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 1955

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 1955
1-Month
2.19"
(55.63mm)
1.01"
(25.65mm)
1.18"
(29.98mm)
125th Driest
Driest since:
1986
3rd Wettest
Wettest to Date
1964, 1996
Nov–Dec 1955
2-Month
3.66"
(92.96mm)
2.05"
(52.07mm)
1.61"
(40.89mm)
125th Driest
Driest since:
1914
3rd Wettest
Wettest to Date
1983
Oct–Dec 1955
3-Month
4.36"
(110.74mm)
3.24"
(82.30mm)
1.12"
(28.44mm)
117th Driest
Driest since:
1976
11th Wettest
Wettest since:
1942
Sep–Dec 1955
4-Month
5.48"
(139.19mm)
4.48"
(113.79mm)
1.00"
(25.40mm)
105th Driest
Driest since:
1952
23rd Wettest
Wettest since:
2013
Aug–Dec 1955
5-Month
6.52"
(165.61mm)
5.55"
(140.97mm)
0.97"
(24.64mm)
103rd Driest
Driest since:
1904
25th Wettest
Wettest since:
1923
Jul–Dec 1955
6-Month
7.49"
(190.25mm)
6.83"
(173.48mm)
0.66"
(16.77mm)
93rd Driest
Driest since:
1939
35th Wettest
Wettest since:
1923
Jun–Dec 1955
7-Month
9.61"
(244.09mm)
8.67"
(220.22mm)
0.94"
(23.87mm)
96th Driest
Driest since:
1935
32nd Wettest
Wettest since:
1923
May–Dec 1955
8-Month
11.69"
(296.93mm)
10.88"
(276.35mm)
0.81"
(20.58mm)
84th Driest
Driest since:
1900
44th Wettest
Wettest since:
1923
Apr–Dec 1955
9-Month
12.88"
(327.15mm)
12.66"
(321.56mm)
0.22"
(5.59mm)
71st Driest
Driest since:
1954
57th Wettest
Wettest since:
1941
Mar–Dec 1955
10-Month
14.05"
(356.87mm)
13.91"
(353.31mm)
0.14"
(3.56mm)
68th Driest
Driest since:
2012
60th Wettest
Wettest since:
1941
Feb–Dec 1955
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: 1981
Jan–Dec 1955
12-Month
16.16"
(410.46mm)
15.94"
(404.88mm)
0.22"
(5.58mm)
67th Driest
Driest since:
2012
61st Wettest
Wettest since:
1927
Jul 1954–Dec 1955
18-Month
20.84"
(529.34mm)
22.77"
(578.36mm)
-1.93"
(-49.02mm)
35th Driest
Driest since:
1934
92nd Wettest
Wettest since:
1927
Jan 1954–Dec 1955
24-Month
28.24"
(717.30mm)
31.86"
(809.24mm)
-3.62"
(-91.94mm)
23rd Driest
Driest since:
2002
104th Wettest
Wettest since:
1983
Jan 1953–Dec 1955
36-Month
42.19"
(1,071.63mm)
47.82"
(1,214.63mm)
-5.63"
(-143.00mm)
16th Driest
Driest since:
2002
110th Wettest
Wettest since:
1947
Jan 1952–Dec 1955
48-Month
55.33"
(1,405.38mm)
63.72"
(1,618.49mm)
-8.39"
(-213.11mm)
9th Driest
Driest since:
2003
116th Wettest
Wettest since:
1998
Jan 1951–Dec 1955
60-Month
71.75"
(1,822.45mm)
79.58"
(2,021.33mm)
-7.83"
(-198.88mm)
12th Driest
Driest since:
1935
112th Wettest
Wettest since:
1999
Ties: 1904

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