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 2001

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 2001
1-Month 		0.74"
(18.80mm)		 1.01"
(25.65mm)		 -0.27"
(-6.85mm)		 31st Driest
Driest since:
 1986
98th Wettest
Wettest since:
 1964, 1996
Nov–Dec 2001
2-Month 		1.69"
(42.93mm)		 2.05"
(52.07mm)		 -0.36"
(-9.14mm)		 35th Driest
Driest since:
 1914
94th Wettest
Wettest since:
 1983
Ties: 1989
Oct–Dec 2001
3-Month 		2.79"
(70.87mm)		 3.24"
(82.30mm)		 -0.45"
(-11.43mm)		 33rd Driest
Driest since:
 1976
96th Wettest
Wettest since:
 1942
Sep–Dec 2001
4-Month 		3.69"
(93.73mm)		 4.48"
(113.79mm)		 -0.79"
(-20.06mm)		 30th Driest
Driest since:
 1952
99th Wettest
Wettest since:
 2013
Aug–Dec 2001
5-Month 		4.32"
(109.73mm)		 5.55"
(140.97mm)		 -1.23"
(-31.24mm)		 21st Driest
Driest since:
 1904
108th Wettest
Wettest since:
 1923
Jul–Dec 2001
6-Month 		5.82"
(147.83mm)		 6.83"
(173.48mm)		 -1.01"
(-25.65mm)		 35th Driest
Driest since:
 1939
94th Wettest
Wettest since:
 1923
Jun–Dec 2001
7-Month 		7.07"
(179.58mm)		 8.67"
(220.22mm)		 -1.60"
(-40.64mm)		 24th Driest
Driest since:
 1935
105th Wettest
Wettest since:
 1923
May–Dec 2001
8-Month 		8.20"
(208.28mm)		 10.88"
(276.35mm)		 -2.68"
(-68.07mm)		 15th Driest
Driest since:
 1900
114th Wettest
Wettest since:
 1923
Apr–Dec 2001
9-Month 		9.94"
(252.48mm)		 12.66"
(321.56mm)		 -2.72"
(-69.08mm)		 18th Driest
Driest since:
 1954
111th Wettest
Wettest since:
 1941
Mar–Dec 2001
10-Month 		10.62"
(269.75mm)		 13.91"
(353.31mm)		 -3.29"
(-83.56mm)		 11th Driest
Driest since:
 2012
118th Wettest
Wettest since:
 1941
Feb–Dec 2001
11-Month 		11.54"
(293.12mm)		 14.88"
(377.95mm)		 -3.34"
(-84.83mm)		 13th Driest
Driest since:
 2012
116th Wettest
Wettest since:
 1941
Jan–Dec 2001
12-Month 		11.91"
(302.51mm)		 15.94"
(404.88mm)		 -4.03"
(-102.37mm)		 7th Driest
Driest since:
 2012
122nd Wettest
Wettest since:
 1927
Jul 2000–Dec 2001
18-Month 		17.59"
(446.79mm)		 22.77"
(578.36mm)		 -5.18"
(-131.57mm)		 6th Driest
Driest since:
 1934
122nd Wettest
Wettest since:
 1927
Jan 2000–Dec 2001
24-Month 		26.22"
(665.99mm)		 31.87"
(809.50mm)		 -5.65"
(-143.51mm)		 8th Driest
Driest since:
 2002
120th Wettest
Wettest since:
 1983
Jan 1999–Dec 2001
36-Month 		42.16"
(1,070.86mm)		 47.82"
(1,214.63mm)		 -5.66"
(-143.77mm)		 16th Driest
Driest since:
 2002
111th Wettest
Wettest since:
 1947
Jan 1998–Dec 2001
48-Month 		61.73"
(1,567.94mm)		 63.72"
(1,618.49mm)		 -1.99"
(-50.55mm)		 49th Driest
Driest since:
 2003
77th Wettest
Wettest since:
 1998
Jan 1997–Dec 2001
60-Month 		79.71"
(2,024.63mm)		 79.58"
(2,021.33mm)		 0.13"
(3.30mm)		 68th Driest
Driest since:
 1935
57th Wettest
Wettest since:
 1999

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