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 1904

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2021)		 Wettest/Driest
Since		 Record
December 1904
1-Month 		0.76"
(19.30mm)		 1.01"
(25.65mm)		 -0.25"
(-6.35mm)		 32nd Driest
Driest since:
 1986
96th Wettest
Wettest since:
 1964, 1996
Ties: 1928, 1974, 2018
Nov–Dec 1904
2-Month 		0.84"
(21.34mm)		 2.05"
(52.07mm)		 -1.21"
(-30.73mm)		 4th Driest
Driest since:
 1914
124th Wettest
Wettest since:
 1983
Oct–Dec 1904
3-Month 		1.63"
(41.40mm)		 3.24"
(82.30mm)		 -1.61"
(-40.90mm)		 4th Driest
Driest since:
 1976
124th Wettest
Wettest since:
 1942
Sep–Dec 1904
4-Month 		2.09"
(53.09mm)		 4.48"
(113.79mm)		 -2.39"
(-60.70mm)		 2nd Driest
Driest since:
 1952
126th Wettest
Wettest since:
 2013
Aug–Dec 1904
5-Month 		2.90"
(73.66mm)		 5.55"
(140.97mm)		 -2.65"
(-67.31mm)		 1st Driest
Driest since:
 1904
127th Wettest
Wettest since:
 1923
Jul–Dec 1904
6-Month 		3.96"
(100.58mm)		 6.83"
(173.48mm)		 -2.87"
(-72.90mm)		 2nd Driest
Driest since:
 1939
126th Wettest
Wettest since:
 1923
Jun–Dec 1904
7-Month 		5.80"
(147.32mm)		 8.67"
(220.22mm)		 -2.87"
(-72.90mm)		 9th Driest
Driest since:
 1935
119th Wettest
Wettest since:
 1923
May–Dec 1904
8-Month 		8.41"
(213.61mm)		 10.88"
(276.35mm)		 -2.47"
(-62.74mm)		 17th Driest
Driest since:
 1900
111th Wettest
Wettest since:
 1923
Apr–Dec 1904
9-Month 		10.46"
(265.68mm)		 12.66"
(321.56mm)		 -2.20"
(-55.88mm)		 24th Driest
Driest since:
 1954
104th Wettest
Wettest since:
 1941
Mar–Dec 1904
10-Month 		13.03"
(330.96mm)		 13.91"
(353.31mm)		 -0.88"
(-22.35mm)		 46th Driest
Driest since:
 2012
82nd Wettest
Wettest since:
 1941
Feb–Dec 1904
11-Month 		15.08"
(383.03mm)		 14.88"
(377.95mm)		 0.20"
(5.08mm)		 68th Driest
Driest since:
 2012
60th Wettest
Wettest since:
 1941
Jan–Dec 1904
12-Month 		15.80"
(401.32mm)		 15.94"
(404.88mm)		 -0.14"
(-3.56mm)		 57th Driest
Driest since:
 2012
71st Wettest
Wettest since:
 1927
Ties: 1948
Jul 1903–Dec 1904
18-Month 		23.01"
(584.45mm)		 22.77"
(578.36mm)		 0.24"
(6.09mm)		 67th Driest
Driest since:
 1934
60th Wettest
Wettest since:
 1927
Jan 1903–Dec 1904
24-Month 		31.47"
(799.34mm)		 31.87"
(809.50mm)		 -0.40"
(-10.16mm)		 57th Driest
Driest since:
 2002
70th Wettest
Wettest since:
 1983
Jan 1902–Dec 1904
36-Month 		43.21"
(1,097.53mm)		 47.82"
(1,214.63mm)		 -4.61"
(-117.10mm)		 21st Driest
Driest since:
 2002
105th Wettest
Wettest since:
 1947
Jan 1901–Dec 1904
48-Month 		58.56"
(1,487.42mm)		 63.72"
(1,618.49mm)		 -5.16"
(-131.07mm)		 20th Driest
Driest since:
 2003
105th Wettest
Wettest since:
 1998
Jan 1900–Dec 1904
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: 1955

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