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, August 1981

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1981
1-Month
0.87"
(22.10mm)
1.07"
(27.18mm)
-0.20"
(-5.08mm)
49th Driest
Driest since:
1944
80th Wettest
Wettest since:
1930
Ties: 1921
Jul–Aug 1981
2-Month
2.69"
(68.33mm)
2.35"
(59.69mm)
0.34"
(8.64mm)
95th Driest
Driest since:
2020
34th Wettest
Wettest since:
1930
Ties: 2007
Jun–Aug 1981
3-Month
3.78"
(96.01mm)
4.19"
(106.43mm)
-0.41"
(-10.42mm)
54th Driest
Driest since:
1924
75th Wettest
Wettest since:
1945
May–Aug 1981
4-Month
7.95"
(201.93mm)
6.40"
(162.56mm)
1.55"
(39.37mm)
109th Driest
Driest since:
1919
20th Wettest
Wettest since:
1908
Apr–Aug 1981
5-Month
9.10"
(231.14mm)
8.18"
(207.77mm)
0.92"
(23.37mm)
93rd Driest
Driest since:
1924
36th Wettest
Wettest since:
1941
Mar–Aug 1981
6-Month
10.28"
(261.11mm)
9.43"
(239.52mm)
0.85"
(21.59mm)
88th Driest
Driest since:
1919
41st Wettest
Wettest since:
1941
Feb–Aug 1981
7-Month
10.89"
(276.61mm)
10.39"
(263.91mm)
0.50"
(12.70mm)
77th Driest
Driest since:
1919
52nd Wettest
Wettest since:
1941
Jan–Aug 1981
8-Month
11.36"
(288.54mm)
11.46"
(291.08mm)
-0.10"
(-2.54mm)
60th Driest
Driest since:
1919
69th Wettest
Wettest since:
1899
Ties: 1917
Dec 1980–Aug 1981
9-Month
12.13"
(308.10mm)
12.47"
(316.74mm)
-0.34"
(-8.64mm)
53rd Driest
Driest since:
1919
75th Wettest
Wettest since:
1993
Nov 1980–Aug 1981
10-Month
12.97"
(329.44mm)
13.50"
(342.90mm)
-0.53"
(-13.46mm)
49th Driest
Driest since:
1919
79th Wettest
Wettest since:
1945
Oct 1980–Aug 1981
11-Month
14.16"
(359.66mm)
14.70"
(373.38mm)
-0.54"
(-13.72mm)
50th Driest
Driest since:
1919
78th Wettest
Wettest since:
1995
Ties: 1992
Sep 1980–Aug 1981
12-Month
15.18"
(385.57mm)
15.93"
(404.62mm)
-0.75"
(-19.05mm)
48th Driest
Driest since:
1934
80th Wettest
Wettest since:
1995
Mar 1980–Aug 1981
18-Month
24.36"
(618.74mm)
25.36"
(644.14mm)
-1.00"
(-25.40mm)
49th Driest
Driest since:
2013
79th Wettest
Wettest since:
1945
Sep 1979–Aug 1981
24-Month
30.13"
(765.30mm)
31.86"
(809.24mm)
-1.73"
(-43.94mm)
37th Driest
Driest since:
2002
90th Wettest
Wettest since:
2015
Sep 1978–Aug 1981
36-Month
44.73"
(1,136.14mm)
47.78"
(1,213.61mm)
-3.05"
(-77.47mm)
32nd Driest
Driest since:
2002
94th Wettest
Wettest since:
1997
Sep 1977–Aug 1981
48-Month
62.78"
(1,594.61mm)
63.68"
(1,617.47mm)
-0.90"
(-22.86mm)
60th Driest
Driest since:
2003
65th Wettest
Wettest since:
1998
Sep 1976–Aug 1981
60-Month
76.20"
(1,935.48mm)
79.53"
(2,020.06mm)
-3.33"
(-84.58mm)
41st Driest
Driest since:
2004
83rd Wettest
Wettest since:
1999

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