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 1959

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2021)		 Wettest/Driest
Since		 Record
December 1959
1-Month 		0.37"
(9.40mm)		 1.01"
(25.65mm)		 -0.64"
(-16.25mm)		 6th Driest
Driest since:
 1986
122nd Wettest
Wettest since:
 1964, 1996
Nov–Dec 1959
2-Month 		1.00"
(25.40mm)		 2.05"
(52.07mm)		 -1.05"
(-26.67mm)		 5th Driest
Driest since:
 1914
123rd Wettest
Wettest since:
 1983
Ties: 1930
Oct–Dec 1959
3-Month 		2.12"
(53.85mm)		 3.24"
(82.30mm)		 -1.12"
(-28.45mm)		 12th Driest
Driest since:
 1976
116th Wettest
Wettest since:
 1942
Sep–Dec 1959
4-Month 		4.01"
(101.85mm)		 4.48"
(113.79mm)		 -0.47"
(-11.94mm)		 43rd Driest
Driest since:
 1952
85th Wettest
Wettest since:
 2013
Aug–Dec 1959
5-Month 		4.75"
(120.65mm)		 5.55"
(140.97mm)		 -0.80"
(-20.32mm)		 34th Driest
Driest since:
 1904
94th Wettest
Wettest since:
 1923
Jul–Dec 1959
6-Month 		5.19"
(131.83mm)		 6.83"
(173.48mm)		 -1.64"
(-41.65mm)		 19th Driest
Driest since:
 1939
109th Wettest
Wettest since:
 1923
Jun–Dec 1959
7-Month 		7.15"
(181.61mm)		 8.67"
(220.22mm)		 -1.52"
(-38.61mm)		 27th Driest
Driest since:
 1935
101st Wettest
Wettest since:
 1923
May–Dec 1959
8-Month 		9.47"
(240.54mm)		 10.88"
(276.35mm)		 -1.41"
(-35.81mm)		 38th Driest
Driest since:
 1900
90th Wettest
Wettest since:
 1923
Apr–Dec 1959
9-Month 		10.60"
(269.24mm)		 12.66"
(321.56mm)		 -2.06"
(-52.32mm)		 28th Driest
Driest since:
 1954
100th Wettest
Wettest since:
 1941
Mar–Dec 1959
10-Month 		11.79"
(299.47mm)		 13.91"
(353.31mm)		 -2.12"
(-53.84mm)		 28th Driest
Driest since:
 2012
100th Wettest
Wettest since:
 1941
Feb–Dec 1959
11-Month 		13.04"
(331.22mm)		 14.88"
(377.95mm)		 -1.84"
(-46.73mm)		 28th Driest
Driest since:
 2012
100th Wettest
Wettest since:
 1941
Jan–Dec 1959
12-Month 		13.85"
(351.79mm)		 15.94"
(404.88mm)		 -2.09"
(-53.09mm)		 27th Driest
Driest since:
 2012
101st Wettest
Wettest since:
 1927
Jul 1958–Dec 1959
18-Month 		20.02"
(508.51mm)		 22.77"
(578.36mm)		 -2.75"
(-69.85mm)		 24th Driest
Driest since:
 1934
103rd Wettest
Wettest since:
 1927
Jan 1958–Dec 1959
24-Month 		28.23"
(717.04mm)		 31.87"
(809.50mm)		 -3.64"
(-92.46mm)		 22nd Driest
Driest since:
 2002
105th Wettest
Wettest since:
 1983
Jan 1957–Dec 1959
36-Month 		47.14"
(1,197.36mm)		 47.82"
(1,214.63mm)		 -0.68"
(-17.27mm)		 58th Driest
Driest since:
 2002
68th Wettest
Wettest since:
 1947
Jan 1956–Dec 1959
48-Month 		59.69"
(1,516.13mm)		 63.72"
(1,618.49mm)		 -4.03"
(-102.36mm)		 29th Driest
Driest since:
 2003
96th Wettest
Wettest since:
 1998
Jan 1955–Dec 1959
60-Month 		75.85"
(1,926.59mm)		 79.58"
(2,021.33mm)		 -3.73"
(-94.74mm)		 37th Driest
Driest since:
 1935
87th Wettest
Wettest since:
 1999

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