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, December 2010

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2010
1-Month
1.69"
(42.93mm)
1.01"
(25.65mm)
0.68"
(17.28mm)
121st Driest
Driest since:
1986
7th Wettest
Wettest since:
1964, 1996
Nov–Dec 2010
2-Month
3.04"
(77.22mm)
2.05"
(52.07mm)
0.99"
(25.15mm)
117th Driest
Driest since:
1914
11th Wettest
Wettest since:
1983
Oct–Dec 2010
3-Month
4.32"
(109.73mm)
3.24"
(82.30mm)
1.08"
(27.43mm)
116th Driest
Driest since:
1976
12th Wettest
Wettest since:
1942
Sep–Dec 2010
4-Month
4.67"
(118.62mm)
4.48"
(113.79mm)
0.19"
(4.83mm)
75th Driest
Driest since:
1952
53rd Wettest
Wettest since:
2013
Aug–Dec 2010
5-Month
5.68"
(144.27mm)
5.55"
(140.97mm)
0.13"
(3.30mm)
76th Driest
Driest since:
1904
52nd Wettest
Wettest since:
1923
Jul–Dec 2010
6-Month
6.79"
(172.47mm)
6.83"
(173.48mm)
-0.04"
(-1.01mm)
61st Driest
Driest since:
1939
67th Wettest
Wettest since:
1923
Ties: 1970
Jun–Dec 2010
7-Month
9.42"
(239.27mm)
8.67"
(220.22mm)
0.75"
(19.05mm)
92nd Driest
Driest since:
1935
36th Wettest
Wettest since:
1923
May–Dec 2010
8-Month
12.65"
(321.31mm)
10.88"
(276.35mm)
1.77"
(44.96mm)
106th Driest
Driest since:
1900
22nd Wettest
Wettest since:
1923
Apr–Dec 2010
9-Month
14.97"
(380.24mm)
12.66"
(321.56mm)
2.31"
(58.68mm)
110th Driest
Driest since:
1954
18th Wettest
Wettest since:
1941
Mar–Dec 2010
10-Month
16.08"
(408.43mm)
13.91"
(353.31mm)
2.17"
(55.12mm)
107th Driest
Driest since:
2012
21st Wettest
Wettest since:
1941
Feb–Dec 2010
11-Month
16.66"
(423.16mm)
14.88"
(377.95mm)
1.78"
(45.21mm)
99th Driest
Driest since:
2012
29th Wettest
Wettest since:
1941
Jan–Dec 2010
12-Month
17.25"
(438.15mm)
15.94"
(404.88mm)
1.31"
(33.27mm)
93rd Driest
Driest since:
2012
35th Wettest
Wettest since:
1927
Jul 2009–Dec 2010
18-Month
23.69"
(601.73mm)
22.77"
(578.36mm)
0.92"
(23.37mm)
80th Driest
Driest since:
1934
47th Wettest
Wettest since:
1927
Jan 2009–Dec 2010
24-Month
34.25"
(869.95mm)
31.87"
(809.50mm)
2.38"
(60.45mm)
94th Driest
Driest since:
2002
33rd Wettest
Wettest since:
1983
Jan 2008–Dec 2010
36-Month
50.30"
(1,277.62mm)
47.82"
(1,214.63mm)
2.48"
(62.99mm)
90th Driest
Driest since:
2002
36th Wettest
Wettest since:
1947
Jan 2007–Dec 2010
48-Month
65.35"
(1,659.89mm)
63.72"
(1,618.49mm)
1.63"
(41.40mm)
82nd Driest
Driest since:
2003
43rd Wettest
Wettest since:
1998
Jan 2006–Dec 2010
60-Month
78.09"
(1,983.49mm)
79.58"
(2,021.33mm)
-1.49"
(-37.84mm)
51st Driest
Driest since:
1935
73rd Wettest
Wettest since:
1999

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