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 2012

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 2012
1-Month
0.46"
(11.68mm)
1.24"
(31.50mm)
-0.78"
(-19.82mm)
14th Driest Driest since: 2010 1979
114th Wettest Wettest since: 2011 1923
Ties: 1904
Aug–Sep 2012
2-Month
0.72"
(18.29mm)
2.31"
(58.67mm)
-1.59"
(-40.38mm)
1st Driest Driest to Date 2012
127th Wettest Wettest since: 2011 1923
Jul–Sep 2012
3-Month
1.84"
(46.74mm)
3.59"
(91.19mm)
-1.75"
(-44.45mm)
3rd Driest Driest since: 1964 1964
125th Wettest Wettest since: 2011 1923
Jun–Sep 2012
4-Month
2.29"
(58.17mm)
5.43"
(137.92mm)
-3.14"
(-79.75mm)
1st Driest Driest to Date 2012
127th Wettest Wettest since: 2011 1923
May–Sep 2012
5-Month
3.82"
(97.03mm)
7.64"
(194.06mm)
-3.82"
(-97.03mm)
2nd Driest Driest since: 1919 1919
126th Wettest Wettest since: 2011 1915
Apr–Sep 2012
6-Month
5.01"
(127.25mm)
9.42"
(239.27mm)
-4.41"
(-112.02mm)
1st Driest Driest to Date 2012
127th Wettest Wettest since: 2011 1941
Mar–Sep 2012
7-Month
5.58"
(141.73mm)
10.67"
(271.02mm)
-5.09"
(-129.29mm)
1st Driest Driest to Date 2012
127th Wettest Wettest since: 2011 1941
Feb–Sep 2012
8-Month
6.87"
(174.50mm)
11.63"
(295.40mm)
-4.76"
(-120.90mm)
1st Driest Driest to Date 2012
127th Wettest Wettest since: 2011 1945
Jan–Sep 2012
9-Month
7.79"
(197.87mm)
12.70"
(322.58mm)
-4.91"
(-124.71mm)
2nd Driest Driest since: 1919 1919
126th Wettest Wettest since: 2011 1915, 1945
Dec 2011–Sep 2012
10-Month
8.63"
(219.20mm)
13.71"
(348.23mm)
-5.08"
(-129.03mm)
2nd Driest Driest since: 1919 1919
125th Wettest Wettest since: 2011 1923
Nov 2011–Sep 2012
11-Month
9.99"
(253.75mm)
14.74"
(374.40mm)
-4.75"
(-120.65mm)
3rd Driest Driest since: 1960 1919
124th Wettest Wettest since: 2011 1923
Oct 2011–Sep 2012
12-Month
11.79"
(299.47mm)
15.94"
(404.88mm)
-4.15"
(-105.41mm)
6th Driest Driest since: 1988 1919
121st Wettest Wettest since: 2011 1995
Apr 2011–Sep 2012
18-Month
22.82"
(579.63mm)
25.35"
(643.89mm)
-2.53"
(-64.26mm)
30th Driest Driest since: 2007 2021
97th Wettest Wettest since: 2011 1945
Oct 2010–Sep 2012
24-Month
30.66"
(778.76mm)
31.88"
(809.75mm)
-1.22"
(-30.99mm)
46th Driest Driest since: 2007 2002
80th Wettest Wettest since: 2011 1998
Oct 2009–Sep 2012
36-Month
46.77"
(1,187.96mm)
47.81"
(1,214.37mm)
-1.04"
(-26.41mm)
49th Driest Driest since: 2008 2002
76th Wettest Wettest since: 2011 1997
Ties: 1910
Oct 2008–Sep 2012
48-Month
63.94"
(1,624.08mm)
63.72"
(1,618.49mm)
0.22"
(5.59mm)
66th Driest Driest since: 2009 2003
58th Wettest Wettest since: 2011 1998
Oct 2007–Sep 2012
60-Month
80.39"
(2,041.91mm)
79.56"
(2,020.82mm)
0.83"
(21.09mm)
71st Driest Driest since: 2010 2004
52nd Wettest Wettest since: 2011 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/