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 1949

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1949
1-Month 		1.15"
(29.21mm)		 1.01"
(25.65mm)		 0.14"
(3.56mm)		 84th Driest
Driest since:
 1986
45th Wettest
Wettest since:
 1964, 1996
Ties: 1968, 2013
Nov–Dec 1949
2-Month 		1.58"
(40.13mm)		 2.05"
(52.07mm)		 -0.47"
(-11.94mm)		 30th Driest
Driest since:
 1914
99th Wettest
Wettest since:
 1983
Oct–Dec 1949
3-Month 		3.93"
(99.82mm)		 3.24"
(82.30mm)		 0.69"
(17.52mm)		 107th Driest
Driest since:
 1976
22nd Wettest
Wettest since:
 1942
Ties: 2021
Sep–Dec 1949
4-Month 		4.88"
(123.95mm)		 4.48"
(113.79mm)		 0.40"
(10.16mm)		 87th Driest
Driest since:
 1952
42nd Wettest
Wettest since:
 2013
Aug–Dec 1949
5-Month 		5.46"
(138.68mm)		 5.55"
(140.97mm)		 -0.09"
(-2.29mm)		 68th Driest
Driest since:
 1904
61st Wettest
Wettest since:
 1923
Jul–Dec 1949
6-Month 		6.42"
(163.07mm)		 6.83"
(173.48mm)		 -0.41"
(-10.41mm)		 53rd Driest
Driest since:
 1939
76th Wettest
Wettest since:
 1923
Jun–Dec 1949
7-Month 		8.53"
(216.66mm)		 8.67"
(220.22mm)		 -0.14"
(-3.56mm)		 67th Driest
Driest since:
 1935
62nd Wettest
Wettest since:
 1923
May–Dec 1949
8-Month 		11.30"
(287.02mm)		 10.88"
(276.35mm)		 0.42"
(10.67mm)		 75th Driest
Driest since:
 1900
54th Wettest
Wettest since:
 1923
Apr–Dec 1949
9-Month 		12.37"
(314.20mm)		 12.66"
(321.56mm)		 -0.29"
(-7.36mm)		 60th Driest
Driest since:
 1954
69th Wettest
Wettest since:
 1941
Mar–Dec 1949
10-Month 		13.76"
(349.50mm)		 13.91"
(353.31mm)		 -0.15"
(-3.81mm)		 62nd Driest
Driest since:
 2012
67th Wettest
Wettest since:
 1941
Feb–Dec 1949
11-Month 		14.71"
(373.63mm)		 14.88"
(377.95mm)		 -0.17"
(-4.32mm)		 63rd Driest
Driest since:
 2012
66th Wettest
Wettest since:
 1941
Jan–Dec 1949
12-Month 		16.60"
(421.64mm)		 15.94"
(404.88mm)		 0.66"
(16.76mm)		 78th Driest
Driest since:
 2012
51st Wettest
Wettest since:
 1927
Jul 1948–Dec 1949
18-Month 		23.24"
(590.30mm)		 22.77"
(578.36mm)		 0.47"
(11.94mm)		 72nd Driest
Driest since:
 1934
56th Wettest
Wettest since:
 1927
Jan 1948–Dec 1949
24-Month 		32.40"
(822.96mm)		 31.87"
(809.50mm)		 0.53"
(13.46mm)		 68th Driest
Driest since:
 2002
60th Wettest
Wettest since:
 1983
Jan 1947–Dec 1949
36-Month 		51.12"
(1,298.45mm)		 47.82"
(1,214.63mm)		 3.30"
(83.82mm)		 97th Driest
Driest since:
 2002
30th Wettest
Wettest since:
 1947
Jan 1946–Dec 1949
48-Month 		69.19"
(1,757.43mm)		 63.72"
(1,618.49mm)		 5.47"
(138.94mm)		 106th Driest
Driest since:
 2003
20th Wettest
Wettest since:
 1998
Jan 1945–Dec 1949
60-Month 		88.97"
(2,259.84mm)		 79.58"
(2,021.33mm)		 9.39"
(238.51mm)		 119th Driest
Driest since:
 1935
6th Wettest
Wettest since:
 1999

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