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 1956

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 1956
1-Month
1.01"
(25.65mm)
1.01"
(25.65mm)
0.00"
(0.00mm)
68th Driest
Driest since:
1986
60th Wettest
Wettest since:
1964, 1996
Ties: 1934, 1936, 1944
Nov–Dec 1956
2-Month
2.01"
(51.05mm)
2.05"
(52.07mm)
-0.04"
(-1.02mm)
65th Driest
Driest since:
1914
63rd Wettest
Wettest since:
1983
Oct–Dec 1956
3-Month
2.90"
(73.66mm)
3.24"
(82.30mm)
-0.34"
(-8.64mm)
41st Driest
Driest since:
1976
87th Wettest
Wettest since:
1942
Ties: 1915
Sep–Dec 1956
4-Month
3.22"
(81.79mm)
4.48"
(113.79mm)
-1.26"
(-32.00mm)
14th Driest
Driest since:
1952
114th Wettest
Wettest since:
2013
Aug–Dec 1956
5-Month
4.11"
(104.39mm)
5.55"
(140.97mm)
-1.44"
(-36.58mm)
15th Driest
Driest since:
1904
113th Wettest
Wettest since:
1923
Ties: 1917, 1953
Jul–Dec 1956
6-Month
5.31"
(134.87mm)
6.83"
(173.48mm)
-1.52"
(-38.61mm)
22nd Driest
Driest since:
1939
106th Wettest
Wettest since:
1923
Jun–Dec 1956
7-Month
5.93"
(150.62mm)
8.67"
(220.22mm)
-2.74"
(-69.60mm)
12th Driest
Driest since:
1935
116th Wettest
Wettest since:
1923
May–Dec 1956
8-Month
8.06"
(204.72mm)
10.88"
(276.35mm)
-2.82"
(-71.63mm)
12th Driest
Driest since:
1900
116th Wettest
Wettest since:
1923
Apr–Dec 1956
9-Month
9.68"
(245.87mm)
12.66"
(321.56mm)
-2.98"
(-75.69mm)
12th Driest
Driest since:
1954
116th Wettest
Wettest since:
1941
Mar–Dec 1956
10-Month
10.53"
(267.46mm)
13.91"
(353.31mm)
-3.38"
(-85.85mm)
10th Driest
Driest since:
2012
118th Wettest
Wettest since:
1941
Feb–Dec 1956
11-Month
11.17"
(283.72mm)
14.88"
(377.95mm)
-3.71"
(-94.23mm)
7th Driest
Driest since:
2012
121st Wettest
Wettest since:
1941
Jan–Dec 1956
12-Month
12.55"
(318.77mm)
15.94"
(404.88mm)
-3.39"
(-86.11mm)
13th Driest
Driest since:
2012
115th Wettest
Wettest since:
1927
Jul 1955–Dec 1956
18-Month
20.04"
(509.02mm)
22.77"
(578.36mm)
-2.73"
(-69.34mm)
26th Driest
Driest since:
1934
101st Wettest
Wettest since:
1927
Jan 1955–Dec 1956
24-Month
28.71"
(729.23mm)
31.87"
(809.50mm)
-3.16"
(-80.27mm)
29th Driest
Driest since:
2002
98th Wettest
Wettest since:
1983
Jan 1954–Dec 1956
36-Month
40.79"
(1,036.07mm)
47.82"
(1,214.63mm)
-7.03"
(-178.56mm)
9th Driest
Driest since:
2002
117th Wettest
Wettest since:
1947
Jan 1953–Dec 1956
48-Month
54.74"
(1,390.40mm)
63.72"
(1,618.49mm)
-8.98"
(-228.09mm)
6th Driest
Driest since:
2003
119th Wettest
Wettest since:
1998
Jan 1952–Dec 1956
60-Month
67.88"
(1,724.15mm)
79.58"
(2,021.33mm)
-11.70"
(-297.18mm)
2nd Driest
Driest since:
1935
122nd Wettest
Wettest since:
1999
Ties: 2004

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