Climate at a Glance

Statewide 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 September 2021. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, December 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
December 2020
1-Month
0.71"
(18.03mm)
1.01"
(25.65mm)
-0.30"
(-7.62mm)
29th Driest Driest since: 2004 1986
98th Wettest Wettest since: 2019 1964, 1996
Ties: 1943
Nov–Dec 2020
2-Month
1.40"
(35.56mm)
2.05"
(52.07mm)
-0.65"
(-16.51mm)
17th Driest Driest since: 2009 1914
110th Wettest Wettest since: 2019 1983
Ties: 2004
Oct–Dec 2020
3-Month
2.41"
(61.21mm)
3.24"
(82.30mm)
-0.83"
(-21.09mm)
19th Driest Driest since: 1999 1976
108th Wettest Wettest since: 2019 1942
Sep–Dec 2020
4-Month
3.23"
(82.04mm)
4.48"
(113.79mm)
-1.25"
(-31.75mm)
15th Driest Driest since: 1979 1952
112th Wettest Wettest since: 2019 2013
Aug–Dec 2020
5-Month
3.53"
(89.66mm)
5.55"
(140.97mm)
-2.02"
(-51.31mm)
6th Driest Driest since: 1952 1904
121st Wettest Wettest since: 2019 1923
Jul–Dec 2020
6-Month
4.22"
(107.19mm)
6.83"
(173.48mm)
-2.61"
(-66.29mm)
5th Driest Driest since: 1952 1939
122nd Wettest Wettest since: 2019 1923
Jun–Dec 2020
7-Month
5.89"
(149.61mm)
8.67"
(220.22mm)
-2.78"
(-70.61mm)
10th Driest Driest since: 2012 1935
117th Wettest Wettest since: 2019 1923
Ties: 1900
May–Dec 2020
8-Month
7.14"
(181.36mm)
10.88"
(276.35mm)
-3.74"
(-94.99mm)
3rd Driest Driest since: 2012 1900
124th Wettest Wettest since: 2019 1923
Apr–Dec 2020
9-Month
8.46"
(214.88mm)
12.66"
(321.56mm)
-4.20"
(-106.68mm)
4th Driest Driest since: 2012 1954
123rd Wettest Wettest since: 2019 1941
Mar–Dec 2020
10-Month
9.49"
(241.05mm)
13.91"
(353.31mm)
-4.42"
(-112.26mm)
3rd Driest Driest since: 2012 2012
124th Wettest Wettest since: 2019 1941
Feb–Dec 2020
11-Month
10.70"
(271.78mm)
14.88"
(377.95mm)
-4.18"
(-106.17mm)
5th Driest Driest since: 2012 2012
122nd Wettest Wettest since: 2019 1941
Jan–Dec 2020
12-Month
11.71"
(297.43mm)
15.94"
(404.88mm)
-4.23"
(-107.45mm)
5th Driest Driest since: 2012 2012
122nd Wettest Wettest since: 2019 1927
Jul 2019–Dec 2020
18-Month
19.09"
(484.89mm)
22.77"
(578.36mm)
-3.68"
(-93.47mm)
14th Driest Driest since: 2012 1934
112th Wettest Wettest since: 2019 1927
Jan 2019–Dec 2020
24-Month
30.05"
(763.27mm)
31.86"
(809.24mm)
-1.81"
(-45.97mm)
42nd Driest Driest since: 2013 2002
84th Wettest Wettest since: 2019 1983
Jan 2018–Dec 2020
36-Month
46.17"
(1,172.72mm)
47.82"
(1,214.63mm)
-1.65"
(-41.91mm)
44th Driest Driest since: 2014 2002
81st Wettest Wettest since: 2019 1947
Jan 2017–Dec 2020
48-Month
64.83"
(1,646.68mm)
63.72"
(1,618.49mm)
1.11"
(28.19mm)
73rd Driest Driest since: 2015 2003
51st Wettest Wettest since: 2019 1998
Jan 2016–Dec 2020
60-Month
82.11"
(2,085.59mm)
79.58"
(2,021.33mm)
2.53"
(64.26mm)
82nd Driest Driest since: 2016 1935
41st Wettest Wettest since: 2019 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 16, 2021 from https://www.ncdc.noaa.gov/cag/