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 1964

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 1964
1-Month
0.84"
(21.34mm)
1.07"
(27.18mm)
-0.23"
(-5.84mm)
44th Driest
Driest since:
1944
85th Wettest
Wettest since:
1930
Ties: 1899, 1954, 2016
Jul–Aug 1964
2-Month
1.37"
(34.80mm)
2.35"
(59.69mm)
-0.98"
(-24.89mm)
11th Driest
Driest since:
2020
118th Wettest
Wettest since:
1930
Ties: 1939
Jun–Aug 1964
3-Month
4.71"
(119.63mm)
4.19"
(106.43mm)
0.52"
(13.20mm)
92nd Driest
Driest since:
1924
37th Wettest
Wettest since:
1945
Ties: 1977
May–Aug 1964
4-Month
7.03"
(178.56mm)
6.40"
(162.56mm)
0.63"
(16.00mm)
83rd Driest
Driest since:
1919
46th Wettest
Wettest since:
1908
Apr–Aug 1964
5-Month
9.51"
(241.55mm)
8.18"
(207.77mm)
1.33"
(33.78mm)
102nd Driest
Driest since:
1924
27th Wettest
Wettest since:
1941
Ties: 1999
Mar–Aug 1964
6-Month
10.61"
(269.49mm)
9.43"
(239.52mm)
1.18"
(29.97mm)
99th Driest
Driest since:
1919
30th Wettest
Wettest since:
1941
Feb–Aug 1964
7-Month
11.48"
(291.59mm)
10.39"
(263.91mm)
1.09"
(27.68mm)
93rd Driest
Driest since:
1919
36th Wettest
Wettest since:
1941
Jan–Aug 1964
8-Month
12.50"
(317.50mm)
11.46"
(291.08mm)
1.04"
(26.42mm)
89th Driest
Driest since:
1919
40th Wettest
Wettest since:
1899
Dec 1963–Aug 1964
9-Month
13.20"
(335.28mm)
12.47"
(316.74mm)
0.73"
(18.54mm)
79th Driest
Driest since:
1919
49th Wettest
Wettest since:
1993
Nov 1963–Aug 1964
10-Month
13.92"
(353.57mm)
13.50"
(342.90mm)
0.42"
(10.67mm)
72nd Driest
Driest since:
1919
56th Wettest
Wettest since:
1945
Oct 1963–Aug 1964
11-Month
14.63"
(371.60mm)
14.70"
(373.38mm)
-0.07"
(-1.78mm)
56th Driest
Driest since:
1919
72nd Wettest
Wettest since:
1995
Sep 1963–Aug 1964
12-Month
16.33"
(414.78mm)
15.93"
(404.62mm)
0.40"
(10.16mm)
69th Driest
Driest since:
1934
59th Wettest
Wettest since:
1995
Mar 1963–Aug 1964
18-Month
26.73"
(678.94mm)
25.36"
(644.14mm)
1.37"
(34.80mm)
84th Driest
Driest since:
2013
44th Wettest
Wettest since:
1945
Sep 1962–Aug 1964
24-Month
31.83"
(808.48mm)
31.86"
(809.24mm)
-0.03"
(-0.76mm)
61st Driest
Driest since:
2002
66th Wettest
Wettest since:
2015
Sep 1961–Aug 1964
36-Month
51.41"
(1,305.81mm)
47.78"
(1,213.61mm)
3.63"
(92.20mm)
101st Driest
Driest since:
2002
25th Wettest
Wettest since:
1997
Sep 1960–Aug 1964
48-Month
63.86"
(1,622.04mm)
63.68"
(1,617.47mm)
0.18"
(4.57mm)
69th Driest
Driest since:
2003
56th Wettest
Wettest since:
1998
Ties: 1967
Sep 1959–Aug 1964
60-Month
75.81"
(1,925.57mm)
79.53"
(2,020.06mm)
-3.72"
(-94.49mm)
35th Driest
Driest since:
2004
89th Wettest
Wettest since:
1999

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