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 1930

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 1930
1-Month
1.02"
(25.91mm)
1.24"
(31.50mm)
-0.22"
(-5.59mm)
56th Driest Driest since: 1928 1979
72nd Wettest Wettest since: 1929 1923
Ties: 1980
Aug–Sep 1930
2-Month
4.21"
(106.93mm)
2.31"
(58.67mm)
1.90"
(48.26mm)
124th Driest Driest since: 1929 2012
4th Wettest Wettest since: 1923 1923
Ties: 1982
Jul–Sep 1930
3-Month
5.48"
(139.19mm)
3.59"
(91.19mm)
1.89"
(48.00mm)
120th Driest Driest since: 1929 1964
8th Wettest Wettest since: 1923 1923
Jun–Sep 1930
4-Month
6.46"
(164.08mm)
5.43"
(137.92mm)
1.03"
(26.16mm)
105th Driest Driest since: 1929 2012
23rd Wettest Wettest since: 1927 1923
May–Sep 1930
5-Month
9.12"
(231.65mm)
7.64"
(194.06mm)
1.48"
(37.59mm)
103rd Driest Driest since: 1929 1919
25th Wettest Wettest since: 1927 1915
Apr–Sep 1930
6-Month
10.35"
(262.89mm)
9.42"
(239.27mm)
0.93"
(23.62mm)
92nd Driest Driest since: 1929 2012
36th Wettest Wettest since: 1927 1941
Mar–Sep 1930
7-Month
11.47"
(291.34mm)
10.67"
(271.02mm)
0.80"
(20.32mm)
84th Driest Driest since: 1928 2012
44th Wettest Wettest since: 1929 1941
Feb–Sep 1930
8-Month
12.34"
(313.44mm)
11.63"
(295.40mm)
0.71"
(18.04mm)
82nd Driest Driest since: 1928 2012
46th Wettest Wettest since: 1929 1945
Ties: 1926, 2010
Jan–Sep 1930
9-Month
13.53"
(343.66mm)
12.70"
(322.58mm)
0.83"
(21.08mm)
84th Driest Driest since: 1928 1919
44th Wettest Wettest since: 1929 1915, 1945
Dec 1929–Sep 1930
10-Month
14.21"
(360.93mm)
13.71"
(348.23mm)
0.50"
(12.70mm)
75th Driest Driest since: 1928 1919
52nd Wettest Wettest since: 1929 1923
Nov 1929–Sep 1930
11-Month
15.32"
(389.13mm)
14.74"
(374.40mm)
0.58"
(14.73mm)
74th Driest Driest since: 1928 1919
53rd Wettest Wettest since: 1929 1923
Oct 1929–Sep 1930
12-Month
16.42"
(417.07mm)
15.94"
(404.88mm)
0.48"
(12.19mm)
72nd Driest Driest since: 1924 1919
55th Wettest Wettest since: 1929 1995
Apr 1929–Sep 1930
18-Month
26.12"
(663.45mm)
25.35"
(643.89mm)
0.77"
(19.56mm)
73rd Driest Driest since: 1925 2021
54th Wettest Wettest since: 1929 1945
Oct 1928–Sep 1930
24-Month
34.53"
(877.06mm)
31.88"
(809.75mm)
2.65"
(67.31mm)
99th Driest Driest since: 1925 2002
27th Wettest Wettest since: 1929 1998
Oct 1927–Sep 1930
36-Month
50.99"
(1,295.15mm)
47.81"
(1,214.37mm)
3.18"
(80.78mm)
97th Driest Driest since: 1926 2002
28th Wettest Wettest since: 1929 1997
Ties: 2015
Oct 1926–Sep 1930
48-Month
70.63"
(1,794.00mm)
63.72"
(1,618.49mm)
6.91"
(175.51mm)
113th Driest Driest since: 1927 2003
11th Wettest Wettest since: 1929 1998
Ties: 2019
Oct 1925–Sep 1930
60-Month
87.85"
(2,231.39mm)
79.56"
(2,020.82mm)
8.29"
(210.57mm)
114th Driest Driest since: 1928 2004
9th Wettest Wettest since: 1929 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 26, 2021 from https://www.ncdc.noaa.gov/cag/