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 1990

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1990
1-Month 		0.98"
(24.89mm)		 1.06"
(26.92mm)		 -0.08"
(-2.03mm)		 67th Driest
Driest since:
 1961
62nd Wettest
Wettest since:
 1895
Ties: 1993
Dec 1989–Jan 1990
2-Month 		1.87"
(47.50mm)		 2.07"
(52.58mm)		 -0.20"
(-5.08mm)		 45th Driest
Driest since:
 1931
83rd Wettest
Wettest since:
 1997
Ties: 1930, 1944, 1954
Nov 1989–Jan 1990
3-Month 		2.67"
(67.82mm)		 3.10"
(78.74mm)		 -0.43"
(-10.92mm)		 42nd Driest
Driest since:
 1931
86th Wettest
Wettest since:
 1943
Ties: 1933, 1994
Oct 1989–Jan 1990
4-Month 		3.76"
(95.50mm)		 4.30"
(109.22mm)		 -0.54"
(-13.72mm)		 37th Driest
Driest since:
 1934, 1977
91st Wettest
Wettest since:
 1943
Ties: 1903
Sep 1989–Jan 1990
5-Month 		5.57"
(141.48mm)		 5.54"
(140.72mm)		 0.03"
(0.76mm)		 68th Driest
Driest since:
 1934
60th Wettest
Wettest since:
 1943
Ties: 1896
Aug 1989–Jan 1990
6-Month 		6.57"
(166.88mm)		 6.61"
(167.89mm)		 -0.04"
(-1.01mm)		 69th Driest
Driest since:
 1905
59th Wettest
Wettest since:
 1928
Jul 1989–Jan 1990
7-Month 		7.61"
(193.29mm)		 7.89"
(200.41mm)		 -0.28"
(-7.12mm)		 58th Driest
Driest since:
 2021
70th Wettest
Wettest since:
 1924
Jun 1989–Jan 1990
8-Month 		9.19"
(233.43mm)		 9.72"
(246.89mm)		 -0.53"
(-13.46mm)		 56th Driest
Driest since:
 1934
72nd Wettest
Wettest since:
 1999
Ties: 1923
May 1989–Jan 1990
9-Month 		11.28"
(286.51mm)		 11.92"
(302.77mm)		 -0.64"
(-16.26mm)		 53rd Driest
Driest since:
 1901
75th Wettest
Wettest since:
 1909
Apr 1989–Jan 1990
10-Month 		12.47"
(316.74mm)		 13.72"
(348.49mm)		 -1.25"
(-31.75mm)		 42nd Driest
Driest since:
 1955
86th Wettest
Wettest since:
 1942
Mar 1989–Jan 1990
11-Month 		14.03"
(356.36mm)		 14.97"
(380.24mm)		 -0.94"
(-23.88mm)		 46th Driest
Driest since:
 2013
82nd Wettest
Wettest since:
 1996
Feb 1989–Jan 1990
12-Month 		15.20"
(386.08mm)		 15.93"
(404.62mm)		 -0.73"
(-18.54mm)		 49th Driest
Driest since:
 2013
79th Wettest
Wettest since:
 1996
Aug 1988–Jan 1990
18-Month 		19.99"
(507.75mm)		 22.54"
(572.52mm)		 -2.55"
(-64.77mm)		 26th Driest
Driest since:
 1935
101st Wettest
Wettest since:
 1996
Feb 1988–Jan 1990
24-Month 		26.54"
(674.12mm)		 31.88"
(809.75mm)		 -5.34"
(-135.63mm)		 9th Driest
Driest since:
 2003
118th Wettest
Wettest since:
 1943
Feb 1987–Jan 1990
36-Month 		41.38"
(1,051.05mm)		 47.78"
(1,213.61mm)		 -6.40"
(-162.56mm)		 10th Driest
Driest since:
 2003
116th Wettest
Wettest since:
 1948
Feb 1986–Jan 1990
48-Month 		59.42"
(1,509.27mm)		 63.65"
(1,616.71mm)		 -4.23"
(-107.44mm)		 31st Driest
Driest since:
 2004
94th Wettest
Wettest since:
 1999
Feb 1985–Jan 1990
60-Month 		73.76"
(1,873.50mm)		 79.51"
(2,019.55mm)		 -5.75"
(-146.05mm)		 23rd Driest
Driest since:
 2005
101st Wettest
Wettest since:
 2000

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