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 October 2021. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, September 1931

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1931
1-Month
0.97"
(24.64mm)
1.24"
(31.50mm)
-0.27"
(-6.86mm)
54th Driest Driest since: 1928 1979
74th Wettest Wettest since: 1930 1923
Aug–Sep 1931
2-Month
2.15"
(54.61mm)
2.31"
(58.67mm)
-0.16"
(-4.06mm)
59th Driest Driest since: 1928 2012
69th Wettest Wettest since: 1930 1923
Ties: 2005
Jul–Sep 1931
3-Month
3.31"
(84.07mm)
3.59"
(91.19mm)
-0.28"
(-7.12mm)
60th Driest Driest since: 1928 1964
68th Wettest Wettest since: 1930 1923
Jun–Sep 1931
4-Month
4.42"
(112.27mm)
5.43"
(137.92mm)
-1.01"
(-25.65mm)
39th Driest Driest since: 1924 2012
89th Wettest Wettest since: 1930 1923
May–Sep 1931
5-Month
6.11"
(155.19mm)
7.64"
(194.06mm)
-1.53"
(-38.87mm)
27th Driest Driest since: 1924 1919
101st Wettest Wettest since: 1930 1915
Apr–Sep 1931
6-Month
7.35"
(186.69mm)
9.42"
(239.27mm)
-2.07"
(-52.58mm)
23rd Driest Driest since: 1924 2012
105th Wettest Wettest since: 1930 1941
Mar–Sep 1931
7-Month
8.59"
(218.19mm)
10.67"
(271.02mm)
-2.08"
(-52.83mm)
25th Driest Driest since: 1924 2012
103rd Wettest Wettest since: 1930 1941
Feb–Sep 1931
8-Month
9.17"
(232.92mm)
11.63"
(295.40mm)
-2.46"
(-62.48mm)
22nd Driest Driest since: 1924 2012
106th Wettest Wettest since: 1930 1945
Jan–Sep 1931
9-Month
9.51"
(241.55mm)
12.70"
(322.58mm)
-3.19"
(-81.03mm)
13th Driest Driest since: 1924 1919
115th Wettest Wettest since: 1930 1915, 1945
Dec 1930–Sep 1931
10-Month
9.84"
(249.94mm)
13.71"
(348.23mm)
-3.87"
(-98.29mm)
5th Driest Driest since: 1919 1919
122nd Wettest Wettest since: 1930 1923
Nov 1930–Sep 1931
11-Month
10.51"
(266.95mm)
14.74"
(374.40mm)
-4.23"
(-107.45mm)
4th Driest Driest since: 1919 1919
123rd Wettest Wettest since: 1930 1923
Oct 1930–Sep 1931
12-Month
12.68"
(322.07mm)
15.94"
(404.88mm)
-3.26"
(-82.81mm)
17th Driest Driest since: 1924 1919
110th Wettest Wettest since: 1930 1995
Apr 1930–Sep 1931
18-Month
23.03"
(584.96mm)
25.35"
(643.89mm)
-2.32"
(-58.93mm)
34th Driest Driest since: 1920 2021
93rd Wettest Wettest since: 1930 1945
Oct 1929–Sep 1931
24-Month
29.10"
(739.14mm)
31.88"
(809.75mm)
-2.78"
(-70.61mm)
29th Driest Driest since: 1920 2002
97th Wettest Wettest since: 1930 1998
Oct 1928–Sep 1931
36-Month
47.21"
(1,199.13mm)
47.81"
(1,214.37mm)
-0.60"
(-15.24mm)
58th Driest Driest since: 1921 2002
67th Wettest Wettest since: 1930 1997
Oct 1927–Sep 1931
48-Month
63.67"
(1,617.22mm)
63.72"
(1,618.49mm)
-0.05"
(-1.27mm)
64th Driest Driest since: 1924 2003
60th Wettest Wettest since: 1930 1998
Oct 1926–Sep 1931
60-Month
83.31"
(2,116.07mm)
79.56"
(2,020.82mm)
3.75"
(95.25mm)
93rd Driest Driest since: 1925 2004
30th Wettest Wettest since: 1930 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 5, 2021 from https://www.ncdc.noaa.gov/cag/