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, September 1939

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 1939
1-Month
1.05"
(26.67mm)
1.24"
(31.50mm)
-0.19"
(-4.83mm)
59th Driest Driest since: 1937 1979
69th Wettest Wettest since: 1938 1923
Ties: 1983, 1990
Aug–Sep 1939
2-Month
1.77"
(44.96mm)
2.31"
(58.67mm)
-0.54"
(-13.71mm)
45th Driest Driest since: 1937 2012
83rd Wettest Wettest since: 1938 1923
Ties: 1900, 1913, 1960
Jul–Sep 1939
3-Month
2.42"
(61.47mm)
3.59"
(91.19mm)
-1.17"
(-29.72mm)
22nd Driest Driest since: 1935 1964
106th Wettest Wettest since: 1938 1923
Jun–Sep 1939
4-Month
4.15"
(105.41mm)
5.43"
(137.92mm)
-1.28"
(-32.51mm)
29th Driest Driest since: 1935 2012
99th Wettest Wettest since: 1938 1923
Ties: 1932
May–Sep 1939
5-Month
5.87"
(149.10mm)
7.64"
(194.06mm)
-1.77"
(-44.96mm)
22nd Driest Driest since: 1934 1919
106th Wettest Wettest since: 1938 1915
Apr–Sep 1939
6-Month
6.91"
(175.51mm)
9.42"
(239.27mm)
-2.51"
(-63.76mm)
19th Driest Driest since: 1934 2012
109th Wettest Wettest since: 1938 1941
Mar–Sep 1939
7-Month
7.69"
(195.33mm)
10.67"
(271.02mm)
-2.98"
(-75.69mm)
13th Driest Driest since: 1934 2012
115th Wettest Wettest since: 1938 1941
Feb–Sep 1939
8-Month
8.83"
(224.28mm)
11.63"
(295.40mm)
-2.80"
(-71.12mm)
16th Driest Driest since: 1934 2012
112th Wettest Wettest since: 1938 1945
Jan–Sep 1939
9-Month
9.78"
(248.41mm)
12.70"
(322.58mm)
-2.92"
(-74.17mm)
18th Driest Driest since: 1934 1919
110th Wettest Wettest since: 1938 1915, 1945
Dec 1938–Sep 1939
10-Month
10.59"
(268.99mm)
13.71"
(348.23mm)
-3.12"
(-79.24mm)
15th Driest Driest since: 1934 1919
112th Wettest Wettest since: 1938 1923
Nov 1938–Sep 1939
11-Month
11.93"
(303.02mm)
14.74"
(374.40mm)
-2.81"
(-71.38mm)
18th Driest Driest since: 1934 1919
109th Wettest Wettest since: 1938 1923
Oct 1938–Sep 1939
12-Month
13.46"
(341.88mm)
15.94"
(404.88mm)
-2.48"
(-63.00mm)
25th Driest Driest since: 1934 1919
102nd Wettest Wettest since: 1938 1995
Apr 1938–Sep 1939
18-Month
23.49"
(596.65mm)
25.35"
(643.89mm)
-1.86"
(-47.24mm)
42nd Driest Driest since: 1935 2021
85th Wettest Wettest since: 1938 1945
Oct 1937–Sep 1939
24-Month
30.91"
(785.11mm)
31.88"
(809.75mm)
-0.97"
(-24.64mm)
49th Driest Driest since: 1936 2002
77th Wettest Wettest since: 1938 1998
Oct 1936–Sep 1939
36-Month
47.96"
(1,218.18mm)
47.81"
(1,214.37mm)
0.15"
(3.81mm)
69th Driest Driest since: 1937 2002
56th Wettest Wettest since: 1938 1997
Oct 1935–Sep 1939
48-Month
62.74"
(1,593.60mm)
63.72"
(1,618.49mm)
-0.98"
(-24.89mm)
57th Driest Driest since: 1937 2003
67th Wettest Wettest since: 1938 1998
Oct 1934–Sep 1939
60-Month
77.49"
(1,968.25mm)
79.56"
(2,020.82mm)
-2.07"
(-52.57mm)
48th Driest Driest since: 1938 2004
75th Wettest Wettest since: 1932 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 17, 2021 from https://www.ncdc.noaa.gov/cag/