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 2015

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2015
1-Month
0.64"
(16.26mm)
1.24"
(31.50mm)
-0.60"
(-15.24mm)
26th Driest Driest since: 2012 1979
102nd Wettest Wettest since: 2014 1923
Aug–Sep 2015
2-Month
1.55"
(39.37mm)
2.31"
(58.67mm)
-0.76"
(-19.30mm)
32nd Driest Driest since: 2012 2012
96th Wettest Wettest since: 2014 1923
Jul–Sep 2015
3-Month
3.08"
(78.23mm)
3.59"
(91.19mm)
-0.51"
(-12.96mm)
52nd Driest Driest since: 2012 1964
76th Wettest Wettest since: 2014 1923
Jun–Sep 2015
4-Month
4.97"
(126.24mm)
5.43"
(137.92mm)
-0.46"
(-11.68mm)
57th Driest Driest since: 2012 2012
71st Wettest Wettest since: 2014 1923
May–Sep 2015
5-Month
9.56"
(242.82mm)
7.64"
(194.06mm)
1.92"
(48.76mm)
112th Driest Driest since: 2014 1919
16th Wettest Wettest since: 1997 1915
Apr–Sep 2015
6-Month
11.26"
(286.00mm)
9.42"
(239.27mm)
1.84"
(46.73mm)
107th Driest Driest since: 2014 2012
21st Wettest Wettest since: 1997 1941
Mar–Sep 2015
7-Month
11.84"
(300.74mm)
10.67"
(271.02mm)
1.17"
(29.72mm)
95th Driest Driest since: 2013 2012
33rd Wettest Wettest since: 2014 1941
Ties: 1938, 2009
Feb–Sep 2015
8-Month
12.78"
(324.61mm)
11.63"
(295.40mm)
1.15"
(29.21mm)
89th Driest Driest since: 2013 2012
39th Wettest Wettest since: 2014 1945
Jan–Sep 2015
9-Month
13.40"
(340.36mm)
12.70"
(322.58mm)
0.70"
(17.78mm)
82nd Driest Driest since: 2013 1919
46th Wettest Wettest since: 2014 1915, 1945
Dec 2014–Sep 2015
10-Month
14.75"
(374.65mm)
13.71"
(348.23mm)
1.04"
(26.42mm)
82nd Driest Driest since: 2013 1919
45th Wettest Wettest since: 2014 1923
Nov 2014–Sep 2015
11-Month
16.16"
(410.46mm)
14.74"
(374.40mm)
1.42"
(36.06mm)
91st Driest Driest since: 2013 1919
36th Wettest Wettest since: 2014 1923
Oct 2014–Sep 2015
12-Month
16.73"
(424.94mm)
15.94"
(404.88mm)
0.79"
(20.06mm)
78th Driest Driest since: 2013 1919
49th Wettest Wettest since: 2014 1995
Apr 2014–Sep 2015
18-Month
27.10"
(688.34mm)
25.35"
(643.89mm)
1.75"
(44.45mm)
90th Driest Driest since: 2013 2021
37th Wettest Wettest since: 2014 1945
Oct 2013–Sep 2015
24-Month
35.74"
(907.80mm)
31.88"
(809.75mm)
3.86"
(98.05mm)
110th Driest Driest since: 2014 2002
16th Wettest Wettest since: 1999 1998
Oct 2012–Sep 2015
36-Month
50.99"
(1,295.15mm)
47.81"
(1,214.37mm)
3.18"
(80.78mm)
97th Driest Driest since: 2014 2002
28th Wettest Wettest since: 2011 1997
Ties: 1930
Oct 2011–Sep 2015
48-Month
62.78"
(1,594.61mm)
63.72"
(1,618.49mm)
-0.94"
(-23.88mm)
58th Driest Driest since: 2013 2003
66th Wettest Wettest since: 2014 1998
Oct 2010–Sep 2015
60-Month
81.65"
(2,073.91mm)
79.56"
(2,020.82mm)
2.09"
(53.09mm)
79th Driest Driest since: 2014 2004
44th 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 27, 2021 from https://www.ncdc.noaa.gov/cag/