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 1900

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1900
1-Month
0.39"
(9.91mm)
1.06"
(26.92mm)
-0.67"
(-17.01mm)
5th Driest
Driest since:
1961
124th Wettest
Wettest since:
1895
Dec 1899–Jan 1900
2-Month
1.41"
(35.81mm)
2.07"
(52.58mm)
-0.66"
(-16.77mm)
19th Driest
Driest since:
1931
109th Wettest
Wettest since:
1997
Ties: 1901, 2002, 2010
Nov 1899–Jan 1900
3-Month
1.94"
(49.28mm)
3.10"
(78.74mm)
-1.16"
(-29.46mm)
8th Driest
Driest since:
1931
120th Wettest
Wettest since:
1943
Oct 1899–Jan 1900
4-Month
3.58"
(90.93mm)
4.30"
(109.22mm)
-0.72"
(-18.29mm)
32nd Driest
Driest since:
1934, 1977
96th Wettest
Wettest since:
1943
Ties: 1941
Sep 1899–Jan 1900
5-Month
4.05"
(102.87mm)
5.54"
(140.72mm)
-1.49"
(-37.85mm)
9th Driest
Driest since:
1934
119th Wettest
Wettest since:
1943
Aug 1899–Jan 1900
6-Month
4.89"
(124.21mm)
6.61"
(167.89mm)
-1.72"
(-43.68mm)
11th Driest
Driest since:
1905
117th Wettest
Wettest since:
1928
Jul 1899–Jan 1900
7-Month
6.10"
(154.94mm)
7.89"
(200.41mm)
-1.79"
(-45.47mm)
16th Driest
Driest since:
2021
112th Wettest
Wettest since:
1924
Ties: 1944
Jun 1899–Jan 1900
8-Month
8.44"
(214.38mm)
9.72"
(246.89mm)
-1.28"
(-32.51mm)
33rd Driest
Driest since:
1934
95th Wettest
Wettest since:
1999
May 1899–Jan 1900
9-Month
10.54"
(267.72mm)
11.92"
(302.77mm)
-1.38"
(-35.05mm)
38th Driest
Driest since:
1901
90th Wettest
Wettest since:
1909
Apr 1899–Jan 1900
10-Month
11.60"
(294.64mm)
13.72"
(348.49mm)
-2.12"
(-53.85mm)
28th Driest
Driest since:
1955
100th Wettest
Wettest since:
1942
Mar 1899–Jan 1900
11-Month
14.48"
(367.79mm)
14.97"
(380.24mm)
-0.49"
(-12.45mm)
54th Driest
Driest since:
2013
74th Wettest
Wettest since:
1996
Feb 1899–Jan 1900
12-Month
16.77"
(425.96mm)
15.93"
(404.62mm)
0.84"
(21.34mm)
84th Driest
Driest since:
2013
44th Wettest
Wettest since:
1996
Aug 1898–Jan 1900
18-Month
22.50"
(571.50mm)
22.54"
(572.52mm)
-0.04"
(-1.02mm)
64th Driest
Driest since:
1935
63rd Wettest
Wettest since:
1996
Feb 1898–Jan 1900
24-Month
32.07"
(814.58mm)
31.88"
(809.75mm)
0.19"
(4.83mm)
68th Driest
Driest since:
2003
59th Wettest
Wettest since:
1943
Feb 1897–Jan 1900
36-Month
46.28"
(1,175.51mm)
47.78"
(1,213.61mm)
-1.50"
(-38.10mm)
47th Driest
Driest since:
2003
79th Wettest
Wettest since:
1948
Feb 1896–Jan 1900
48-Month
63.09"
(1,602.49mm)
63.65"
(1,616.71mm)
-0.56"
(-14.22mm)
62nd Driest
Driest since:
2004
63rd Wettest
Wettest to Date
1999
Feb 1895–Jan 1900
60-Month
78.90"
(2,004.06mm)
79.51"
(2,019.55mm)
-0.61"
(-15.49mm)
61st Driest
Driest since:
2005
63rd Wettest
Wettest to Date
2000

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