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 1931

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 1931
1-Month
0.34"
(8.64mm)
1.06"
(26.92mm)
-0.72"
(-18.28mm)
3rd Driest
Driest since:
1961
126th Wettest
Wettest since:
1895
Dec 1930–Jan 1931
2-Month
0.67"
(17.02mm)
2.07"
(52.58mm)
-1.40"
(-35.56mm)
1st Driest
Driest since:
1931
127th Wettest
Wettest since:
1997
Nov 1930–Jan 1931
3-Month
1.34"
(34.04mm)
3.10"
(78.74mm)
-1.76"
(-44.70mm)
1st Driest
Driest since:
1931
127th Wettest
Wettest since:
1943
Oct 1930–Jan 1931
4-Month
3.51"
(89.15mm)
4.30"
(109.22mm)
-0.79"
(-20.07mm)
30th Driest
Driest since:
1934, 1977
98th Wettest
Wettest since:
1943
Sep 1930–Jan 1931
5-Month
4.53"
(115.06mm)
5.54"
(140.72mm)
-1.01"
(-25.66mm)
29th Driest
Driest since:
1934
99th Wettest
Wettest since:
1943
Ties: 1906
Aug 1930–Jan 1931
6-Month
7.72"
(196.09mm)
6.61"
(167.89mm)
1.11"
(28.20mm)
102nd Driest
Driest since:
1905
26th Wettest
Wettest since:
1928
Jul 1930–Jan 1931
7-Month
8.99"
(228.35mm)
7.89"
(200.41mm)
1.10"
(27.94mm)
101st Driest
Driest since:
2021
27th Wettest
Wettest since:
1924
Jun 1930–Jan 1931
8-Month
9.97"
(253.24mm)
9.72"
(246.89mm)
0.25"
(6.35mm)
78th Driest
Driest since:
1934
50th Wettest
Wettest since:
1999
Ties: 1945
May 1930–Jan 1931
9-Month
12.63"
(320.80mm)
11.92"
(302.77mm)
0.71"
(18.03mm)
79th Driest
Driest since:
1901
49th Wettest
Wettest since:
1909
Apr 1930–Jan 1931
10-Month
13.86"
(352.04mm)
13.72"
(348.49mm)
0.14"
(3.55mm)
68th Driest
Driest since:
1955
60th Wettest
Wettest since:
1942
Mar 1930–Jan 1931
11-Month
14.98"
(380.49mm)
14.97"
(380.24mm)
0.01"
(0.25mm)
64th Driest
Driest since:
2013
64th Wettest
Wettest since:
1996
Feb 1930–Jan 1931
12-Month
15.85"
(402.59mm)
15.93"
(404.62mm)
-0.08"
(-2.03mm)
61st Driest
Driest since:
2013
67th Wettest
Wettest since:
1996
Aug 1929–Jan 1931
18-Month
22.95"
(582.93mm)
22.54"
(572.52mm)
0.41"
(10.41mm)
69th Driest
Driest since:
1935
58th Wettest
Wettest since:
1996
Ties: 1897
Feb 1929–Jan 1931
24-Month
32.95"
(836.93mm)
31.88"
(809.75mm)
1.07"
(27.18mm)
82nd Driest
Driest since:
2003
45th Wettest
Wettest since:
1943
Feb 1928–Jan 1931
36-Month
48.99"
(1,244.35mm)
47.78"
(1,213.61mm)
1.21"
(30.74mm)
83rd Driest
Driest since:
2003
43rd Wettest
Wettest since:
1948
Feb 1927–Jan 1931
48-Month
69.58"
(1,767.33mm)
63.65"
(1,616.71mm)
5.93"
(150.62mm)
106th Driest
Driest since:
2004
19th Wettest
Wettest since:
1999
Feb 1926–Jan 1931
60-Month
86.48"
(2,196.59mm)
79.51"
(2,019.55mm)
6.97"
(177.04mm)
108th Driest
Driest since:
2005
16th Wettest
Wettest since:
2000

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