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, December 2020
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 2020 1-Month |
2.05" (52.07mm) | 2.35" (59.69mm) |
-0.30" (-7.62mm) | 37th Driest | Driest since: 2017 | 1930 |
| 91st Wettest | Wettest since: 2019 | 2015 | ||||
|
Nov–Dec 2020 2-Month |
3.99" (101.35mm) | 4.58" (116.33mm) |
-0.59" (-14.98mm) | 31st Driest | Driest since: 2017 | 1976 |
| 97th Wettest | Wettest since: 2019 | 2015 | ||||
| Ties: 1924 | ||||||
|
Oct–Dec 2020 3-Month |
6.17" (156.72mm) | 6.74" (171.20mm) |
-0.57" (-14.48mm) | 35th Driest | Driest since: 2017 | 1917 |
| 93rd Wettest | Wettest since: 2019 | 2015 | ||||
|
Sep–Dec 2020 4-Month |
8.61" (218.69mm) | 9.23" (234.44mm) |
-0.62" (-15.75mm) | 36th Driest | Driest since: 2017 | 1939 |
| 92nd Wettest | Wettest since: 2019 | 2018 | ||||
|
Aug–Dec 2020 5-Month |
11.03" (280.16mm) | 11.85" (300.99mm) |
-0.82" (-20.83mm) | 31st Driest | Driest since: 2000 | 1917 |
| 97th Wettest | Wettest since: 2019 | 2018 | ||||
|
Jul–Dec 2020 6-Month |
13.97" (354.84mm) | 14.62" (371.35mm) |
-0.65" (-16.51mm) | 36th Driest | Driest since: 2012 | 1917 |
| 92nd Wettest | Wettest since: 2019 | 2018 | ||||
| Ties: 1955 | ||||||
|
Jun–Dec 2020 7-Month |
16.70" (424.18mm) | 17.55" (445.77mm) |
-0.85" (-21.59mm) | 34th Driest | Driest since: 2012 | 1917 |
| 94th Wettest | Wettest since: 2019 | 2018 | ||||
|
May–Dec 2020 8-Month |
19.79" (502.67mm) | 20.46" (519.68mm) |
-0.67" (-17.01mm) | 39th Driest | Driest since: 2012 | 1917 |
| 89th Wettest | Wettest since: 2019 | 2015 | ||||
|
Apr–Dec 2020 9-Month |
22.31" (566.67mm) | 22.98" (583.69mm) |
-0.67" (-17.02mm) | 40th Driest | Driest since: 2012 | 1956 |
| 88th Wettest | Wettest since: 2019 | 2015 | ||||
|
Mar–Dec 2020 10-Month |
25.17" (639.32mm) | 25.49" (647.45mm) |
-0.32" (-8.13mm) | 45th Driest | Driest since: 2012 | 1956 |
| 83rd Wettest | Wettest since: 2019 | 2015 | ||||
| Ties: 1908 | ||||||
|
Feb–Dec 2020 11-Month |
27.62" (701.55mm) | 27.62" (701.55mm) |
0.00" (0.00mm) | 59th Driest | Driest since: 2012 | 1910 |
| 69th Wettest | Wettest since: 2019 | 2018 | ||||
| Ties: 1969 | ||||||
|
Jan–Dec 2020 12-Month |
30.38" (771.65mm) | 29.94" (760.48mm) |
0.44" (11.17mm) | 66th Driest | Driest since: 2012 | 1910 |
| 62nd Wettest | Wettest since: 2019 | 1973 | ||||
|
Jul 2019–Dec 2020 18-Month |
46.07" (1,170.18mm) | 44.58" (1,132.33mm) |
1.49" (37.85mm) | 84th Driest | Driest since: 2013 | 1954 |
| 43rd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2019–Dec 2020 24-Month |
65.20" (1,656.08mm) | 59.90" (1,521.46mm) |
5.30" (134.62mm) | 114th Driest | Driest since: 2017 | 1931 |
| 13th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2018–Dec 2020 36-Month |
99.85" (2,536.19mm) | 89.86" (2,282.44mm) |
9.99" (253.75mm) | 123rd Driest | Driest since: 2018 | 1956 |
| 3rd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2017–Dec 2020 48-Month |
132.16" (3,356.86mm) | 119.78" (3,042.41mm) |
12.38" (314.45mm) | 122nd Driest | Driest since: 2017 | 1956 |
| 3rd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2016–Dec 2020 60-Month |
163.58" (4,154.93mm) | 149.68" (3,801.87mm) |
13.90" (353.06mm) | 121st Driest | Driest since: 2017 | 1956 |
| 3rd Wettest | Wettest since: 2019 | 2019 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2022, retrieved on July 1, 2022 from https://www.ncei.noaa.gov/cag/