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 1981

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 1981
1-Month
1.40"
(35.56mm)
1.01"
(25.65mm)
0.39"
(9.91mm)
108th Driest
Driest since:
1986
20th Wettest
Wettest since:
1964, 1996
Nov–Dec 1981
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: 1975, 2005
Oct–Dec 1981
3-Month
3.89"
(98.81mm)
3.24"
(82.30mm)
0.65"
(16.51mm)
101st Driest
Driest since:
1976
27th Wettest
Wettest since:
1942
Ties: 1995
Sep–Dec 1981
4-Month
4.56"
(115.82mm)
4.48"
(113.79mm)
0.08"
(2.03mm)
71st Driest
Driest since:
1952
57th Wettest
Wettest since:
2013
Aug–Dec 1981
5-Month
5.43"
(137.92mm)
5.55"
(140.97mm)
-0.12"
(-3.05mm)
66th Driest
Driest since:
1904
62nd Wettest
Wettest since:
1923
Jul–Dec 1981
6-Month
7.25"
(184.15mm)
6.83"
(173.48mm)
0.42"
(10.67mm)
81st Driest
Driest since:
1939
47th Wettest
Wettest since:
1923
Jun–Dec 1981
7-Month
8.34"
(211.84mm)
8.67"
(220.22mm)
-0.33"
(-8.38mm)
58th Driest
Driest since:
1935
70th Wettest
Wettest since:
1923
May–Dec 1981
8-Month
12.51"
(317.75mm)
10.88"
(276.35mm)
1.63"
(41.40mm)
102nd Driest
Driest since:
1900
26th Wettest
Wettest since:
1923
Ties: 1942
Apr–Dec 1981
9-Month
13.66"
(346.96mm)
12.66"
(321.56mm)
1.00"
(25.40mm)
88th Driest
Driest since:
1954
40th Wettest
Wettest since:
1941
Mar–Dec 1981
10-Month
14.84"
(376.94mm)
13.91"
(353.31mm)
0.93"
(23.63mm)
86th Driest
Driest since:
2012
42nd Wettest
Wettest since:
1941
Feb–Dec 1981
11-Month
15.45"
(392.43mm)
14.88"
(377.95mm)
0.57"
(14.48mm)
80th Driest
Driest since:
2012
48th Wettest
Wettest since:
1941
Ties: 1955
Jan–Dec 1981
12-Month
15.92"
(404.37mm)
15.94"
(404.88mm)
-0.02"
(-0.51mm)
60th Driest
Driest since:
2012
68th Wettest
Wettest since:
1927
Jul 1980–Dec 1981
18-Month
22.17"
(563.12mm)
22.77"
(578.36mm)
-0.60"
(-15.24mm)
58th Driest
Driest since:
1934
69th Wettest
Wettest since:
1927
Jan 1980–Dec 1981
24-Month
31.85"
(808.99mm)
31.86"
(809.24mm)
-0.01"
(-0.25mm)
63rd Driest
Driest since:
2002
64th Wettest
Wettest since:
1983
Jan 1979–Dec 1981
36-Month
44.49"
(1,130.05mm)
47.82"
(1,214.63mm)
-3.33"
(-84.58mm)
30th Driest
Driest since:
2002
96th Wettest
Wettest since:
1947
Jan 1978–Dec 1981
48-Month
62.89"
(1,597.41mm)
63.72"
(1,618.49mm)
-0.83"
(-21.08mm)
62nd Driest
Driest since:
2003
63rd Wettest
Wettest since:
1998
Jan 1977–Dec 1981
60-Month
78.24"
(1,987.30mm)
79.58"
(2,021.33mm)
-1.34"
(-34.03mm)
53rd Driest
Driest since:
1935
71st Wettest
Wettest since:
1999

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