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 August 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, December 2021

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2021
1-Month
2.40"
(60.96mm)
2.35"
(59.69mm)
0.05"
(1.27mm)
63rd Driest Driest since: 2020 1930
65th Wettest Wettest since: 2019 2015
Ties: 1957
Nov–Dec 2021
2-Month
3.70"
(93.98mm)
4.58"
(116.33mm)
-0.88"
(-22.35mm)
21st Driest Driest since: 2017 1976
107th Wettest Wettest since: 2020 2015
Oct–Dec 2021
3-Month
6.86"
(174.24mm)
6.74"
(171.20mm)
0.12"
(3.04mm)
66th Driest Driest since: 2020 1917
62nd Wettest Wettest since: 2019 2015
Ties: 2016
Sep–Dec 2021
4-Month
9.25"
(234.95mm)
9.23"
(234.44mm)
0.02"
(0.51mm)
56th Driest Driest since: 2020 1939
72nd Wettest Wettest since: 2019 2018
Aug–Dec 2021
5-Month
12.39"
(314.71mm)
11.85"
(300.99mm)
0.54"
(13.72mm)
78th Driest Driest since: 2020 1917
50th Wettest Wettest since: 2019 2018
Jul–Dec 2021
6-Month
15.80"
(401.32mm)
14.62"
(371.35mm)
1.18"
(29.97mm)
98th Driest Driest since: 2020 1917
30th Wettest Wettest since: 2018 2018
Jun–Dec 2021
7-Month
18.77"
(476.76mm)
17.55"
(445.77mm)
1.22"
(30.99mm)
95th Driest Driest since: 2020 1917
33rd Wettest Wettest since: 2019 2018
May–Dec 2021
8-Month
21.76"
(552.70mm)
20.46"
(519.68mm)
1.30"
(33.02mm)
91st Driest Driest since: 2020 1917
37th Wettest Wettest since: 2019 2015
Apr–Dec 2021
9-Month
23.83"
(605.28mm)
22.98"
(583.69mm)
0.85"
(21.59mm)
75th Driest Driest since: 2020 1956
53rd Wettest Wettest since: 2019 2015
Ties: 1961
Mar–Dec 2021
10-Month
26.35"
(669.29mm)
25.49"
(647.45mm)
0.86"
(21.84mm)
74th Driest Driest since: 2020 1956
54th Wettest Wettest since: 2019 2015
Feb–Dec 2021
11-Month
28.38"
(720.85mm)
27.62"
(701.55mm)
0.76"
(19.30mm)
72nd Driest Driest since: 2020 1910
56th Wettest Wettest since: 2019 2018
Ties: 1994
Jan–Dec 2021
12-Month
30.47"
(773.94mm)
29.94"
(760.48mm)
0.53"
(13.46mm)
71st Driest Driest since: 2020 1910
57th Wettest Wettest since: 2019 1973
Jul 2020–Dec 2021
18-Month
44.44"
(1,128.78mm)
44.58"
(1,132.33mm)
-0.14"
(-3.55mm)
54th Driest Driest since: 2012 1954
73rd Wettest Wettest since: 2020 2019
Jan 2020–Dec 2021
24-Month
60.85"
(1,545.59mm)
59.90"
(1,521.46mm)
0.95"
(24.13mm)
75th Driest Driest since: 2013 1931
52nd Wettest Wettest since: 2020 2019
Jan 2019–Dec 2021
36-Month
95.67"
(2,430.02mm)
89.86"
(2,282.44mm)
5.81"
(147.58mm)
106th Driest Driest since: 2014 1956
20th Wettest Wettest since: 2020 2019
Jan 2018–Dec 2021
48-Month
130.32"
(3,310.13mm)
119.78"
(3,042.41mm)
10.54"
(267.72mm)
120th Driest Driest since: 2017 1956
5th Wettest Wettest since: 2020 2019
Jan 2017–Dec 2021
60-Month
162.63"
(4,130.80mm)
149.68"
(3,801.87mm)
12.95"
(328.93mm)
119th Driest Driest since: 2017 1956
5th Wettest Wettest since: 2020 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Precipitation, published September 2022, retrieved on October 2, 2022 from https://www.ncdc.noaa.gov/cag/