Climate at a Glance
National Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of May 2022. For more information, please see Climatological Rankings.
Contiguous U.S.
Precipitation Rankings, May 2020
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2020 1-Month |
3.09" (78.49mm) | 2.91" (73.91mm) |
0.18" (4.58mm) | 83rd Driest | Driest since: 2018 | 1934 |
| 46th Wettest | Wettest since: 2019 | 2019 | ||||
| Ties: 1980 | ||||||
|
Apr–May 2020 2-Month |
5.61" (142.49mm) | 5.43" (137.92mm) |
0.18" (4.57mm) | 77th Driest | Driest since: 2018 | 1934 |
| 52nd Wettest | Wettest since: 2019 | 1957 | ||||
| Ties: 1919 | ||||||
|
Mar–May 2020 3-Month |
8.47" (215.14mm) | 7.94" (201.68mm) |
0.53" (13.46mm) | 98th Driest | Driest since: 2018 | 1925 |
| 31st Wettest | Wettest since: 2019 | 1957, 1991 | ||||
| Ties: 1947 | ||||||
|
Feb–May 2020 4-Month |
10.92" (277.37mm) | 10.07" (255.78mm) |
0.85" (21.59mm) | 100th Driest | Driest since: 2018 | 1925 |
| 29th Wettest | Wettest since: 2019 | 2019 | ||||
| Ties: 2016 | ||||||
|
Jan–May 2020 5-Month |
13.68" (347.47mm) | 12.39" (314.71mm) |
1.29" (32.76mm) | 112th Driest | Driest since: 2018 | 1934 |
| 17th Wettest | Wettest since: 2019 | 2019 | ||||
|
Dec 2019–May 2020 6-Month |
16.25" (412.75mm) | 14.73" (374.14mm) |
1.52" (38.61mm) | 111th Driest | Driest since: 2018 | 1931 |
| 17th Wettest | Wettest since: 2019 | 2019 | ||||
|
Nov 2019–May 2020 7-Month |
18.19" (462.03mm) | 16.96" (430.78mm) |
1.23" (31.25mm) | 101st Driest | Driest since: 2018 | 1934 |
| 27th Wettest | Wettest since: 2019 | 1983 | ||||
|
Oct 2019–May 2020 8-Month |
21.38" (543.05mm) | 19.13" (485.90mm) |
2.25" (57.15mm) | 114th Driest | Driest since: 2018 | 1934 |
| 14th Wettest | Wettest since: 2019 | 2019 | ||||
|
Sep 2019–May 2020 9-Month |
23.83" (605.28mm) | 21.62" (549.15mm) |
2.21" (56.13mm) | 109th Driest | Driest since: 2018 | 1934 |
| 19th Wettest | Wettest since: 2019 | 2019 | ||||
|
Aug 2019–May 2020 10-Month |
26.61" (675.89mm) | 24.25" (615.95mm) |
2.36" (59.94mm) | 109th Driest | Driest since: 2018 | 1918 |
| 19th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jul 2019–May 2020 11-Month |
29.37" (746.00mm) | 27.03" (686.56mm) |
2.34" (59.44mm) | 108th Driest | Driest since: 2018 | 1931 |
| 20th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2019–May 2020 12-Month |
32.74" (831.60mm) | 29.95" (760.73mm) |
2.79" (70.87mm) | 111th Driest | Driest since: 2018 | 1934 |
| 17th Wettest | Wettest since: 2019 | 2019 | ||||
|
Dec 2018–May 2020 18-Month |
51.75" (1,314.45mm) | 44.70" (1,135.38mm) |
7.05" (179.07mm) | 125th Driest | Driest since: 2018 | 1931 |
| 2nd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2018–May 2020 24-Month |
70.45" (1,789.43mm) | 59.92" (1,521.97mm) |
10.53" (267.46mm) | 126th Driest | Driest since: 2019 | 1931 |
| 1st Wettest | Wettest to Date | 2020 | ||||
|
Jun 2017–May 2020 36-Month |
100.52" (2,553.21mm) | 89.88" (2,282.95mm) |
10.64" (270.26mm) | 124th Driest | Driest since: 2018 | 1955 |
| 2nd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2016–May 2020 48-Month |
133.92" (3,401.57mm) | 119.78" (3,042.41mm) |
14.14" (359.16mm) | 123rd Driest | Driest since: 2018 | 1956 |
| 2nd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2015–May 2020 60-Month |
168.50" (4,279.90mm) | 149.64" (3,800.86mm) |
18.86" (479.04mm) | 123rd Driest | Driest since: 2019 | 1957 |
| 1st Wettest | Wettest to Date | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2022, retrieved on July 5, 2022 from https://www.ncei.noaa.gov/cag/