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, January 1977

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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
January 1977
1-Month 		0.82"
(20.83mm)		 1.06"
(26.92mm)		 -0.24"
(-6.09mm)		 40th Driest
Driest since:
 1961
89th Wettest
Wettest since:
 1895
Ties: 1946
Dec 1976–Jan 1977
2-Month 		1.16"
(29.46mm)		 2.07"
(52.58mm)		 -0.91"
(-23.12mm)		 7th Driest
Driest since:
 1931
121st Wettest
Wettest since:
 1997
Nov 1976–Jan 1977
3-Month 		1.54"
(39.12mm)		 3.10"
(78.74mm)		 -1.56"
(-39.62mm)		 3rd Driest
Driest since:
 1931
125th Wettest
Wettest since:
 1943
Oct 1976–Jan 1977
4-Month 		2.28"
(57.91mm)		 4.30"
(109.22mm)		 -2.02"
(-51.31mm)		 1st Driest
Driest since:
 1934, 1977
127th Wettest
Wettest since:
 1943
Ties: 1934
Sep 1976–Jan 1977
5-Month 		3.34"
(84.84mm)		 5.54"
(140.72mm)		 -2.20"
(-55.88mm)		 4th Driest
Driest since:
 1934
124th Wettest
Wettest since:
 1943
Aug 1976–Jan 1977
6-Month 		4.55"
(115.57mm)		 6.61"
(167.89mm)		 -2.06"
(-52.32mm)		 6th Driest
Driest since:
 1905
122nd Wettest
Wettest since:
 1928
Jul 1976–Jan 1977
7-Month 		5.60"
(142.24mm)		 7.89"
(200.41mm)		 -2.29"
(-58.17mm)		 8th Driest
Driest since:
 2021
120th Wettest
Wettest since:
 1924
Jun 1976–Jan 1977
8-Month 		8.02"
(203.71mm)		 9.72"
(246.89mm)		 -1.70"
(-43.18mm)		 24th Driest
Driest since:
 1934
104th Wettest
Wettest since:
 1999
Ties: 1911
May 1976–Jan 1977
9-Month 		9.99"
(253.75mm)		 11.92"
(302.77mm)		 -1.93"
(-49.02mm)		 25th Driest
Driest since:
 1901
103rd Wettest
Wettest since:
 1909
Apr 1976–Jan 1977
10-Month 		12.23"
(310.64mm)		 13.72"
(348.49mm)		 -1.49"
(-37.85mm)		 39th Driest
Driest since:
 1955
89th Wettest
Wettest since:
 1942
Mar 1976–Jan 1977
11-Month 		13.25"
(336.55mm)		 14.97"
(380.24mm)		 -1.72"
(-43.69mm)		 34th Driest
Driest since:
 2013
94th Wettest
Wettest since:
 1996
Feb 1976–Jan 1977
12-Month 		14.42"
(366.27mm)		 15.93"
(404.62mm)		 -1.51"
(-38.35mm)		 35th Driest
Driest since:
 2013
93rd Wettest
Wettest since:
 1996
Aug 1975–Jan 1977
18-Month 		20.38"
(517.65mm)		 22.54"
(572.52mm)		 -2.16"
(-54.87mm)		 30th Driest
Driest since:
 1935
97th Wettest
Wettest since:
 1996
Feb 1975–Jan 1977
24-Month 		30.93"
(785.62mm)		 31.88"
(809.75mm)		 -0.95"
(-24.13mm)		 50th Driest
Driest since:
 2003
77th Wettest
Wettest since:
 1943
Feb 1974–Jan 1977
36-Month 		44.25"
(1,123.95mm)		 47.78"
(1,213.61mm)		 -3.53"
(-89.66mm)		 31st Driest
Driest since:
 2003
95th Wettest
Wettest since:
 1948
Feb 1973–Jan 1977
48-Month 		62.72"
(1,593.09mm)		 63.65"
(1,616.71mm)		 -0.93"
(-23.62mm)		 58th Driest
Driest since:
 2004
67th Wettest
Wettest since:
 1999
Feb 1972–Jan 1977
60-Month 		78.74"
(2,000.00mm)		 79.51"
(2,019.55mm)		 -0.77"
(-19.55mm)		 59th Driest
Driest since:
 2005
65th Wettest
Wettest since:
 2000

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