Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Wyoming

Precipitation Rankings, July 2011

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 2011
1-Month 		1.01"
(25.65mm)		 1.28"
(32.51mm)		 -0.27"
(-6.86mm)		 47th Driest
Driest since:
 2003
82nd Wettest
Wettest since:
 1937
Ties: 1945, 1954
Jun–Jul 2011
2-Month 		2.60"
(66.04mm)		 3.12"
(79.25mm)		 -0.52"
(-13.21mm)		 50th Driest
Driest since:
 1933
79th Wettest
Wettest since:
 1967
May–Jul 2011
3-Month 		7.19"
(182.63mm)		 5.33"
(135.38mm)		 1.86"
(47.25mm)		 118th Driest
Driest since:
 1919
11th Wettest
Wettest since:
 1908
Apr–Jul 2011
4-Month 		9.68"
(245.87mm)		 7.11"
(180.59mm)		 2.57"
(65.28mm)		 121st Driest
Driest since:
 1919
8th Wettest
Wettest since:
 1995
Mar–Jul 2011
5-Month 		11.16"
(283.46mm)		 8.36"
(212.34mm)		 2.80"
(71.12mm)		 125th Driest
Driest since:
 1919
4th Wettest
Wettest since:
 1995
Feb–Jul 2011
6-Month 		12.19"
(309.63mm)		 9.32"
(236.73mm)		 2.87"
(72.90mm)		 125th Driest
Driest since:
 1919
4th Wettest
Wettest since:
 1995
Jan–Jul 2011
7-Month 		13.20"
(335.28mm)		 10.39"
(263.91mm)		 2.81"
(71.37mm)		 123rd Driest
Driest since:
 1919
6th Wettest
Wettest since:
 1995
Dec 2010–Jul 2011
8-Month 		14.89"
(378.21mm)		 11.40"
(289.56mm)		 3.49"
(88.65mm)		 127th Driest
Driest since:
 1919
1st Wettest
Wettest to Date
 2011
Nov 2010–Jul 2011
9-Month 		16.24"
(412.50mm)		 12.43"
(315.72mm)		 3.81"
(96.78mm)		 127th Driest
Driest since:
 1919
1st Wettest
Wettest to Date
 2011
Oct 2010–Jul 2011
10-Month 		17.52"
(445.01mm)		 13.63"
(346.20mm)		 3.89"
(98.81mm)		 126th Driest
Driest since:
 1919
2nd Wettest
Wettest since:
 1995
Sep 2010–Jul 2011
11-Month 		17.87"
(453.90mm)		 14.86"
(377.44mm)		 3.01"
(76.46mm)		 121st Driest
Driest since:
 1934
7th Wettest
Wettest since:
 1995
Aug 2010–Jul 2011
12-Month 		18.88"
(479.55mm)		 15.93"
(404.62mm)		 2.95"
(74.93mm)		 119th Driest
Driest since:
 1919
9th Wettest
Wettest since:
 1995
Feb 2010–Jul 2011
18-Month 		29.86"
(758.44mm)		 25.26"
(641.60mm)		 4.60"
(116.84mm)		 125th Driest
Driest since:
 2013
3rd Wettest
Wettest since:
 1928
Aug 2009–Jul 2011
24-Month 		35.44"
(900.18mm)		 31.86"
(809.24mm)		 3.58"
(90.94mm)		 112th Driest
Driest since:
 2002
15th Wettest
Wettest since:
 1928
Aug 2008–Jul 2011
36-Month 		53.07"
(1,347.98mm)		 47.77"
(1,213.36mm)		 5.30"
(134.62mm)		 111th Driest
Driest since:
 2002
15th Wettest
Wettest since:
 1999
Aug 2007–Jul 2011
48-Month 		69.79"
(1,772.67mm)		 63.66"
(1,616.96mm)		 6.13"
(155.71mm)		 111th Driest
Driest since:
 2003
14th Wettest
Wettest since:
 1998
Aug 2006–Jul 2011
60-Month 		84.41"
(2,144.01mm)		 79.51"
(2,019.55mm)		 4.90"
(124.46mm)		 99th Driest
Driest since:
 2004
25th Wettest
Wettest since:
 1999

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