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 1937

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1937
1-Month 		1.46"
(37.08mm)		 1.01"
(25.65mm)		 0.45"
(11.43mm)		 117th Driest
Driest since:
 1986
12th Wettest
Wettest since:
 1964, 1996
Nov–Dec 1937
2-Month 		2.79"
(70.87mm)		 2.05"
(52.07mm)		 0.74"
(18.80mm)		 113th Driest
Driest since:
 1914
16th Wettest
Wettest since:
 1983
Oct–Dec 1937
3-Month 		4.02"
(102.11mm)		 3.24"
(82.30mm)		 0.78"
(19.81mm)		 112th Driest
Driest since:
 1976
17th Wettest
Wettest since:
 1942
Sep–Dec 1937
4-Month 		4.77"
(121.16mm)		 4.48"
(113.79mm)		 0.29"
(7.37mm)		 83rd Driest
Driest since:
 1952
46th Wettest
Wettest since:
 2013
Ties: 1948
Aug–Dec 1937
5-Month 		5.44"
(138.18mm)		 5.55"
(140.97mm)		 -0.11"
(-2.79mm)		 67th Driest
Driest since:
 1904
62nd Wettest
Wettest since:
 1923
Jul–Dec 1937
6-Month 		8.50"
(215.90mm)		 6.83"
(173.48mm)		 1.67"
(42.42mm)		 114th Driest
Driest since:
 1939
15th Wettest
Wettest since:
 1923
Jun–Dec 1937
7-Month 		10.76"
(273.30mm)		 8.67"
(220.22mm)		 2.09"
(53.08mm)		 117th Driest
Driest since:
 1935
12th Wettest
Wettest since:
 1923
May–Dec 1937
8-Month 		12.48"
(316.99mm)		 10.88"
(276.35mm)		 1.60"
(40.64mm)		 101st Driest
Driest since:
 1900
28th Wettest
Wettest since:
 1923
Ties: 1973
Apr–Dec 1937
9-Month 		14.30"
(363.22mm)		 12.66"
(321.56mm)		 1.64"
(41.66mm)		 101st Driest
Driest since:
 1954
28th Wettest
Wettest since:
 1941
Mar–Dec 1937
10-Month 		15.81"
(401.57mm)		 13.91"
(353.31mm)		 1.90"
(48.26mm)		 103rd Driest
Driest since:
 2012
26th Wettest
Wettest since:
 1941
Feb–Dec 1937
11-Month 		17.16"
(435.86mm)		 14.88"
(377.95mm)		 2.28"
(57.91mm)		 108th Driest
Driest since:
 2012
21st Wettest
Wettest since:
 1941
Ties: 1971, 2014
Jan–Dec 1937
12-Month 		18.08"
(459.23mm)		 15.94"
(404.88mm)		 2.14"
(54.35mm)		 104th Driest
Driest since:
 2012
25th Wettest
Wettest since:
 1927
Jul 1936–Dec 1937
18-Month 		24.88"
(631.95mm)		 22.77"
(578.36mm)		 2.11"
(53.59mm)		 99th Driest
Driest since:
 1934
29th Wettest
Wettest since:
 1927
Ties: 1996
Jan 1936–Dec 1937
24-Month 		33.97"
(862.84mm)		 31.87"
(809.50mm)		 2.10"
(53.34mm)		 93rd Driest
Driest since:
 2002
35th Wettest
Wettest since:
 1983
Jan 1935–Dec 1937
36-Month 		47.75"
(1,212.85mm)		 47.82"
(1,214.63mm)		 -0.07"
(-1.78mm)		 71st Driest
Driest since:
 2002
56th Wettest
Wettest since:
 1947
Jan 1934–Dec 1937
48-Month 		59.75"
(1,517.65mm)		 63.72"
(1,618.49mm)		 -3.97"
(-100.84mm)		 32nd Driest
Driest since:
 2003
94th Wettest
Wettest since:
 1998
Jan 1933–Dec 1937
60-Month 		73.25"
(1,860.55mm)		 79.58"
(2,021.33mm)		 -6.33"
(-160.78mm)		 18th Driest
Driest since:
 1935
107th Wettest
Wettest since:
 1999

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