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, July 2018

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
July 2018
1-Month
1.32"
(33.53mm)
1.28"
(32.51mm)
0.04"
(1.02mm)
86th Driest
Driest since:
2003
43rd Wettest
Wettest since:
1937
Ties: 2013
Jun–Jul 2018
2-Month
3.42"
(86.87mm)
3.12"
(79.25mm)
0.30"
(7.62mm)
84th Driest
Driest since:
1933
45th Wettest
Wettest since:
1967
Ties: 2015
May–Jul 2018
3-Month
6.51"
(165.35mm)
5.33"
(135.38mm)
1.18"
(29.97mm)
104th Driest
Driest since:
1919
25th Wettest
Wettest since:
1908
Ties: 1998
Apr–Jul 2018
4-Month
7.95"
(201.93mm)
7.11"
(180.59mm)
0.84"
(21.34mm)
97th Driest
Driest since:
1919
32nd Wettest
Wettest since:
1995
Mar–Jul 2018
5-Month
9.35"
(237.49mm)
8.36"
(212.34mm)
0.99"
(25.15mm)
93rd Driest
Driest since:
1919
36th Wettest
Wettest since:
1995
Feb–Jul 2018
6-Month
10.57"
(268.48mm)
9.32"
(236.73mm)
1.25"
(31.75mm)
101st Driest
Driest since:
1919
28th Wettest
Wettest since:
1995
Jan–Jul 2018
7-Month
11.47"
(291.34mm)
10.39"
(263.91mm)
1.08"
(27.43mm)
91st Driest
Driest since:
1919
38th Wettest
Wettest since:
1995
Dec 2017–Jul 2018
8-Month
12.49"
(317.25mm)
11.40"
(289.56mm)
1.09"
(27.69mm)
92nd Driest
Driest since:
1919
36th Wettest
Wettest since:
2011
Nov 2017–Jul 2018
9-Month
13.97"
(354.84mm)
12.43"
(315.72mm)
1.54"
(39.12mm)
98th Driest
Driest since:
1919
30th Wettest
Wettest since:
2011
Oct 2017–Jul 2018
10-Month
14.76"
(374.90mm)
13.63"
(346.20mm)
1.13"
(28.70mm)
86th Driest
Driest since:
1919
42nd Wettest
Wettest since:
1995
Sep 2017–Jul 2018
11-Month
16.97"
(431.04mm)
14.86"
(377.44mm)
2.11"
(53.60mm)
108th Driest
Driest since:
1934
20th Wettest
Wettest since:
1995
Ties: 1971
Aug 2017–Jul 2018
12-Month
17.91"
(454.91mm)
15.93"
(404.62mm)
1.98"
(50.29mm)
105th Driest
Driest since:
1919
23rd Wettest
Wettest since:
1995
Feb 2017–Jul 2018
18-Month
28.47"
(723.14mm)
25.26"
(641.60mm)
3.21"
(81.54mm)
114th Driest
Driest since:
2013
14th Wettest
Wettest since:
1928
Aug 2016–Jul 2018
24-Month
37.41"
(950.21mm)
31.86"
(809.24mm)
5.55"
(140.97mm)
123rd Driest
Driest since:
2002
4th Wettest
Wettest since:
1928
Aug 2015–Jul 2018
36-Month
52.27"
(1,327.66mm)
47.77"
(1,213.36mm)
4.50"
(114.30mm)
107th Driest
Driest since:
2002
19th Wettest
Wettest since:
1999
Aug 2014–Jul 2018
48-Month
71.73"
(1,821.94mm)
63.66"
(1,616.96mm)
8.07"
(204.98mm)
118th Driest
Driest since:
2003
7th Wettest
Wettest since:
1998
Aug 2013–Jul 2018
60-Month
90.24"
(2,292.10mm)
79.51"
(2,019.55mm)
10.73"
(272.55mm)
121st Driest
Driest since:
2004
3rd Wettest
Wettest since:
1999

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