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 2007

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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 2007
1-Month 		1.31"
(33.27mm)		 1.01"
(25.65mm)		 0.30"
(7.62mm)		 103rd Driest
Driest since:
 1986
26th Wettest
Wettest since:
 1964, 1996
Ties: 1973
Nov–Dec 2007
2-Month 		1.83"
(46.48mm)		 2.05"
(52.07mm)		 -0.22"
(-5.59mm)		 48th Driest
Driest since:
 1914
81st Wettest
Wettest since:
 1983
Oct–Dec 2007
3-Month 		3.75"
(95.25mm)		 3.24"
(82.30mm)		 0.51"
(12.95mm)		 93rd Driest
Driest since:
 1976
36th Wettest
Wettest since:
 1942
Ties: 1982
Sep–Dec 2007
4-Month 		4.93"
(125.22mm)		 4.48"
(113.79mm)		 0.45"
(11.43mm)		 90th Driest
Driest since:
 1952
39th Wettest
Wettest since:
 2013
Aug–Dec 2007
5-Month 		6.29"
(159.77mm)		 5.55"
(140.97mm)		 0.74"
(18.80mm)		 95th Driest
Driest since:
 1904
34th Wettest
Wettest since:
 1923
Ties: 1997
Jul–Dec 2007
6-Month 		7.62"
(193.55mm)		 6.83"
(173.48mm)		 0.79"
(20.07mm)		 96th Driest
Driest since:
 1939
33rd Wettest
Wettest since:
 1923
Jun–Dec 2007
7-Month 		8.70"
(220.98mm)		 8.67"
(220.22mm)		 0.03"
(0.76mm)		 75th Driest
Driest since:
 1935
54th Wettest
Wettest since:
 1923
May–Dec 2007
8-Month 		10.84"
(275.34mm)		 10.88"
(276.35mm)		 -0.04"
(-1.01mm)		 66th Driest
Driest since:
 1900
63rd Wettest
Wettest since:
 1923
Apr–Dec 2007
9-Month 		12.04"
(305.82mm)		 12.66"
(321.56mm)		 -0.62"
(-15.74mm)		 51st Driest
Driest since:
 1954
78th Wettest
Wettest since:
 1941
Mar–Dec 2007
10-Month 		13.45"
(341.63mm)		 13.91"
(353.31mm)		 -0.46"
(-11.68mm)		 58th Driest
Driest since:
 2012
71st Wettest
Wettest since:
 1941
Feb–Dec 2007
11-Month 		14.35"
(364.49mm)		 14.88"
(377.95mm)		 -0.53"
(-13.46mm)		 52nd Driest
Driest since:
 2012
77th Wettest
Wettest since:
 1941
Jan–Dec 2007
12-Month 		15.05"
(382.27mm)		 15.94"
(404.88mm)		 -0.89"
(-22.61mm)		 47th Driest
Driest since:
 2012
82nd Wettest
Wettest since:
 1927
Jul 2006–Dec 2007
18-Month 		21.74"
(552.20mm)		 22.77"
(578.36mm)		 -1.03"
(-26.16mm)		 53rd Driest
Driest since:
 1934
75th Wettest
Wettest since:
 1927
Jan 2006–Dec 2007
24-Month 		27.79"
(705.87mm)		 31.87"
(809.50mm)		 -4.08"
(-103.63mm)		 19th Driest
Driest since:
 2002
109th Wettest
Wettest since:
 1983
Jan 2005–Dec 2007
36-Month 		44.06"
(1,119.12mm)		 47.82"
(1,214.63mm)		 -3.76"
(-95.51mm)		 28th Driest
Driest since:
 2002
99th Wettest
Wettest since:
 1947
Jan 2004–Dec 2007
48-Month 		58.62"
(1,488.95mm)		 63.72"
(1,618.49mm)		 -5.10"
(-129.54mm)		 21st Driest
Driest since:
 2003
105th Wettest
Wettest since:
 1998
Jan 2003–Dec 2007
60-Month 		73.75"
(1,873.25mm)		 79.58"
(2,021.33mm)		 -5.83"
(-148.08mm)		 22nd Driest
Driest since:
 1935
103rd Wettest
Wettest since:
 1999

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