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 1900

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 1900
1-Month
1.16"
(29.46mm)
1.24"
(31.50mm)
-0.08"
(-2.04mm)
69th Driest Driest since: 1899 1979
59th Wettest Wettest since: 1896 1923
Ties: 1913
Aug–Sep 1900
2-Month
1.77"
(44.96mm)
2.31"
(58.67mm)
-0.54"
(-13.71mm)
45th Driest Driest since: 1899 2012
83rd Wettest Wettest since: 1896 1923
Ties: 1913, 1939, 1960
Jul–Sep 1900
3-Month
2.76"
(70.10mm)
3.59"
(91.19mm)
-0.83"
(-21.09mm)
40th Driest Driest since: 1899 1964
88th Wettest Wettest since: 1896 1923
Jun–Sep 1900
4-Month
3.27"
(83.06mm)
5.43"
(137.92mm)
-2.16"
(-54.86mm)
9th Driest Driest to Date 2012
119th Wettest Wettest since: 1899 1923
May–Sep 1900
5-Month
4.13"
(104.90mm)
7.64"
(194.06mm)
-3.51"
(-89.16mm)
3rd Driest Driest to Date 1919
125th Wettest Wettest since: 1899 1915
Apr–Sep 1900
6-Month
8.23"
(209.04mm)
9.42"
(239.27mm)
-1.19"
(-30.23mm)
36th Driest Driest since: 1899 2012
92nd Wettest Wettest since: 1898 1941
Mar–Sep 1900
7-Month
9.01"
(228.85mm)
10.67"
(271.02mm)
-1.66"
(-42.17mm)
29th Driest Driest since: 1897 2012
99th Wettest Wettest since: 1899 1941
Feb–Sep 1900
8-Month
10.18"
(258.57mm)
11.63"
(295.40mm)
-1.45"
(-36.83mm)
29th Driest Driest since: 1897 2012
99th Wettest Wettest since: 1899 1945
Ties: 1921
Jan–Sep 1900
9-Month
10.57"
(268.48mm)
12.70"
(322.58mm)
-2.13"
(-54.10mm)
26th Driest Driest since: 1897 1919
102nd Wettest Wettest since: 1899 1915, 1945
Dec 1899–Sep 1900
10-Month
11.59"
(294.39mm)
13.71"
(348.23mm)
-2.12"
(-53.84mm)
24th Driest Driest since: 1897 1919
103rd Wettest Wettest since: 1899 1923
Nov 1899–Sep 1900
11-Month
12.12"
(307.85mm)
14.74"
(374.40mm)
-2.62"
(-66.55mm)
20th Driest Driest to Date 1919
107th Wettest Wettest since: 1899 1923
Ties: 1916
Oct 1899–Sep 1900
12-Month
13.76"
(349.50mm)
15.94"
(404.88mm)
-2.18"
(-55.38mm)
28th Driest Driest since: 1897 1919
99th Wettest Wettest since: 1899 1995
Apr 1899–Sep 1900
18-Month
21.78"
(553.21mm)
25.35"
(643.89mm)
-3.57"
(-90.68mm)
22nd Driest Driest since: 1898 2021
105th Wettest Wettest since: 1899 1945
Oct 1898–Sep 1900
24-Month
31.70"
(805.18mm)
31.88"
(809.75mm)
-0.18"
(-4.57mm)
59th Driest Driest since: 1898 2002
67th Wettest Wettest since: 1899 1998
Oct 1897–Sep 1900
36-Month
47.15"
(1,197.61mm)
47.81"
(1,214.37mm)
-0.66"
(-16.76mm)
57th Driest Driest since: 1899 2002
68th Wettest Wettest to Date 1997
Oct 1896–Sep 1900
48-Month
60.43"
(1,534.92mm)
63.72"
(1,618.49mm)
-3.29"
(-83.57mm)
37th Driest Driest to Date 2003
87th Wettest Wettest since: 1899 1998
Oct 1895–Sep 1900
60-Month
78.09"
(1,983.49mm)
79.56"
(2,020.82mm)
-1.47"
(-37.33mm)
53rd Driest Driest to Date 2004
70th Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 1, 2021 from https://www.ncdc.noaa.gov/cag/