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, January 2015

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 2015
1-Month 		0.62"
(15.75mm)		 1.06"
(26.92mm)		 -0.44"
(-11.17mm)		 19th Driest
Driest since:
 1961
111th Wettest
Wettest since:
 1895
Ties: 1984
Dec 2014–Jan 2015
2-Month 		1.97"
(50.04mm)		 2.07"
(52.58mm)		 -0.10"
(-2.54mm)		 61st Driest
Driest since:
 1931
68th Wettest
Wettest since:
 1997
Nov 2014–Jan 2015
3-Month 		3.38"
(85.85mm)		 3.10"
(78.74mm)		 0.28"
(7.11mm)		 89th Driest
Driest since:
 1931
40th Wettest
Wettest since:
 1943
Ties: 1903
Oct 2014–Jan 2015
4-Month 		3.95"
(100.33mm)		 4.30"
(109.22mm)		 -0.35"
(-8.89mm)		 48th Driest
Driest since:
 1934, 1977
81st Wettest
Wettest since:
 1943
Sep 2014–Jan 2015
5-Month 		5.90"
(149.86mm)		 5.54"
(140.72mm)		 0.36"
(9.14mm)		 80th Driest
Driest since:
 1934
49th Wettest
Wettest since:
 1943
Aug 2014–Jan 2015
6-Month 		8.23"
(209.04mm)		 6.61"
(167.89mm)		 1.62"
(41.15mm)		 112th Driest
Driest since:
 1905
17th Wettest
Wettest since:
 1928
Jul 2014–Jan 2015
7-Month 		9.41"
(239.01mm)		 7.89"
(200.41mm)		 1.52"
(38.60mm)		 110th Driest
Driest since:
 2021
19th Wettest
Wettest since:
 1924
Jun 2014–Jan 2015
8-Month 		11.18"
(283.97mm)		 9.72"
(246.89mm)		 1.46"
(37.08mm)		 107th Driest
Driest since:
 1934
22nd Wettest
Wettest since:
 1999
Ties: 1949
May 2014–Jan 2015
9-Month 		12.94"
(328.68mm)		 11.92"
(302.77mm)		 1.02"
(25.91mm)		 89th Driest
Driest since:
 1901
40th Wettest
Wettest since:
 1909
Apr 2014–Jan 2015
10-Month 		14.32"
(363.73mm)		 13.72"
(348.49mm)		 0.60"
(15.24mm)		 83rd Driest
Driest since:
 1955
46th Wettest
Wettest since:
 1942
Mar 2014–Jan 2015
11-Month 		16.08"
(408.43mm)		 14.97"
(380.24mm)		 1.11"
(28.19mm)		 90th Driest
Driest since:
 2013
39th Wettest
Wettest since:
 1996
Feb 2014–Jan 2015
12-Month 		17.78"
(451.61mm)		 15.93"
(404.62mm)		 1.85"
(46.99mm)		 100th Driest
Driest since:
 2013
29th Wettest
Wettest since:
 1996
Aug 2013–Jan 2015
18-Month 		26.74"
(679.20mm)		 22.54"
(572.52mm)		 4.20"
(106.68mm)		 119th Driest
Driest since:
 1935
9th Wettest
Wettest since:
 1996
Feb 2013–Jan 2015
24-Month 		34.30"
(871.22mm)		 31.88"
(809.75mm)		 2.42"
(61.47mm)		 96th Driest
Driest since:
 2003
32nd Wettest
Wettest since:
 1943
Ties: 1927
Feb 2012–Jan 2015
36-Month 		45.08"
(1,145.03mm)		 47.78"
(1,213.61mm)		 -2.70"
(-68.58mm)		 37th Driest
Driest since:
 2003
90th Wettest
Wettest since:
 1948
Feb 2011–Jan 2015
48-Month 		63.54"
(1,613.92mm)		 63.65"
(1,616.71mm)		 -0.11"
(-2.79mm)		 68th Driest
Driest since:
 2004
58th Wettest
Wettest since:
 1999
Feb 2010–Jan 2015
60-Month 		81.21"
(2,062.73mm)		 79.51"
(2,019.55mm)		 1.70"
(43.18mm)		 80th Driest
Driest since:
 2005
45th Wettest
Wettest since:
 2000

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