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 1984

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1984
1-Month 		0.84"
(21.34mm)		 1.01"
(25.65mm)		 -0.17"
(-4.31mm)		 50th Driest
Driest since:
 1986
79th Wettest
Wettest since:
 1964, 1996
Ties: 1911, 1926, 1998, 2011
Nov–Dec 1984
2-Month 		1.84"
(46.74mm)		 2.05"
(52.07mm)		 -0.21"
(-5.33mm)		 49th Driest
Driest since:
 1914
80th Wettest
Wettest since:
 1983
Ties: 1913, 1966, 2021
Oct–Dec 1984
3-Month 		2.74"
(69.60mm)		 3.24"
(82.30mm)		 -0.50"
(-12.70mm)		 29th Driest
Driest since:
 1976
100th Wettest
Wettest since:
 1942
Sep–Dec 1984
4-Month 		4.29"
(108.97mm)		 4.48"
(113.79mm)		 -0.19"
(-4.82mm)		 59th Driest
Driest since:
 1952
70th Wettest
Wettest since:
 2013
Aug–Dec 1984
5-Month 		5.50"
(139.70mm)		 5.55"
(140.97mm)		 -0.05"
(-1.27mm)		 69th Driest
Driest since:
 1904
60th Wettest
Wettest since:
 1923
Jul–Dec 1984
6-Month 		7.37"
(187.20mm)		 6.83"
(173.48mm)		 0.54"
(13.72mm)		 86th Driest
Driest since:
 1939
43rd Wettest
Wettest since:
 1923
Jun–Dec 1984
7-Month 		9.27"
(235.46mm)		 8.67"
(220.22mm)		 0.60"
(15.24mm)		 89th Driest
Driest since:
 1935
40th Wettest
Wettest since:
 1923
May–Dec 1984
8-Month 		10.66"
(270.76mm)		 10.88"
(276.35mm)		 -0.22"
(-5.59mm)		 62nd Driest
Driest since:
 1900
67th Wettest
Wettest since:
 1923
Apr–Dec 1984
9-Month 		13.13"
(333.50mm)		 12.66"
(321.56mm)		 0.47"
(11.94mm)		 76th Driest
Driest since:
 1954
53rd Wettest
Wettest since:
 1941
Mar–Dec 1984
10-Month 		14.35"
(364.49mm)		 13.91"
(353.31mm)		 0.44"
(11.18mm)		 77th Driest
Driest since:
 2012
52nd Wettest
Wettest since:
 1941
Ties: 1972
Feb–Dec 1984
11-Month 		15.01"
(381.25mm)		 14.88"
(377.95mm)		 0.13"
(3.30mm)		 68th Driest
Driest since:
 2012
61st Wettest
Wettest since:
 1941
Jan–Dec 1984
12-Month 		15.63"
(397.00mm)		 15.94"
(404.88mm)		 -0.31"
(-7.88mm)		 55th Driest
Driest since:
 2012
74th Wettest
Wettest since:
 1927
Jul 1983–Dec 1984
18-Month 		25.07"
(636.78mm)		 22.77"
(578.36mm)		 2.30"
(58.42mm)		 100th Driest
Driest since:
 1934
28th Wettest
Wettest since:
 1927
Jan 1983–Dec 1984
24-Month 		34.40"
(873.76mm)		 31.87"
(809.50mm)		 2.53"
(64.26mm)		 97th Driest
Driest since:
 2002
31st Wettest
Wettest since:
 1983
Jan 1982–Dec 1984
36-Month 		53.90"
(1,369.06mm)		 47.82"
(1,214.63mm)		 6.08"
(154.43mm)		 119th Driest
Driest since:
 2002
8th Wettest
Wettest since:
 1947
Jan 1981–Dec 1984
48-Month 		69.82"
(1,773.43mm)		 63.72"
(1,618.49mm)		 6.10"
(154.94mm)		 108th Driest
Driest since:
 2003
18th Wettest
Wettest since:
 1998
Jan 1980–Dec 1984
60-Month 		85.75"
(2,178.05mm)		 79.58"
(2,021.33mm)		 6.17"
(156.72mm)		 106th Driest
Driest since:
 1935
19th Wettest
Wettest since:
 1999

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