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, August 1915

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1915
1-Month 		1.18"
(29.97mm)		 1.07"
(27.18mm)		 0.11"
(2.79mm)		 90th Driest
Driest since:
 1944
39th Wettest
Wettest since:
 1930
Ties: 1931, 1965, 2009
Jul–Aug 1915
2-Month 		2.93"
(74.42mm)		 2.35"
(59.69mm)		 0.58"
(14.73mm)		 100th Driest
Driest since:
 2020
29th Wettest
Wettest since:
 1930
Jun–Aug 1915
3-Month 		5.68"
(144.27mm)		 4.19"
(106.43mm)		 1.49"
(37.84mm)		 117th Driest
Driest since:
 1924
12th Wettest
Wettest to Date
 1945
May–Aug 1915
4-Month 		8.45"
(214.63mm)		 6.40"
(162.56mm)		 2.05"
(52.07mm)		 119th Driest
Driest since:
 1919
10th Wettest
Wettest since:
 1908
Apr–Aug 1915
5-Month 		10.39"
(263.91mm)		 8.18"
(207.77mm)		 2.21"
(56.14mm)		 118th Driest
Driest since:
 1924
11th Wettest
Wettest since:
 1941
Mar–Aug 1915
6-Month 		11.61"
(294.89mm)		 9.43"
(239.52mm)		 2.18"
(55.37mm)		 116th Driest
Driest since:
 1919
13th Wettest
Wettest since:
 1941
Feb–Aug 1915
7-Month 		12.50"
(317.50mm)		 10.39"
(263.91mm)		 2.11"
(53.59mm)		 114th Driest
Driest since:
 1919
15th Wettest
Wettest since:
 1941
Jan–Aug 1915
8-Month 		13.41"
(340.61mm)		 11.46"
(291.08mm)		 1.95"
(49.53mm)		 111th Driest
Driest since:
 1919
18th Wettest
Wettest since:
 1899
Dec 1914–Aug 1915
9-Month 		13.81"
(350.77mm)		 12.47"
(316.74mm)		 1.34"
(34.03mm)		 96th Driest
Driest since:
 1919
32nd Wettest
Wettest since:
 1993
Nov 1914–Aug 1915
10-Month 		13.93"
(353.82mm)		 13.50"
(342.90mm)		 0.43"
(10.92mm)		 73rd Driest
Driest since:
 1919
55th Wettest
Wettest since:
 1945
Oct 1914–Aug 1915
11-Month 		15.42"
(391.67mm)		 14.70"
(373.38mm)		 0.72"
(18.29mm)		 76th Driest
Driest since:
 1919
52nd Wettest
Wettest since:
 1995
Sep 1914–Aug 1915
12-Month 		16.15"
(410.21mm)		 15.93"
(404.62mm)		 0.22"
(5.59mm)		 62nd Driest
Driest since:
 1934
66th Wettest
Wettest since:
 1995
Mar 1914–Aug 1915
18-Month 		24.23"
(615.44mm)		 25.36"
(644.14mm)		 -1.13"
(-28.70mm)		 46th Driest
Driest since:
 2013
82nd Wettest
Wettest since:
 1945
Sep 1913–Aug 1915
24-Month 		31.05"
(788.67mm)		 31.86"
(809.24mm)		 -0.81"
(-20.57mm)		 52nd Driest
Driest since:
 2002
75th Wettest
Wettest since:
 2015
Sep 1912–Aug 1915
36-Month 		46.54"
(1,182.12mm)		 47.78"
(1,213.61mm)		 -1.24"
(-31.49mm)		 48th Driest
Driest since:
 2002
78th Wettest
Wettest since:
 1997
Sep 1911–Aug 1915
48-Month 		64.37"
(1,635.00mm)		 63.68"
(1,617.47mm)		 0.69"
(17.53mm)		 72nd Driest
Driest since:
 2003
53rd Wettest
Wettest since:
 1998
Sep 1910–Aug 1915
60-Month 		77.38"
(1,965.45mm)		 79.53"
(2,020.06mm)		 -2.15"
(-54.61mm)		 46th Driest
Driest since:
 2004
78th Wettest
Wettest since:
 1999

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