.60in | 52nd Driest | Driest since: | 1931 |
| 77th Wettest | Wettest since: | 2019 | ||||
| Jun 2010– 24-Month | 60.36in (1,533.14mm) | 59.89in | 0.47in | 67th Driest | Driest since: | 1931 |
| 62nd Wettest | Wettest since: | 2020 | ||||
| Jun 2009– 36-Month | 93.29in (2,369.57mm) | 89.83in | 3.46in | 98th Driest | Driest since: | 1955 |
| 30th Wettest | Wettest since: | 2019 | ||||
| Jun 2008– 48-Month | 123.77in (3,143.76mm) | 119.71in | 4.06in | 98th Driest | Driest since: | 1956 |
| 29th Wettest | Wettest since: | 2019 | ||||
| Jun 2007– 60-Month | 154.15in (3,915.41mm) | 149.56in | 4.59in | 95th Driest | Driest since: | 1957 |
| 31st 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
