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 1998

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 1998
1-Month 		1.41"
(35.81mm)		 1.06"
(26.92mm)		 0.35"
(8.89mm)		 105th Driest
Driest since:
 1961
25th Wettest
Wettest since:
 1895
Dec 1997–Jan 1998
2-Month 		2.30"
(58.42mm)		 2.07"
(52.58mm)		 0.23"
(5.84mm)		 91st Driest
Driest since:
 1931
38th Wettest
Wettest since:
 1997
Ties: 1917
Nov 1997–Jan 1998
3-Month 		2.85"
(72.39mm)		 3.10"
(78.74mm)		 -0.25"
(-6.35mm)		 50th Driest
Driest since:
 1931
79th Wettest
Wettest since:
 1943
Oct 1997–Jan 1998
4-Month 		4.23"
(107.44mm)		 4.30"
(109.22mm)		 -0.07"
(-1.78mm)		 62nd Driest
Driest since:
 1934, 1977
67th Wettest
Wettest since:
 1943
Sep 1997–Jan 1998
5-Month 		5.95"
(151.13mm)		 5.54"
(140.72mm)		 0.41"
(10.41mm)		 84th Driest
Driest since:
 1934
45th Wettest
Wettest since:
 1943
Aug 1997–Jan 1998
6-Month 		7.70"
(195.58mm)		 6.61"
(167.89mm)		 1.09"
(27.69mm)		 102nd Driest
Driest since:
 1905
27th Wettest
Wettest since:
 1928
Ties: 1926
Jul 1997–Jan 1998
7-Month 		9.93"
(252.22mm)		 7.89"
(200.41mm)		 2.04"
(51.81mm)		 117th Driest
Driest since:
 2021
12th Wettest
Wettest since:
 1924
Jun 1997–Jan 1998
8-Month 		12.07"
(306.58mm)		 9.72"
(246.89mm)		 2.35"
(59.69mm)		 117th Driest
Driest since:
 1934
12th Wettest
Wettest since:
 1999
May 1997–Jan 1998
9-Month 		14.11"
(358.39mm)		 11.92"
(302.77mm)		 2.19"
(55.62mm)		 114th Driest
Driest since:
 1901
15th Wettest
Wettest since:
 1909
Ties: 1979
Apr 1997–Jan 1998
10-Month 		16.05"
(407.67mm)		 13.72"
(348.49mm)		 2.33"
(59.18mm)		 110th Driest
Driest since:
 1955
19th Wettest
Wettest since:
 1942
Mar 1997–Jan 1998
11-Month 		16.94"
(430.28mm)		 14.97"
(380.24mm)		 1.97"
(50.04mm)		 104th Driest
Driest since:
 2013
25th Wettest
Wettest since:
 1996
Feb 1997–Jan 1998
12-Month 		17.79"
(451.87mm)		 15.93"
(404.62mm)		 1.86"
(47.25mm)		 101st Driest
Driest since:
 2013
28th Wettest
Wettest since:
 1996
Aug 1996–Jan 1998
18-Month 		26.45"
(671.83mm)		 22.54"
(572.52mm)		 3.91"
(99.31mm)		 118th Driest
Driest since:
 1935
10th Wettest
Wettest since:
 1996
Feb 1996–Jan 1998
24-Month 		35.07"
(890.78mm)		 31.88"
(809.75mm)		 3.19"
(81.03mm)		 105th Driest
Driest since:
 2003
23rd Wettest
Wettest since:
 1943
Feb 1995–Jan 1998
36-Month 		55.90"
(1,419.86mm)		 47.78"
(1,213.61mm)		 8.12"
(206.25mm)		 125th Driest
Driest since:
 2003
2nd Wettest
Wettest since:
 1948
Feb 1994–Jan 1998
48-Month 		70.05"
(1,779.27mm)		 63.65"
(1,616.71mm)		 6.40"
(162.56mm)		 111th Driest
Driest since:
 2004
15th Wettest
Wettest since:
 1999
Feb 1993–Jan 1998
60-Month 		88.51"
(2,248.15mm)		 79.51"
(2,019.55mm)		 9.00"
(228.60mm)		 118th Driest
Driest since:
 2005
7th Wettest
Wettest since:
 2000

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