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 2010

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 2010
1-Month
0.59"
(14.99mm)
1.06"
(26.92mm)
-0.47"
(-11.93mm)
13th Driest
Driest since:
1961
116th Wettest
Wettest since:
1895
Ties: 1934, 1983
Dec 2009–Jan 2010
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: 1900, 1901, 2002
Nov 2009–Jan 2010
3-Month
1.75"
(44.45mm)
3.10"
(78.74mm)
-1.35"
(-34.29mm)
5th Driest
Driest since:
1931
123rd Wettest
Wettest since:
1943
Oct 2009–Jan 2010
4-Month
3.77"
(95.76mm)
4.30"
(109.22mm)
-0.53"
(-13.46mm)
39th Driest
Driest since:
1934, 1977
89th Wettest
Wettest since:
1943
Sep 2009–Jan 2010
5-Month
4.40"
(111.76mm)
5.54"
(140.72mm)
-1.14"
(-28.96mm)
25th Driest
Driest since:
1934
103rd Wettest
Wettest since:
1943
Aug 2009–Jan 2010
6-Month
5.58"
(141.73mm)
6.61"
(167.89mm)
-1.03"
(-26.16mm)
33rd Driest
Driest since:
1905
95th Wettest
Wettest since:
1928
Jul 2009–Jan 2010
7-Month
7.03"
(178.56mm)
7.89"
(200.41mm)
-0.86"
(-21.85mm)
39th Driest
Driest since:
2021
89th Wettest
Wettest since:
1924
Ties: 1917
Jun 2009–Jan 2010
8-Month
10.25"
(260.35mm)
9.72"
(246.89mm)
0.53"
(13.46mm)
85th Driest
Driest since:
1934
43rd Wettest
Wettest since:
1999
May 2009–Jan 2010
9-Month
11.51"
(292.35mm)
11.92"
(302.77mm)
-0.41"
(-10.42mm)
59th Driest
Driest since:
1901
69th Wettest
Wettest since:
1909
Apr 2009–Jan 2010
10-Month
14.01"
(355.85mm)
13.72"
(348.49mm)
0.29"
(7.36mm)
72nd Driest
Driest since:
1955
56th Wettest
Wettest since:
1942
Mar 2009–Jan 2010
11-Month
15.61"
(396.49mm)
14.97"
(380.24mm)
0.64"
(16.25mm)
80th Driest
Driest since:
2013
48th Wettest
Wettest since:
1996
Feb 2009–Jan 2010
12-Month
16.25"
(412.75mm)
15.93"
(404.62mm)
0.32"
(8.13mm)
73rd Driest
Driest since:
2013
55th Wettest
Wettest since:
1996
Aug 2008–Jan 2010
18-Month
23.21"
(589.53mm)
22.54"
(572.52mm)
0.67"
(17.01mm)
74th Driest
Driest since:
1935
53rd Wettest
Wettest since:
1996
Feb 2008–Jan 2010
24-Month
32.57"
(827.28mm)
31.88"
(809.75mm)
0.69"
(17.53mm)
73rd Driest
Driest since:
2003
54th Wettest
Wettest since:
1943
Feb 2007–Jan 2010
36-Month
47.99"
(1,218.95mm)
47.78"
(1,213.61mm)
0.21"
(5.34mm)
68th Driest
Driest since:
2003
58th Wettest
Wettest since:
1948
Feb 2006–Jan 2010
48-Month
60.44"
(1,535.18mm)
63.65"
(1,616.71mm)
-3.21"
(-81.53mm)
39th Driest
Driest since:
2004
86th Wettest
Wettest since:
1999
Feb 2005–Jan 2010
60-Month
76.75"
(1,949.45mm)
79.51"
(2,019.55mm)
-2.76"
(-70.10mm)
45th Driest
Driest since:
2005
79th Wettest
Wettest since:
2000

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