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 2003

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 2003
1-Month 		1.23"
(31.24mm)		 1.01"
(25.65mm)		 0.22"
(5.59mm)		 94th Driest
Driest since:
 1986
35th Wettest
Wettest since:
 1964, 1996
Ties: 1942, 1975
Nov–Dec 2003
2-Month 		2.37"
(60.20mm)		 2.05"
(52.07mm)		 0.32"
(8.13mm)		 93rd Driest
Driest since:
 1914
36th Wettest
Wettest since:
 1983
Ties: 1982
Oct–Dec 2003
3-Month 		3.06"
(77.72mm)		 3.24"
(82.30mm)		 -0.18"
(-4.58mm)		 50th Driest
Driest since:
 1976
79th Wettest
Wettest since:
 1942
Ties: 1966
Sep–Dec 2003
4-Month 		4.34"
(110.24mm)		 4.48"
(113.79mm)		 -0.14"
(-3.55mm)		 61st Driest
Driest since:
 1952
68th Wettest
Wettest since:
 2013
Aug–Dec 2003
5-Month 		5.37"
(136.40mm)		 5.55"
(140.97mm)		 -0.18"
(-4.57mm)		 61st Driest
Driest since:
 1904
68th Wettest
Wettest since:
 1923
Jul–Dec 2003
6-Month 		5.77"
(146.56mm)		 6.83"
(173.48mm)		 -1.06"
(-26.92mm)		 34th Driest
Driest since:
 1939
95th Wettest
Wettest since:
 1923
Jun–Dec 2003
7-Month 		7.96"
(202.18mm)		 8.67"
(220.22mm)		 -0.71"
(-18.04mm)		 42nd Driest
Driest since:
 1935
87th Wettest
Wettest since:
 1923
Ties: 1924
May–Dec 2003
8-Month 		9.63"
(244.60mm)		 10.88"
(276.35mm)		 -1.25"
(-31.75mm)		 41st Driest
Driest since:
 1900
88th Wettest
Wettest since:
 1923
Apr–Dec 2003
9-Month 		11.15"
(283.21mm)		 12.66"
(321.56mm)		 -1.51"
(-38.35mm)		 38th Driest
Driest since:
 1954
91st Wettest
Wettest since:
 1941
Mar–Dec 2003
10-Month 		13.21"
(335.53mm)		 13.91"
(353.31mm)		 -0.70"
(-17.78mm)		 48th Driest
Driest since:
 2012
81st Wettest
Wettest since:
 1941
Feb–Dec 2003
11-Month 		14.32"
(363.73mm)		 14.88"
(377.95mm)		 -0.56"
(-14.22mm)		 51st Driest
Driest since:
 2012
78th Wettest
Wettest since:
 1941
Jan–Dec 2003
12-Month 		15.13"
(384.30mm)		 15.94"
(404.88mm)		 -0.81"
(-20.58mm)		 49th Driest
Driest since:
 2012
80th Wettest
Wettest since:
 1927
Jul 2002–Dec 2003
18-Month 		21.29"
(540.77mm)		 22.77"
(578.36mm)		 -1.48"
(-37.59mm)		 42nd Driest
Driest since:
 1934
86th Wettest
Wettest since:
 1927
Jan 2002–Dec 2003
24-Month 		27.10"
(688.34mm)		 31.87"
(809.50mm)		 -4.77"
(-121.16mm)		 14th Driest
Driest since:
 2002
114th Wettest
Wettest since:
 1983
Jan 2001–Dec 2003
36-Month 		39.01"
(990.85mm)		 47.82"
(1,214.63mm)		 -8.81"
(-223.78mm)		 2nd Driest
Driest since:
 2002
125th Wettest
Wettest since:
 1947
Jan 2000–Dec 2003
48-Month 		53.32"
(1,354.33mm)		 63.72"
(1,618.49mm)		 -10.40"
(-264.16mm)		 1st Driest
Driest to Date
 2003
125th Wettest
Wettest since:
 1998
Jan 1999–Dec 2003
60-Month 		69.26"
(1,759.20mm)		 79.58"
(2,021.33mm)		 -10.32"
(-262.13mm)		 4th Driest
Driest since:
 1935
121st Wettest
Wettest since:
 1999

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