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


Wyoming

Precipitation Rankings, September 1918

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 1918
1-Month
2.18"
(55.37mm)
1.24"
(31.50mm)
0.94"
(23.87mm)
116th Driest Driest since: 1917 1979
12th Wettest Wettest since: 1915 1923
Aug–Sep 1918
2-Month
2.98"
(75.69mm)
2.31"
(58.67mm)
0.67"
(17.02mm)
103rd Driest Driest since: 1917 2012
25th Wettest Wettest since: 1915 1923
Jul–Sep 1918
3-Month
4.84"
(122.94mm)
3.59"
(91.19mm)
1.25"
(31.75mm)
114th Driest Driest since: 1917 1964
14th Wettest Wettest since: 1915 1923
Jun–Sep 1918
4-Month
6.45"
(163.83mm)
5.43"
(137.92mm)
1.02"
(25.91mm)
104th Driest Driest since: 1917 2012
24th Wettest Wettest since: 1915 1923
May–Sep 1918
5-Month
8.20"
(208.28mm)
7.64"
(194.06mm)
0.56"
(14.22mm)
84th Driest Driest since: 1917 1919
44th Wettest Wettest since: 1915 1915
Apr–Sep 1918
6-Month
10.64"
(270.26mm)
9.42"
(239.27mm)
1.22"
(30.99mm)
97th Driest Driest since: 1917 2012
31st Wettest Wettest since: 1915 1941
Mar–Sep 1918
7-Month
11.93"
(303.02mm)
10.67"
(271.02mm)
1.26"
(32.00mm)
98th Driest Driest since: 1917 2012
30th Wettest Wettest since: 1915 1941
Ties: 1929
Feb–Sep 1918
8-Month
13.04"
(331.22mm)
11.63"
(295.40mm)
1.41"
(35.82mm)
96th Driest Driest since: 1917 2012
32nd Wettest Wettest since: 1915 1945
Ties: 1963
Jan–Sep 1918
9-Month
14.60"
(370.84mm)
12.70"
(322.58mm)
1.90"
(48.26mm)
104th Driest Driest since: 1917 1919
24th Wettest Wettest since: 1915 1915, 1945
Dec 1917–Sep 1918
10-Month
15.86"
(402.84mm)
13.71"
(348.23mm)
2.15"
(54.61mm)
107th Driest Driest since: 1917 1919
20th Wettest Wettest since: 1915 1923
Nov 1917–Sep 1918
11-Month
16.39"
(416.31mm)
14.74"
(374.40mm)
1.65"
(41.91mm)
100th Driest Driest since: 1917 1919
27th Wettest Wettest since: 1915 1923
Oct 1917–Sep 1918
12-Month
17.05"
(433.07mm)
15.94"
(404.88mm)
1.11"
(28.19mm)
82nd Driest Driest since: 1917 1919
45th Wettest Wettest since: 1915 1995
Ties: 1920, 1937
Apr 1917–Sep 1918
18-Month
25.70"
(652.78mm)
25.35"
(643.89mm)
0.35"
(8.89mm)
67th Driest Driest since: 1917 2021
60th Wettest Wettest since: 1916 1945
Oct 1916–Sep 1918
24-Month
33.21"
(843.53mm)
31.88"
(809.75mm)
1.33"
(33.78mm)
77th Driest Driest since: 1917 2002
49th Wettest Wettest since: 1913 1998
Oct 1915–Sep 1918
36-Month
45.84"
(1,164.34mm)
47.81"
(1,214.37mm)
-1.97"
(-50.03mm)
39th Driest Driest since: 1916 2002
86th Wettest Wettest since: 1917 1997
Oct 1914–Sep 1918
48-Month
64.32"
(1,633.73mm)
63.72"
(1,618.49mm)
0.60"
(15.24mm)
70th Driest Driest since: 1917 2003
54th Wettest Wettest since: 1915 1998
Oct 1913–Sep 1918
60-Month
78.79"
(2,001.27mm)
79.56"
(2,020.82mm)
-0.77"
(-19.55mm)
58th Driest Driest since: 1917 2004
65th Wettest Wettest since: 1916 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 20, 2022 from https://www.ncdc.noaa.gov/cag/