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 1920

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1920
1-Month 		0.64"
(16.26mm)		 1.06"
(26.92mm)		 -0.42"
(-10.66mm)		 21st Driest
Driest since:
 1961
108th Wettest
Wettest since:
 1895
Dec 1919–Jan 1920
2-Month 		1.61"
(40.89mm)		 2.07"
(52.58mm)		 -0.46"
(-11.69mm)		 29th Driest
Driest since:
 1931
99th Wettest
Wettest since:
 1997
Nov 1919–Jan 1920
3-Month 		3.24"
(82.30mm)		 3.10"
(78.74mm)		 0.14"
(3.56mm)		 79th Driest
Driest since:
 1931
49th Wettest
Wettest since:
 1943
Ties: 1942, 1976
Oct 1919–Jan 1920
4-Month 		5.48"
(139.19mm)		 4.30"
(109.22mm)		 1.18"
(29.97mm)		 113th Driest
Driest since:
 1934, 1977
15th Wettest
Wettest since:
 1943
Sep 1919–Jan 1920
5-Month 		6.77"
(171.96mm)		 5.54"
(140.72mm)		 1.23"
(31.24mm)		 109th Driest
Driest since:
 1934
19th Wettest
Wettest since:
 1943
Aug 1919–Jan 1920
6-Month 		7.12"
(180.85mm)		 6.61"
(167.89mm)		 0.51"
(12.96mm)		 87th Driest
Driest since:
 1905
41st Wettest
Wettest since:
 1928
Jul 1919–Jan 1920
7-Month 		8.11"
(205.99mm)		 7.89"
(200.41mm)		 0.22"
(5.58mm)		 72nd Driest
Driest since:
 2021
56th Wettest
Wettest since:
 1924
Jun 1919–Jan 1920
8-Month 		8.61"
(218.69mm)		 9.72"
(246.89mm)		 -1.11"
(-28.20mm)		 37th Driest
Driest since:
 1934
91st Wettest
Wettest since:
 1999
May 1919–Jan 1920
9-Month 		9.24"
(234.70mm)		 11.92"
(302.77mm)		 -2.68"
(-68.07mm)		 15th Driest
Driest since:
 1901
113th Wettest
Wettest since:
 1909
Ties: 1975
Apr 1919–Jan 1920
10-Month 		11.02"
(279.91mm)		 13.72"
(348.49mm)		 -2.70"
(-68.58mm)		 16th Driest
Driest since:
 1955
112th Wettest
Wettest since:
 1942
Mar 1919–Jan 1920
11-Month 		11.60"
(294.64mm)		 14.97"
(380.24mm)		 -3.37"
(-85.60mm)		 10th Driest
Driest since:
 2013
118th Wettest
Wettest since:
 1996
Ties: 1911, 1917, 2003
Feb 1919–Jan 1920
12-Month 		12.54"
(318.52mm)		 15.93"
(404.62mm)		 -3.39"
(-86.10mm)		 13th Driest
Driest since:
 2013
115th Wettest
Wettest since:
 1996
Aug 1918–Jan 1920
18-Month 		18.21"
(462.53mm)		 22.54"
(572.52mm)		 -4.33"
(-109.99mm)		 10th Driest
Driest since:
 1935
117th Wettest
Wettest since:
 1996
Feb 1918–Jan 1920
24-Month 		28.27"
(718.06mm)		 31.88"
(809.75mm)		 -3.61"
(-91.69mm)		 22nd Driest
Driest since:
 2003
105th Wettest
Wettest since:
 1943
Feb 1917–Jan 1920
36-Month 		43.70"
(1,109.98mm)		 47.78"
(1,213.61mm)		 -4.08"
(-103.63mm)		 23rd Driest
Driest since:
 2003
103rd Wettest
Wettest since:
 1948
Feb 1916–Jan 1920
48-Month 		56.56"
(1,436.62mm)		 63.65"
(1,616.71mm)		 -7.09"
(-180.09mm)		 13th Driest
Driest since:
 2004
112th Wettest
Wettest since:
 1999
Feb 1915–Jan 1920
60-Month 		76.63"
(1,946.40mm)		 79.51"
(2,019.55mm)		 -2.88"
(-73.15mm)		 42nd Driest
Driest since:
 2005
82nd Wettest
Wettest since:
 2000
Ties: 1901

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