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 1975

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 1975
1-Month
1.23"
(31.24mm)
1.01"
(25.65mm)
0.22"
(5.59mm)
94th Driest
Driest since:
1986
34th Wettest
Wettest since:
1964, 1996
Ties: 1942, 2003
Nov–Dec 1975
2-Month
2.31"
(58.67mm)
2.05"
(52.07mm)
0.26"
(6.60mm)
90th Driest
Driest since:
1914
38th Wettest
Wettest since:
1983
Ties: 1981, 2005
Oct–Dec 1975
3-Month
4.01"
(101.85mm)
3.24"
(82.30mm)
0.77"
(19.55mm)
110th Driest
Driest since:
1976
18th Wettest
Wettest since:
1942
Sep–Dec 1975
4-Month
4.39"
(111.51mm)
4.48"
(113.79mm)
-0.09"
(-2.28mm)
62nd Driest
Driest since:
1952
66th Wettest
Wettest since:
2013
Aug–Dec 1975
5-Month
5.03"
(127.76mm)
5.55"
(140.97mm)
-0.52"
(-13.21mm)
44th Driest
Driest since:
1904
84th Wettest
Wettest since:
1923
Jul–Dec 1975
6-Month
6.34"
(161.04mm)
6.83"
(173.48mm)
-0.49"
(-12.44mm)
48th Driest
Driest since:
1939
80th Wettest
Wettest since:
1923
Jun–Dec 1975
7-Month
8.56"
(217.42mm)
8.67"
(220.22mm)
-0.11"
(-2.80mm)
68th Driest
Driest since:
1935
60th Wettest
Wettest since:
1923
May–Dec 1975
8-Month
11.48"
(291.59mm)
10.88"
(276.35mm)
0.60"
(15.24mm)
79th Driest
Driest since:
1900
49th Wettest
Wettest since:
1923
Apr–Dec 1975
9-Month
13.18"
(334.77mm)
12.66"
(321.56mm)
0.52"
(13.21mm)
78th Driest
Driest since:
1954
50th Wettest
Wettest since:
1941
Mar–Dec 1975
10-Month
14.70"
(373.38mm)
13.91"
(353.31mm)
0.79"
(20.07mm)
79th Driest
Driest since:
2012
49th Wettest
Wettest since:
1941
Feb–Dec 1975
11-Month
15.58"
(395.73mm)
14.88"
(377.95mm)
0.70"
(17.78mm)
83rd Driest
Driest since:
2012
45th Wettest
Wettest since:
1941
Ties: 2013
Jan–Dec 1975
12-Month
17.05"
(433.07mm)
15.94"
(404.88mm)
1.11"
(28.19mm)
88th Driest
Driest since:
2012
40th Wettest
Wettest since:
1927
Jul 1974–Dec 1975
18-Month
22.73"
(577.34mm)
22.77"
(578.36mm)
-0.04"
(-1.02mm)
63rd Driest
Driest since:
1934
64th Wettest
Wettest since:
1927
Jan 1974–Dec 1975
24-Month
29.97"
(761.24mm)
31.87"
(809.50mm)
-1.90"
(-48.26mm)
42nd Driest
Driest since:
2002
85th Wettest
Wettest since:
1983
Jan 1973–Dec 1975
36-Month
48.25"
(1,225.55mm)
47.82"
(1,214.63mm)
0.43"
(10.92mm)
75th Driest
Driest since:
2002
51st Wettest
Wettest since:
1947
Jan 1972–Dec 1975
48-Month
65.21"
(1,656.33mm)
63.72"
(1,618.49mm)
1.49"
(37.84mm)
78th Driest
Driest since:
2003
47th Wettest
Wettest since:
1998
Jan 1971–Dec 1975
60-Month
83.77"
(2,127.76mm)
79.58"
(2,021.33mm)
4.19"
(106.43mm)
93rd Driest
Driest since:
1935
31st Wettest
Wettest since:
1999

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