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 1980

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1980
1-Month 		1.19"
(30.23mm)		 1.20"
(30.48mm)		 -0.01"
(-0.25mm)		 67th Driest
Driest since:
 1933
62nd Wettest
Wettest since:
 1994
Ties: 2019
Sep–Oct 1980
2-Month 		2.21"
(56.13mm)		 2.44"
(61.98mm)		 -0.23"
(-5.85mm)		 53rd Driest
Driest since:
 1952
76th Wettest
Wettest since:
 2013
Ties: 1896, 1900, 1928
Aug–Oct 1980
3-Month 		3.77"
(95.76mm)		 3.51"
(89.15mm)		 0.26"
(6.61mm)		 82nd Driest
Driest since:
 1958
47th Wettest
Wettest since:
 1923
Jul–Oct 1980
4-Month 		4.64"
(117.86mm)		 4.79"
(121.67mm)		 -0.15"
(-3.81mm)		 63rd Driest
Driest since:
 1964
66th Wettest
Wettest since:
 1923
Jun–Oct 1980
5-Month 		5.51"
(139.95mm)		 6.62"
(168.15mm)		 -1.11"
(-28.20mm)		 37th Driest
Driest since:
 1988
92nd Wettest
Wettest since:
 1923
May–Oct 1980
6-Month 		8.88"
(225.55mm)		 8.84"
(224.54mm)		 0.04"
(1.01mm)		 71st Driest
Driest since:
 2012
58th Wettest
Wettest since:
 1923
Ties: 1942
Apr–Oct 1980
7-Month 		9.80"
(248.92mm)		 10.61"
(269.49mm)		 -0.81"
(-20.57mm)		 50th Driest
Driest since:
 2012
79th Wettest
Wettest since:
 1941
Ties: 1989
Mar–Oct 1980
8-Month 		11.39"
(289.31mm)		 11.86"
(301.24mm)		 -0.47"
(-11.93mm)		 55th Driest
Driest since:
 2012
74th Wettest
Wettest since:
 1941
Feb–Oct 1980
9-Month 		12.28"
(311.91mm)		 12.83"
(325.88mm)		 -0.55"
(-13.97mm)		 54th Driest
Driest since:
 2012
75th Wettest
Wettest since:
 1941
Jan–Oct 1980
10-Month 		14.32"
(363.73mm)		 13.89"
(352.81mm)		 0.43"
(10.92mm)		 74th Driest
Driest since:
 2012
55th Wettest
Wettest since:
 1923
Dec 1979–Oct 1980
11-Month 		14.84"
(376.94mm)		 14.90"
(378.46mm)		 -0.06"
(-1.52mm)		 63rd Driest
Driest since:
 2012
65th Wettest
Wettest since:
 1923
Nov 1979–Oct 1980
12-Month 		15.74"
(399.80mm)		 15.94"
(404.88mm)		 -0.20"
(-5.08mm)		 61st Driest
Driest since:
 1960
67th Wettest
Wettest since:
 1923
May 1979–Oct 1980
18-Month 		23.12"
(587.25mm)		 24.75"
(628.65mm)		 -1.63"
(-41.40mm)		 43rd Driest
Driest since:
 1934
85th Wettest
Wettest since:
 1927
Ties: 1914, 2020
Nov 1978–Oct 1980
24-Month 		30.09"
(764.29mm)		 31.86"
(809.24mm)		 -1.77"
(-44.95mm)		 41st Driest
Driest since:
 2002
86th Wettest
Wettest since:
 1998
Nov 1977–Oct 1980
36-Month 		48.03"
(1,219.96mm)		 47.81"
(1,214.37mm)		 0.22"
(5.59mm)		 73rd Driest
Driest since:
 2002
53rd Wettest
Wettest since:
 1947
Ties: 1963
Nov 1976–Oct 1980
48-Month 		61.43"
(1,560.32mm)		 63.72"
(1,618.49mm)		 -2.29"
(-58.17mm)		 44th Driest
Driest since:
 2003
81st Wettest
Wettest since:
 1998
Nov 1975–Oct 1980
60-Month 		77.55"
(1,969.77mm)		 79.57"
(2,021.08mm)		 -2.02"
(-51.31mm)		 48th Driest
Driest since:
 1935
76th Wettest
Wettest since:
 1999

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