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 1988

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1988
1-Month 		0.26"
(6.60mm)		 1.20"
(30.48mm)		 -0.94"
(-23.88mm)		 4th Driest
Driest since:
 1933
125th Wettest
Wettest since:
 1994
Sep–Oct 1988
2-Month 		1.30"
(33.02mm)		 2.44"
(61.98mm)		 -1.14"
(-28.96mm)		 13th Driest
Driest since:
 1952
116th Wettest
Wettest since:
 2013
Aug–Oct 1988
3-Month 		1.82"
(46.23mm)		 3.51"
(89.15mm)		 -1.69"
(-42.92mm)		 7th Driest
Driest since:
 1958
122nd Wettest
Wettest since:
 1923
Jul–Oct 1988
4-Month 		2.36"
(59.94mm)		 4.79"
(121.67mm)		 -2.43"
(-61.73mm)		 2nd Driest
Driest since:
 1964
127th Wettest
Wettest since:
 1923
Jun–Oct 1988
5-Month 		3.21"
(81.53mm)		 6.62"
(168.15mm)		 -3.41"
(-86.62mm)		 1st Driest
Driest since:
 1988
128th Wettest
Wettest since:
 1923
May–Oct 1988
6-Month 		5.10"
(129.54mm)		 8.84"
(224.54mm)		 -3.74"
(-95.00mm)		 2nd Driest
Driest since:
 2012
127th Wettest
Wettest since:
 1923
Apr–Oct 1988
7-Month 		6.39"
(162.31mm)		 10.61"
(269.49mm)		 -4.22"
(-107.18mm)		 2nd Driest
Driest since:
 2012
127th Wettest
Wettest since:
 1941
Mar–Oct 1988
8-Month 		7.65"
(194.31mm)		 11.86"
(301.24mm)		 -4.21"
(-106.93mm)		 2nd Driest
Driest since:
 2012
127th Wettest
Wettest since:
 1941
Feb–Oct 1988
9-Month 		8.37"
(212.60mm)		 12.83"
(325.88mm)		 -4.46"
(-113.28mm)		 2nd Driest
Driest since:
 2012
127th Wettest
Wettest since:
 1941
Jan–Oct 1988
10-Month 		9.25"
(234.95mm)		 13.89"
(352.81mm)		 -4.64"
(-117.86mm)		 2nd Driest
Driest since:
 2012
127th Wettest
Wettest since:
 1923
Dec 1987–Oct 1988
11-Month 		10.41"
(264.41mm)		 14.90"
(378.46mm)		 -4.49"
(-114.05mm)		 4th Driest
Driest since:
 2012
124th Wettest
Wettest since:
 1923
Nov 1987–Oct 1988
12-Month 		11.51"
(292.35mm)		 15.94"
(404.88mm)		 -4.43"
(-112.53mm)		 4th Driest
Driest since:
 1960
124th Wettest
Wettest since:
 1923
May 1987–Oct 1988
18-Month 		20.38"
(517.65mm)		 24.75"
(628.65mm)		 -4.37"
(-111.00mm)		 13th Driest
Driest since:
 1934
115th Wettest
Wettest since:
 1927
Nov 1986–Oct 1988
24-Month 		25.74"
(653.80mm)		 31.86"
(809.24mm)		 -6.12"
(-155.44mm)		 3rd Driest
Driest since:
 2002
124th Wettest
Wettest since:
 1998
Nov 1985–Oct 1988
36-Month 		44.89"
(1,140.21mm)		 47.81"
(1,214.37mm)		 -2.92"
(-74.16mm)		 32nd Driest
Driest since:
 2002
94th Wettest
Wettest since:
 1947
Nov 1984–Oct 1988
48-Month 		58.08"
(1,475.23mm)		 63.72"
(1,618.49mm)		 -5.64"
(-143.26mm)		 16th Driest
Driest since:
 2003
109th Wettest
Wettest since:
 1998
Nov 1983–Oct 1988
60-Month 		75.78"
(1,924.81mm)		 79.57"
(2,021.08mm)		 -3.79"
(-96.27mm)		 36th Driest
Driest since:
 1935
88th Wettest
Wettest since:
 1999
Ties: 1933

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