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 2021

View Period (Months):
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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 2021
1-Month 		0.68"
(17.27mm)		 1.06"
(26.92mm)		 -0.38"
(-9.65mm)		 24th Driest
Driest since:
 1961
105th Wettest
Wettest since:
 1895
Dec 2020–Jan 2021
2-Month 		1.39"
(35.31mm)		 2.07"
(52.58mm)		 -0.68"
(-17.27mm)		 17th Driest
Driest since:
 1931
111th Wettest
Wettest since:
 1997
Nov 2020–Jan 2021
3-Month 		2.08"
(52.83mm)		 3.10"
(78.74mm)		 -1.02"
(-25.91mm)		 10th Driest
Driest since:
 1931
118th Wettest
Wettest since:
 1943
Ties: 1981
Oct 2020–Jan 2021
4-Month 		3.09"
(78.49mm)		 4.30"
(109.22mm)		 -1.21"
(-30.73mm)		 12th Driest
Driest since:
 1934, 1977
116th Wettest
Wettest since:
 1943
Ties: 1940
Sep 2020–Jan 2021
5-Month 		3.91"
(99.31mm)		 5.54"
(140.72mm)		 -1.63"
(-41.41mm)		 8th Driest
Driest since:
 1934
120th Wettest
Wettest since:
 1943
Aug 2020–Jan 2021
6-Month 		4.21"
(106.93mm)		 6.61"
(167.89mm)		 -2.40"
(-60.96mm)		 2nd Driest
Driest since:
 1905
126th Wettest
Wettest since:
 1928
Jul 2020–Jan 2021
7-Month 		4.90"
(124.46mm)		 7.89"
(200.41mm)		 -2.99"
(-75.95mm)		 1st Driest
Driest since:
 2021
127th Wettest
Wettest since:
 1924
Jun 2020–Jan 2021
8-Month 		6.57"
(166.88mm)		 9.72"
(246.89mm)		 -3.15"
(-80.01mm)		 5th Driest
Driest since:
 1934
123rd Wettest
Wettest since:
 1999
May 2020–Jan 2021
9-Month 		7.82"
(198.63mm)		 11.92"
(302.77mm)		 -4.10"
(-104.14mm)		 3rd Driest
Driest since:
 1901
125th Wettest
Wettest since:
 1909
Apr 2020–Jan 2021
10-Month 		9.14"
(232.16mm)		 13.72"
(348.49mm)		 -4.58"
(-116.33mm)		 3rd Driest
Driest since:
 1955
125th Wettest
Wettest since:
 1942
Mar 2020–Jan 2021
11-Month 		10.17"
(258.32mm)		 14.97"
(380.24mm)		 -4.80"
(-121.92mm)		 2nd Driest
Driest since:
 2013
126th Wettest
Wettest since:
 1996
Feb 2020–Jan 2021
12-Month 		11.38"
(289.05mm)		 15.93"
(404.62mm)		 -4.55"
(-115.57mm)		 3rd Driest
Driest since:
 2013
125th Wettest
Wettest since:
 1996
Aug 2019–Jan 2021
18-Month 		18.47"
(469.14mm)		 22.54"
(572.52mm)		 -4.07"
(-103.38mm)		 13th Driest
Driest since:
 1935
114th Wettest
Wettest since:
 1996
Feb 2019–Jan 2021
24-Month 		29.84"
(757.94mm)		 31.88"
(809.75mm)		 -2.04"
(-51.81mm)		 41st Driest
Driest since:
 2003
86th Wettest
Wettest since:
 1943
Feb 2018–Jan 2021
36-Month 		45.96"
(1,167.38mm)		 47.78"
(1,213.61mm)		 -1.82"
(-46.23mm)		 43rd Driest
Driest since:
 2003
83rd Wettest
Wettest since:
 1948
Feb 2017–Jan 2021
48-Month 		63.86"
(1,622.04mm)		 63.65"
(1,616.71mm)		 0.21"
(5.33mm)		 68th Driest
Driest since:
 2004
57th Wettest
Wettest since:
 1999
Feb 2016–Jan 2021
60-Month 		81.93"
(2,081.02mm)		 79.51"
(2,019.55mm)		 2.42"
(61.47mm)		 83rd Driest
Driest since:
 2005
41st Wettest
Wettest since:
 2000

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