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


Wyoming

Precipitation Rankings, August 2009

View Period (Months):All1234567891011121824364860
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  • 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
August 2009
1-Month
1.18"
(29.97mm)
1.07"
(27.18mm)
0.11"
(2.79mm)
90th Driest Driest since: 2008 1944
38th Wettest Wettest since: 2007 1930
Ties: 1915, 1931, 1965
Jul–Aug 2009
2-Month
2.63"
(66.80mm)
2.35"
(59.69mm)
0.28"
(7.11mm)
87th Driest Driest since: 2008 2020
41st Wettest Wettest since: 2007 1930
Jun–Aug 2009
3-Month
5.85"
(148.59mm)
4.19"
(106.43mm)
1.66"
(42.16mm)
118th Driest Driest since: 2008 1924
10th Wettest Wettest since: 1998 1945
Ties: 1923
May–Aug 2009
4-Month
7.11"
(180.59mm)
6.40"
(162.56mm)
0.71"
(18.03mm)
87th Driest Driest since: 2008 1919
41st Wettest Wettest since: 2005 1908
Apr–Aug 2009
5-Month
9.61"
(244.09mm)
8.18"
(207.77mm)
1.43"
(36.32mm)
104th Driest Driest since: 2008 1924
24th Wettest Wettest since: 1997 1941
Mar–Aug 2009
6-Month
11.21"
(284.73mm)
9.43"
(239.52mm)
1.78"
(45.21mm)
110th Driest Driest since: 2008 1919
18th Wettest Wettest since: 1995 1941
Feb–Aug 2009
7-Month
11.85"
(300.99mm)
10.39"
(263.91mm)
1.46"
(37.08mm)
101st Driest Driest since: 2008 1919
27th Wettest Wettest since: 1998 1941
Jan–Aug 2009
8-Month
13.19"
(335.03mm)
11.46"
(291.08mm)
1.73"
(43.95mm)
105th Driest Driest since: 2008 1919
23rd Wettest Wettest since: 1998 1899
Dec 2008–Aug 2009
9-Month
14.39"
(365.51mm)
12.47"
(316.74mm)
1.92"
(48.77mm)
109th Driest Driest since: 2008 1919
18th Wettest Wettest since: 1997 1993
Ties: 1904, 1905
Nov 2008–Aug 2009
10-Month
15.31"
(388.87mm)
13.50"
(342.90mm)
1.81"
(45.97mm)
103rd Driest Driest since: 2008 1919
24th Wettest Wettest since: 1997 1945
Oct 2008–Aug 2009
11-Month
16.54"
(420.12mm)
14.70"
(373.38mm)
1.84"
(46.74mm)
101st Driest Driest since: 2008 1919
26th Wettest Wettest since: 1999 1995
Sep 2008–Aug 2009
12-Month
17.95"
(455.93mm)
15.93"
(404.62mm)
2.02"
(51.31mm)
106th Driest Driest since: 2008 1934
21st Wettest Wettest since: 1999 1995
Mar 2008–Aug 2009
18-Month
27.21"
(691.13mm)
25.36"
(644.14mm)
1.85"
(46.99mm)
88th Driest Driest since: 2008 2013
39th Wettest Wettest since: 1999 1945
Sep 2007–Aug 2009
24-Month
34.17"
(867.92mm)
31.86"
(809.24mm)
2.31"
(58.68mm)
95th Driest Driest since: 2008 2002
31st Wettest Wettest since: 1999 2015
Sep 2006–Aug 2009
36-Month
49.07"
(1,246.38mm)
47.78"
(1,213.61mm)
1.29"
(32.77mm)
83rd Driest Driest since: 2008 2002
42nd Wettest Wettest since: 2000 1997
Sep 2005–Aug 2009
48-Month
61.76"
(1,568.70mm)
63.68"
(1,617.47mm)
-1.92"
(-48.77mm)
45th Driest Driest since: 2008 2003
79th Wettest Wettest since: 2001 1998
Sep 2004–Aug 2009
60-Month
78.33"
(1,989.58mm)
79.53"
(2,020.06mm)
-1.20"
(-30.48mm)
56th Driest Driest since: 2008 2004
67th Wettest Wettest since: 2001 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 16, 2021 from https://www.ncdc.noaa.gov/cag/