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, October 1998

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1998
1-Month 		2.81"
(71.37mm)		 1.20"
(30.48mm)		 1.61"
(40.89mm)		 127th Driest
Driest since:
 1933
2nd Wettest
Wettest since:
 1994
Sep–Oct 1998
2-Month 		4.15"
(105.41mm)		 2.44"
(61.98mm)		 1.71"
(43.43mm)		 123rd Driest
Driest since:
 1952
6th Wettest
Wettest since:
 2013
Aug–Oct 1998
3-Month 		5.52"
(140.21mm)		 3.51"
(89.15mm)		 2.01"
(51.06mm)		 122nd Driest
Driest since:
 1958
7th Wettest
Wettest since:
 1923
Jul–Oct 1998
4-Month 		7.26"
(184.40mm)		 4.79"
(121.67mm)		 2.47"
(62.73mm)		 123rd Driest
Driest since:
 1964
6th Wettest
Wettest since:
 1923
Ties: 1941
Jun–Oct 1998
5-Month 		10.59"
(268.99mm)		 6.62"
(168.15mm)		 3.97"
(100.84mm)		 127th Driest
Driest since:
 1988
2nd Wettest
Wettest since:
 1923
May–Oct 1998
6-Month 		12.03"
(305.56mm)		 8.84"
(224.54mm)		 3.19"
(81.02mm)		 124th Driest
Driest since:
 2012
5th Wettest
Wettest since:
 1923
Apr–Oct 1998
7-Month 		13.39"
(340.11mm)		 10.61"
(269.49mm)		 2.78"
(70.62mm)		 119th Driest
Driest since:
 2012
10th Wettest
Wettest since:
 1941
Mar–Oct 1998
8-Month 		15.21"
(386.33mm)		 11.86"
(301.24mm)		 3.35"
(85.09mm)		 124th Driest
Driest since:
 2012
5th Wettest
Wettest since:
 1941
Feb–Oct 1998
9-Month 		16.11"
(409.19mm)		 12.83"
(325.88mm)		 3.28"
(83.31mm)		 122nd Driest
Driest since:
 2012
7th Wettest
Wettest since:
 1941
Jan–Oct 1998
10-Month 		17.52"
(445.01mm)		 13.89"
(352.81mm)		 3.63"
(92.20mm)		 125th Driest
Driest since:
 2012
4th Wettest
Wettest since:
 1923
Dec 1997–Oct 1998
11-Month 		18.41"
(467.61mm)		 14.90"
(378.46mm)		 3.51"
(89.15mm)		 122nd Driest
Driest since:
 2012
6th Wettest
Wettest since:
 1923
Nov 1997–Oct 1998
12-Month 		18.96"
(481.58mm)		 15.94"
(404.88mm)		 3.02"
(76.70mm)		 114th Driest
Driest since:
 1960
14th Wettest
Wettest since:
 1923
May 1997–Oct 1998
18-Month 		30.22"
(767.59mm)		 24.75"
(628.65mm)		 5.47"
(138.94mm)		 126th Driest
Driest since:
 1934
2nd Wettest
Wettest since:
 1927
Nov 1996–Oct 1998
24-Month 		39.17"
(994.92mm)		 31.86"
(809.24mm)		 7.31"
(185.68mm)		 126th Driest
Driest since:
 2002
1st Wettest
Wettest to Date
 1998
Nov 1995–Oct 1998
36-Month 		55.20"
(1,402.08mm)		 47.81"
(1,214.37mm)		 7.39"
(187.71mm)		 122nd Driest
Driest since:
 2002
4th Wettest
Wettest since:
 1947
Nov 1994–Oct 1998
48-Month 		75.17"
(1,909.32mm)		 63.72"
(1,618.49mm)		 11.45"
(290.83mm)		 124th Driest
Driest since:
 2003
1st Wettest
Wettest to Date
 1998
Nov 1993–Oct 1998
60-Month 		88.83"
(2,256.28mm)		 79.57"
(2,021.08mm)		 9.26"
(235.20mm)		 118th Driest
Driest since:
 1935
6th Wettest
Wettest since:
 1999
Ties: 1946

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