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 1989

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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 1989
1-Month 		0.80"
(20.32mm)		 1.06"
(26.92mm)		 -0.26"
(-6.60mm)		 35th Driest
Driest since:
 1961
94th Wettest
Wettest since:
 1895
Dec 1988–Jan 1989
2-Month 		1.48"
(37.59mm)		 2.07"
(52.58mm)		 -0.59"
(-14.99mm)		 25th Driest
Driest since:
 1931
103rd Wettest
Wettest since:
 1997
Nov 1988–Jan 1989
3-Month 		2.97"
(75.44mm)		 3.10"
(78.74mm)		 -0.13"
(-3.30mm)		 59th Driest
Driest since:
 1931
69th Wettest
Wettest since:
 1943
Ties: 2019
Oct 1988–Jan 1989
4-Month 		3.23"
(82.04mm)		 4.30"
(109.22mm)		 -1.07"
(-27.18mm)		 18th Driest
Driest since:
 1934, 1977
110th Wettest
Wettest since:
 1943
Sep 1988–Jan 1989
5-Month 		4.27"
(108.46mm)		 5.54"
(140.72mm)		 -1.27"
(-32.26mm)		 18th Driest
Driest since:
 1934
110th Wettest
Wettest since:
 1943
Ties: 1988
Aug 1988–Jan 1989
6-Month 		4.79"
(121.67mm)		 6.61"
(167.89mm)		 -1.82"
(-46.22mm)		 8th Driest
Driest since:
 1905
120th Wettest
Wettest since:
 1928
Ties: 1934
Jul 1988–Jan 1989
7-Month 		5.33"
(135.38mm)		 7.89"
(200.41mm)		 -2.56"
(-65.03mm)		 4th Driest
Driest since:
 2021
124th Wettest
Wettest since:
 1924
Jun 1988–Jan 1989
8-Month 		6.18"
(156.97mm)		 9.72"
(246.89mm)		 -3.54"
(-89.92mm)		 2nd Driest
Driest since:
 1934
126th Wettest
Wettest since:
 1999
May 1988–Jan 1989
9-Month 		8.07"
(204.98mm)		 11.92"
(302.77mm)		 -3.85"
(-97.79mm)		 5th Driest
Driest since:
 1901
123rd Wettest
Wettest since:
 1909
Apr 1988–Jan 1989
10-Month 		9.36"
(237.74mm)		 13.72"
(348.49mm)		 -4.36"
(-110.75mm)		 4th Driest
Driest since:
 1955
124th Wettest
Wettest since:
 1942
Mar 1988–Jan 1989
11-Month 		10.62"
(269.75mm)		 14.97"
(380.24mm)		 -4.35"
(-110.49mm)		 4th Driest
Driest since:
 2013
124th Wettest
Wettest since:
 1996
Feb 1988–Jan 1989
12-Month 		11.34"
(288.04mm)		 15.93"
(404.62mm)		 -4.59"
(-116.58mm)		 2nd Driest
Driest since:
 2013
126th Wettest
Wettest since:
 1996
Aug 1987–Jan 1989
18-Month 		17.00"
(431.80mm)		 22.54"
(572.52mm)		 -5.54"
(-140.72mm)		 4th Driest
Driest since:
 1935
123rd Wettest
Wettest since:
 1996
Feb 1987–Jan 1989
24-Month 		26.18"
(664.97mm)		 31.88"
(809.75mm)		 -5.70"
(-144.78mm)		 8th Driest
Driest since:
 2003
119th Wettest
Wettest since:
 1943
Feb 1986–Jan 1989
36-Month 		44.22"
(1,123.19mm)		 47.78"
(1,213.61mm)		 -3.56"
(-90.42mm)		 30th Driest
Driest since:
 2003
96th Wettest
Wettest since:
 1948
Feb 1985–Jan 1989
48-Month 		58.56"
(1,487.42mm)		 63.65"
(1,616.71mm)		 -5.09"
(-129.29mm)		 20th Driest
Driest since:
 2004
105th Wettest
Wettest since:
 1999
Feb 1984–Jan 1989
60-Month 		74.22"
(1,885.19mm)		 79.51"
(2,019.55mm)		 -5.29"
(-134.36mm)		 27th Driest
Driest since:
 2005
97th Wettest
Wettest since:
 2000

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