NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
October 2018 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| October 2018 1-Month | 3.43in (87.12mm) | 2.16in (54.86mm) | 1.27in | 125th Driest | Driest since: | 1952 |
| 6th Wettest | Wettest since: | 2009 | ||||
| Sep– 2-Month | 7.00in (177.80mm) | 4.65in (118.11mm) | 2.35in | 130th Driest | Driest since: | 1952 |
| 1st Wettest | Wettest to Date | 2018 | ||||
| Aug– 3-Month | 9.98in (253.49mm) | 7.26in (184.40mm) | 2.72in | 130th Driest | Driest since: | 1952 |
| 1st Wettest | Wettest to Date | 2018 | ||||
| Jul– 4-Month | 12.84in (326.14mm) | 10.04in (255.02mm) | 2.80in | 129th Driest | Driest since: | 1952 |
| 2nd Wettest | Wettest since: | 1941 | ||||
| Jun– 5-Month | 15.99in (406.15mm) | 12.96in (329.18mm) | 3.03in | 129th Driest | Driest since: | 1952 |
| 2nd Wettest | Wettest since: | 1941 | ||||
| May– 6-Month | 19.00in (482.60mm) | 15.87in (403.10mm) | 3.13in | 128th Driest | Driest since: | 1952 |
| 3rd Wettest | Wettest since: | 1941 | ||||
| Apr– 7-Month | 21.46in (545.08mm) | 18.39in (467.11mm) | 3.07in | 125th Driest | Driest since: | 1952 |
| 6th Wettest | Wettest since: | 1941 | ||||
| Mar– 8-Month | 23.93in (607.82mm) | 20.90in (530.86mm) | 3.03in | 125th Driest | Driest since: | 1956 |
| 6th Wettest | Wettest since: | 2019 | ||||
| Feb– 9-Month | 26.81in (680.97mm) | 23.03in (584.96mm) | 3.78in | 129th Driest | Driest since: | 1934 |
| 2nd Wettest | Wettest to Date | 2019 | ||||
| Jan– 10-Month | 28.66in (727.96mm) | 25.34in (643.64mm) | 3.32in | 126th Driest | Driest since: | 1934 |
| 5th Wettest | Wettest since: | 2019 | ||||
| Dec 2017– 11-Month | 30.25in (768.35mm) | 27.69in (703.33mm) | 2.56in | 114th Driest | Driest since: | 1931 |
| 16th Wettest | Wettest since: | 2019 | ||||
| Nov 2017– 12-Month | 31.87in (809.50mm) | 29.92in (759.97mm) | 1.95in | 101st Driest | Driest since: | 1934 |
| 29th Wettest | Wettest since: | 2019 | ||||
| May 2017– 18-Month | 49.38in (1,254.25mm) | 45.81in | 3.57in | 113th Driest | Driest since: | 1931 |
| 17th Wettest | Wettest since: | 2019 | ||||
| Nov 2016– 24-Month | 65.42in (1,661.67mm) | 59.87in | 5.55in | 117th Driest | Driest since: | 1931 |
| 12th Wettest | Wettest since: | 2019 | ||||
| Nov 2015– 36-Month | 99.76in (2,533.90mm) | 89.81in | 9.95in | 124th Driest | Driest since: | 1956 |
| 4th Wettest | Wettest since: | 2019 | ||||
| Nov 2014– 48-Month | 131.64in (3,343.66mm) | 119.72in | 11.92in | 123rd Driest | Driest since: | 1956 |
| 4th Wettest | Wettest since: | 2019 | ||||
| Nov 2013– 60-Month | 162.00in (4,114.80mm) | 149.58in | 12.42in | 120th Driest | Driest since: | 1934 |
| 6th Wettest | Wettest since: | 2019 | ||||
| Ties: 1998 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2025, retrieved on March 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
