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 1990

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1990
1-Month
1.14"
(28.96mm)
1.20"
(30.48mm)
-0.06"
(-1.52mm)
61st Driest
Driest since:
1933
68th Wettest
Wettest since:
1994
Ties: 1960
Sep–Oct 1990
2-Month
2.19"
(55.63mm)
2.44"
(61.98mm)
-0.25"
(-6.35mm)
52nd Driest
Driest since:
1952
77th Wettest
Wettest since:
2013
Aug–Oct 1990
3-Month
3.31"
(84.07mm)
3.51"
(89.15mm)
-0.20"
(-5.08mm)
58th Driest
Driest since:
1958
71st Wettest
Wettest since:
1923
Jul–Oct 1990
4-Month
5.21"
(132.33mm)
4.79"
(121.67mm)
0.42"
(10.66mm)
90th Driest
Driest since:
1964
39th Wettest
Wettest since:
1923
Jun–Oct 1990
5-Month
6.40"
(162.56mm)
6.62"
(168.15mm)
-0.22"
(-5.59mm)
68th Driest
Driest since:
1988
61st Wettest
Wettest since:
1923
Ties: 1948, 1971
May–Oct 1990
6-Month
8.17"
(207.52mm)
8.84"
(224.54mm)
-0.67"
(-17.02mm)
53rd Driest
Driest since:
2012
76th Wettest
Wettest since:
1923
Apr–Oct 1990
7-Month
10.22"
(259.59mm)
10.61"
(269.49mm)
-0.39"
(-9.90mm)
61st Driest
Driest since:
2012
68th Wettest
Wettest since:
1941
Mar–Oct 1990
8-Month
11.66"
(296.16mm)
11.86"
(301.24mm)
-0.20"
(-5.08mm)
63rd Driest
Driest since:
2012
66th Wettest
Wettest since:
1941
Feb–Oct 1990
9-Month
12.35"
(313.69mm)
12.83"
(325.88mm)
-0.48"
(-12.19mm)
55th Driest
Driest since:
2012
74th Wettest
Wettest since:
1941
Jan–Oct 1990
10-Month
13.33"
(338.58mm)
13.89"
(352.81mm)
-0.56"
(-14.23mm)
53rd Driest
Driest since:
2012
76th Wettest
Wettest since:
1923
Ties: 1989
Dec 1989–Oct 1990
11-Month
14.22"
(361.19mm)
14.90"
(378.46mm)
-0.68"
(-17.27mm)
51st Driest
Driest since:
2012
77th Wettest
Wettest since:
1923
Nov 1989–Oct 1990
12-Month
15.02"
(381.51mm)
15.94"
(404.88mm)
-0.92"
(-23.37mm)
47th Driest
Driest since:
1960
81st Wettest
Wettest since:
1923
May 1989–Oct 1990
18-Month
23.63"
(600.20mm)
24.75"
(628.65mm)
-1.12"
(-28.45mm)
51st Driest
Driest since:
1934
77th Wettest
Wettest since:
1927
Nov 1988–Oct 1990
24-Month
30.52"
(775.21mm)
31.86"
(809.24mm)
-1.34"
(-34.03mm)
44th Driest
Driest since:
2002
83rd Wettest
Wettest since:
1998
Nov 1987–Oct 1990
36-Month
42.03"
(1,067.56mm)
47.81"
(1,214.37mm)
-5.78"
(-146.81mm)
17th Driest
Driest since:
2002
109th Wettest
Wettest since:
1947
Nov 1986–Oct 1990
48-Month
56.26"
(1,429.00mm)
63.72"
(1,618.49mm)
-7.46"
(-189.49mm)
11th Driest
Driest since:
2003
114th Wettest
Wettest since:
1998
Nov 1985–Oct 1990
60-Month
75.41"
(1,915.41mm)
79.57"
(2,021.08mm)
-4.16"
(-105.67mm)
35th Driest
Driest since:
1935
89th Wettest
Wettest since:
1999

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