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


Wyoming

Precipitation Rankings, September 1920

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1920
1-Month
0.84"
(21.34mm)
1.24"
(31.50mm)
-0.40"
(-10.16mm)
41st Driest Driest since: 1916 1979
87th Wettest Wettest since: 1919 1923
Aug–Sep 1920
2-Month
1.96"
(49.78mm)
2.31"
(58.67mm)
-0.35"
(-8.89mm)
54th Driest Driest since: 1919 2012
74th Wettest Wettest since: 1918 1923
Ties: 1996
Jul–Sep 1920
3-Month
2.74"
(69.60mm)
3.59"
(91.19mm)
-0.85"
(-21.59mm)
38th Driest Driest since: 1919 1964
90th Wettest Wettest since: 1918 1923
Ties: 1996
Jun–Sep 1920
4-Month
4.02"
(102.11mm)
5.43"
(137.92mm)
-1.41"
(-35.81mm)
26th Driest Driest since: 1919 2012
102nd Wettest Wettest since: 1918 1923
May–Sep 1920
5-Month
6.29"
(159.77mm)
7.64"
(194.06mm)
-1.35"
(-34.29mm)
31st Driest Driest since: 1919 1919
97th Wettest Wettest since: 1918 1915
Apr–Sep 1920
6-Month
9.20"
(233.68mm)
9.42"
(239.27mm)
-0.22"
(-5.59mm)
62nd Driest Driest since: 1919 2012
66th Wettest Wettest since: 1918 1941
Mar–Sep 1920
7-Month
10.54"
(267.72mm)
10.67"
(271.02mm)
-0.13"
(-3.30mm)
63rd Driest Driest since: 1919 2012
65th Wettest Wettest since: 1918 1941
Ties: 1977
Feb–Sep 1920
8-Month
11.57"
(293.88mm)
11.63"
(295.40mm)
-0.06"
(-1.52mm)
69th Driest Driest since: 1919 2012
59th Wettest Wettest since: 1918 1945
Ties: 1975
Jan–Sep 1920
9-Month
12.21"
(310.13mm)
12.70"
(322.58mm)
-0.49"
(-12.45mm)
56th Driest Driest since: 1919 1919
72nd Wettest Wettest since: 1918 1915, 1945
Dec 1919–Sep 1920
10-Month
13.18"
(334.77mm)
13.71"
(348.23mm)
-0.53"
(-13.46mm)
55th Driest Driest since: 1919 1919
72nd Wettest Wettest since: 1918 1923
Nov 1919–Sep 1920
11-Month
14.81"
(376.17mm)
14.74"
(374.40mm)
0.07"
(1.77mm)
67th Driest Driest since: 1919 1919
60th Wettest Wettest since: 1918 1923
Oct 1919–Sep 1920
12-Month
17.05"
(433.07mm)
15.94"
(404.88mm)
1.11"
(28.19mm)
82nd Driest Driest since: 1919 1919
45th Wettest Wettest since: 1918 1995
Ties: 1918, 1937
Apr 1919–Sep 1920
18-Month
22.59"
(573.79mm)
25.35"
(643.89mm)
-2.76"
(-70.10mm)
28th Driest Driest since: 1919 2021
99th Wettest Wettest since: 1918 1945
Oct 1918–Sep 1920
24-Month
26.80"
(680.72mm)
31.88"
(809.75mm)
-5.08"
(-129.03mm)
12th Driest Driest since: 1919 2002
114th Wettest Wettest since: 1919 1998
Ties: 1919
Oct 1917–Sep 1920
36-Month
43.85"
(1,113.79mm)
47.81"
(1,214.37mm)
-3.96"
(-100.58mm)
24th Driest Driest since: 1919 2002
101st Wettest Wettest since: 1918 1997
Oct 1916–Sep 1920
48-Month
60.01"
(1,524.25mm)
63.72"
(1,618.49mm)
-3.71"
(-94.24mm)
34th Driest Driest since: 1919 2003
90th Wettest Wettest since: 1918 1998
Oct 1915–Sep 1920
60-Month
72.64"
(1,845.06mm)
79.56"
(2,020.82mm)
-6.92"
(-175.76mm)
14th Driest Driest since: 1920 2004
109th Wettest Wettest since: 1919 1999

Citing This Page

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