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 July 2020. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, May 1921

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1921
1-Month
2.50"
(63.50mm)
2.21"
(56.13mm)
0.29"
(7.37mm)
88th Driest Driest since: 1920 1936
39th Wettest Wettest since: 1917 1908
Apr–May 1921
2-Month
3.98"
(101.09mm)
3.99"
(101.35mm)
-0.01"
(-0.26mm)
65th Driest Driest since: 1919 1936
62nd Wettest Wettest since: 1920 2011
Ties: 1903, 1997
Mar–May 1921
3-Month
4.99"
(126.75mm)
5.24"
(133.10mm)
-0.25"
(-6.35mm)
52nd Driest Driest since: 1919 1919
75th Wettest Wettest since: 1920 2011
Feb–May 1921
4-Month
5.57"
(141.48mm)
6.21"
(157.73mm)
-0.64"
(-16.25mm)
39th Driest Driest since: 1919 1966
88th Wettest Wettest since: 1920 2011
Jan–May 1921
5-Month
6.75"
(171.45mm)
7.27"
(184.66mm)
-0.52"
(-13.21mm)
43rd Driest Driest since: 1919 1919
84th Wettest Wettest since: 1920 2011
Dec 1920–May 1921
6-Month
7.81"
(198.37mm)
8.28"
(210.31mm)
-0.47"
(-11.94mm)
42nd Driest Driest since: 1919 1919
84th Wettest Wettest since: 1920 2011
Ties: 1936
Nov 1920–May 1921
7-Month
8.72"
(221.49mm)
9.31"
(236.47mm)
-0.59"
(-14.98mm)
41st Driest Driest since: 1919 1919
85th Wettest Wettest since: 1920 2011
Oct 1920–May 1921
8-Month
10.13"
(257.30mm)
10.51"
(266.95mm)
-0.38"
(-9.65mm)
50th Driest Driest since: 1919 1966
76th Wettest Wettest since: 1920 1995
Sep 1920–May 1921
9-Month
10.97"
(278.64mm)
11.75"
(298.45mm)
-0.78"
(-19.81mm)
39th Driest Driest since: 1919 1934
87th Wettest Wettest since: 1920 2017
Ties: 1923
Aug 1920–May 1921
10-Month
12.09"
(307.09mm)
12.81"
(325.37mm)
-0.72"
(-18.28mm)
41st Driest Driest since: 1919 1934
85th Wettest Wettest since: 1920 2017
Jul 1920–May 1921
11-Month
12.87"
(326.90mm)
14.10"
(358.14mm)
-1.23"
(-31.24mm)
33rd Driest Driest since: 1919 1934
93rd Wettest Wettest since: 1920 1978
Ties: 1959
Jun 1920–May 1921
12-Month
14.15"
(359.41mm)
15.93"
(404.62mm)
-1.78"
(-45.21mm)
29th Driest Driest since: 1919 1934
97th Wettest Wettest since: 1920 1999
Dec 1919–May 1921
18-Month
23.31"
(592.07mm)
24.21"
(614.93mm)
-0.90"
(-22.86mm)
41st Driest Driest since: 1920 1961
84th Wettest Wettest since: 1918 1996
Jun 1919–May 1921
24-Month
30.31"
(769.87mm)
31.86"
(809.24mm)
-1.55"
(-39.37mm)
39th Driest Driest since: 1920 2002
86th Wettest Wettest since: 1917 1999
Jun 1918–May 1921
36-Month
43.38"
(1,101.85mm)
47.75"
(1,212.85mm)
-4.37"
(-111.00mm)
21st Driest Driest since: 1920 2003
103rd Wettest Wettest since: 1918 1929
Jun 1917–May 1921
48-Month
57.07"
(1,449.58mm)
63.62"
(1,615.95mm)
-6.55"
(-166.37mm)
12th Driest Driest since: 1903 2004
111th Wettest Wettest since: 1920 1999
Jun 1916–May 1921
60-Month
73.36"
(1,863.34mm)
79.48"
(2,018.79mm)
-6.12"
(-155.45mm)
20th Driest Driest since: 1903 2004
102nd Wettest Wettest since: 1920 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 9, 2020 from https://www.ncdc.noaa.gov/cag/