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 1901

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1901
1-Month
1.20"
(30.48mm)
1.07"
(27.18mm)
0.13"
(3.30mm)
91st Driest
Driest since:
1944
38th Wettest
Wettest to Date
1930
Jul–Aug 1901
2-Month
2.07"
(52.58mm)
2.35"
(59.69mm)
-0.28"
(-7.11mm)
57th Driest
Driest since:
2020
72nd Wettest
Wettest since:
1930
Ties: 1897, 2005
Jun–Aug 1901
3-Month
4.04"
(102.62mm)
4.19"
(106.43mm)
-0.15"
(-3.81mm)
66th Driest
Driest since:
1924
63rd Wettest
Wettest since:
1945
Ties: 1921
May–Aug 1901
4-Month
6.65"
(168.91mm)
6.40"
(162.56mm)
0.25"
(6.35mm)
75th Driest
Driest since:
1919
54th Wettest
Wettest since:
1908
Ties: 1976
Apr–Aug 1901
5-Month
8.47"
(215.14mm)
8.18"
(207.77mm)
0.29"
(7.37mm)
80th Driest
Driest since:
1924
49th Wettest
Wettest to Date
1941
Mar–Aug 1901
6-Month
9.64"
(244.86mm)
9.43"
(239.52mm)
0.21"
(5.34mm)
70th Driest
Driest since:
1919
59th Wettest
Wettest since:
1941
Feb–Aug 1901
7-Month
10.99"
(279.15mm)
10.39"
(263.91mm)
0.60"
(15.24mm)
82nd Driest
Driest since:
1919
47th Wettest
Wettest since:
1941
Ties: 1925
Jan–Aug 1901
8-Month
11.73"
(297.94mm)
11.46"
(291.08mm)
0.27"
(6.86mm)
69th Driest
Driest since:
1919
60th Wettest
Wettest since:
1899
Dec 1900–Aug 1901
9-Month
12.40"
(314.96mm)
12.47"
(316.74mm)
-0.07"
(-1.78mm)
59th Driest
Driest since:
1919
69th Wettest
Wettest since:
1993
Nov 1900–Aug 1901
10-Month
13.30"
(337.82mm)
13.50"
(342.90mm)
-0.20"
(-5.08mm)
58th Driest
Driest since:
1919
70th Wettest
Wettest since:
1945
Oct 1900–Aug 1901
11-Month
14.35"
(364.49mm)
14.70"
(373.38mm)
-0.35"
(-8.89mm)
54th Driest
Driest since:
1919
74th Wettest
Wettest since:
1995
Sep 1900–Aug 1901
12-Month
15.51"
(393.95mm)
15.93"
(404.62mm)
-0.42"
(-10.67mm)
54th Driest
Driest since:
1934
74th Wettest
Wettest since:
1995
Mar 1900–Aug 1901
18-Month
23.36"
(593.34mm)
25.36"
(644.14mm)
-2.00"
(-50.80mm)
36th Driest
Driest since:
2013
92nd Wettest
Wettest since:
1945
Sep 1899–Aug 1901
24-Month
28.58"
(725.93mm)
31.86"
(809.24mm)
-3.28"
(-83.31mm)
24th Driest
Driest since:
2002
103rd Wettest
Wettest since:
2015
Sep 1898–Aug 1901
36-Month
46.44"
(1,179.58mm)
47.78"
(1,213.61mm)
-1.34"
(-34.03mm)
45th Driest
Driest since:
2002
81st Wettest
Wettest since:
1997
Sep 1897–Aug 1901
48-Month
62.01"
(1,575.05mm)
63.68"
(1,617.47mm)
-1.67"
(-42.42mm)
51st Driest
Driest since:
2003
74th Wettest
Wettest since:
1998
Sep 1896–Aug 1901
60-Month
76.52"
(1,943.61mm)
79.53"
(2,020.06mm)
-3.01"
(-76.45mm)
42nd Driest
Driest since:
2004
82nd Wettest
Wettest since:
1999

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