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 1940

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 1940
1-Month
0.48"
(12.19mm)
1.07"
(27.18mm)
-0.59"
(-14.99mm)
11th Driest
Driest since:
1944
118th Wettest
Wettest since:
1930
Jul–Aug 1940
2-Month
1.54"
(39.12mm)
2.35"
(59.69mm)
-0.81"
(-20.57mm)
21st Driest
Driest since:
2020
108th Wettest
Wettest since:
1930
Ties: 1949, 2016
Jun–Aug 1940
3-Month
2.90"
(73.66mm)
4.19"
(106.43mm)
-1.29"
(-32.77mm)
22nd Driest
Driest since:
1924
107th Wettest
Wettest since:
1945
Ties: 2013
May–Aug 1940
4-Month
3.74"
(95.00mm)
6.40"
(162.56mm)
-2.66"
(-67.56mm)
5th Driest
Driest since:
1919
124th Wettest
Wettest since:
1908
Apr–Aug 1940
5-Month
6.79"
(172.47mm)
8.18"
(207.77mm)
-1.39"
(-35.30mm)
29th Driest
Driest since:
1924
100th Wettest
Wettest since:
1941
Mar–Aug 1940
6-Month
7.88"
(200.15mm)
9.43"
(239.52mm)
-1.55"
(-39.37mm)
32nd Driest
Driest since:
1919
97th Wettest
Wettest since:
1941
Feb–Aug 1940
7-Month
9.11"
(231.39mm)
10.39"
(263.91mm)
-1.28"
(-32.52mm)
34th Driest
Driest since:
1919
95th Wettest
Wettest since:
1941
Jan–Aug 1940
8-Month
10.72"
(272.29mm)
11.46"
(291.08mm)
-0.74"
(-18.79mm)
39th Driest
Driest since:
1919
90th Wettest
Wettest since:
1899
Dec 1939–Aug 1940
9-Month
11.23"
(285.24mm)
12.47"
(316.74mm)
-1.24"
(-31.50mm)
33rd Driest
Driest since:
1919
95th Wettest
Wettest since:
1993
Nov 1939–Aug 1940
10-Month
11.25"
(285.75mm)
13.50"
(342.90mm)
-2.25"
(-57.15mm)
23rd Driest
Driest since:
1919
105th Wettest
Wettest since:
1945
Oct 1939–Aug 1940
11-Month
12.20"
(309.88mm)
14.70"
(373.38mm)
-2.50"
(-63.50mm)
22nd Driest
Driest since:
1919
106th Wettest
Wettest since:
1995
Sep 1939–Aug 1940
12-Month
13.25"
(336.55mm)
15.93"
(404.62mm)
-2.68"
(-68.07mm)
23rd Driest
Driest since:
1934
105th Wettest
Wettest since:
1995
Mar 1939–Aug 1940
18-Month
19.89"
(505.21mm)
25.36"
(644.14mm)
-5.47"
(-138.93mm)
8th Driest
Driest since:
2013
120th Wettest
Wettest since:
1945
Sep 1938–Aug 1940
24-Month
27.01"
(686.05mm)
31.86"
(809.24mm)
-4.85"
(-123.19mm)
16th Driest
Driest since:
2002
111th Wettest
Wettest since:
2015
Sep 1937–Aug 1940
36-Month
43.86"
(1,114.04mm)
47.78"
(1,213.61mm)
-3.92"
(-99.57mm)
26th Driest
Driest since:
2002
100th Wettest
Wettest since:
1997
Sep 1936–Aug 1940
48-Month
60.97"
(1,548.64mm)
63.68"
(1,617.47mm)
-2.71"
(-68.83mm)
39th Driest
Driest since:
2003
86th Wettest
Wettest since:
1998
Sep 1935–Aug 1940
60-Month
75.61"
(1,920.49mm)
79.53"
(2,020.06mm)
-3.92"
(-99.57mm)
34th Driest
Driest since:
2004
90th Wettest
Wettest since:
1999

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