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 December 2020. 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 (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 2020 1-Month |
1.99" (50.55mm) | 2.35" (59.69mm) |
-0.36" (-9.14mm) | 33rd Driest | Driest since: 2017 | 1930 |
| 94th Wettest | Wettest since: 2019 | 2015 | ||||
| Ties: 1947 | ||||||
|
Nov–Dec 2020 2-Month |
3.92" (99.57mm) | 4.58" (116.33mm) |
-0.66" (-16.76mm) | 26th Driest | Driest since: 2017 | 1976 |
| 101st Wettest | Wettest since: 2019 | 2015 | ||||
|
Oct–Dec 2020 3-Month |
6.10" (154.94mm) | 6.74" (171.20mm) |
-0.64" (-16.26mm) | 33rd Driest | Driest since: 2017 | 1917 |
| 94th Wettest | Wettest since: 2019 | 2015 | ||||
|
Sep–Dec 2020 4-Month |
8.54" (216.92mm) | 9.23" (234.44mm) |
-0.69" (-17.52mm) | 35th Driest | Driest since: 2017 | 1939 |
| 92nd Wettest | Wettest since: 2019 | 2018 | ||||
|
Aug–Dec 2020 5-Month |
10.95" (278.13mm) | 11.85" (300.99mm) |
-0.90" (-22.86mm) | 31st Driest | Driest since: 2000 | 1917 |
| 96th Wettest | Wettest since: 2019 | 2018 | ||||
|
Jul–Dec 2020 6-Month |
13.89" (352.81mm) | 14.62" (371.35mm) |
-0.73" (-18.54mm) | 35th Driest | Driest since: 2012 | 1917 |
| 92nd Wettest | Wettest since: 2019 | 2018 | ||||
| Ties: 1929 | ||||||
|
Jun–Dec 2020 7-Month |
16.63" (422.40mm) | 17.55" (445.77mm) |
-0.92" (-23.37mm) | 34th Driest | Driest since: 2012 | 1917 |
| 93rd Wettest | Wettest since: 2019 | 2018 | ||||
|
May–Dec 2020 8-Month |
19.71" (500.63mm) | 20.46" (519.68mm) |
-0.75" (-19.05mm) | 37th Driest | Driest since: 2012 | 1917 |
| 90th Wettest | Wettest since: 2019 | 2015 | ||||
|
Apr–Dec 2020 9-Month |
22.23" (564.64mm) | 22.98" (583.69mm) |
-0.75" (-19.05mm) | 39th Driest | Driest since: 2012 | 1956 |
| 88th Wettest | Wettest since: 2019 | 2015 | ||||
|
Mar–Dec 2020 10-Month |
25.09" (637.29mm) | 25.49" (647.45mm) |
-0.40" (-10.16mm) | 45th Driest | Driest since: 2012 | 1956 |
| 82nd Wettest | Wettest since: 2019 | 2015 | ||||
|
Feb–Dec 2020 11-Month |
27.53" (699.26mm) | 27.62" (701.55mm) |
-0.09" (-2.29mm) | 58th Driest | Driest since: 2012 | 1910 |
| 69th Wettest | Wettest since: 2019 | 2018 | ||||
|
Jan–Dec 2020 12-Month |
30.28" (769.11mm) | 29.94" (760.48mm) |
0.34" (8.63mm) | 64th Driest | Driest since: 2012 | 1910 |
| 63rd Wettest | Wettest since: 2019 | 1973 | ||||
|
Jul 2019–Dec 2020 18-Month |
45.97" (1,167.64mm) | 44.58" (1,132.33mm) |
1.39" (35.31mm) | 82nd Driest | Driest since: 2013 | 1954 |
| 44th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2019–Dec 2020 24-Month |
65.10" (1,653.54mm) | 59.90" (1,521.46mm) |
5.20" (132.08mm) | 113th Driest | Driest since: 2017 | 1931 |
| 13th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2018–Dec 2020 36-Month |
99.75" (2,533.65mm) | 89.86" (2,282.44mm) |
9.89" (251.21mm) | 122nd Driest | Driest since: 2018 | 1956 |
| 3rd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2017–Dec 2020 48-Month |
132.06" (3,354.32mm) | 119.78" (3,042.41mm) |
12.28" (311.91mm) | 120th Driest | Driest since: 2017 | 1956 |
| 4th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jan 2016–Dec 2020 60-Month |
163.48" (4,152.39mm) | 149.68" (3,801.87mm) |
13.80" (350.52mm) | 120th 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 January 2021, retrieved on January 18, 2021 from https://www.ncdc.noaa.gov/cag/