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 1998

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 1998
1-Month
1.37"
(34.80mm)
1.07"
(27.18mm)
0.30"
(7.62mm)
104th Driest
Driest since:
1944
25th Wettest
Wettest since:
1930
Jul–Aug 1998
2-Month
3.11"
(78.99mm)
2.35"
(59.69mm)
0.76"
(19.30mm)
111th Driest
Driest since:
2020
18th Wettest
Wettest since:
1930
Jun–Aug 1998
3-Month
6.44"
(163.58mm)
4.19"
(106.43mm)
2.25"
(57.15mm)
125th Driest
Driest since:
1924
4th Wettest
Wettest since:
1945
May–Aug 1998
4-Month
7.88"
(200.15mm)
6.40"
(162.56mm)
1.48"
(37.59mm)
105th Driest
Driest since:
1919
24th Wettest
Wettest since:
1908
Ties: 1982
Apr–Aug 1998
5-Month
9.24"
(234.70mm)
8.18"
(207.77mm)
1.06"
(26.93mm)
95th Driest
Driest since:
1924
34th Wettest
Wettest since:
1941
Mar–Aug 1998
6-Month
11.06"
(280.92mm)
9.43"
(239.52mm)
1.63"
(41.40mm)
109th Driest
Driest since:
1919
20th Wettest
Wettest since:
1941
Feb–Aug 1998
7-Month
11.96"
(303.78mm)
10.39"
(263.91mm)
1.57"
(39.87mm)
104th Driest
Driest since:
1919
25th Wettest
Wettest since:
1941
Jan–Aug 1998
8-Month
13.37"
(339.60mm)
11.46"
(291.08mm)
1.91"
(48.52mm)
110th Driest
Driest since:
1919
19th Wettest
Wettest since:
1899
Dec 1997–Aug 1998
9-Month
14.26"
(362.20mm)
12.47"
(316.74mm)
1.79"
(45.46mm)
105th Driest
Driest since:
1919
23rd Wettest
Wettest since:
1993
Nov 1997–Aug 1998
10-Month
14.81"
(376.17mm)
13.50"
(342.90mm)
1.31"
(33.27mm)
91st Driest
Driest since:
1919
37th Wettest
Wettest since:
1945
Oct 1997–Aug 1998
11-Month
16.19"
(411.23mm)
14.70"
(373.38mm)
1.49"
(37.85mm)
93rd Driest
Driest since:
1919
35th Wettest
Wettest since:
1995
Sep 1997–Aug 1998
12-Month
17.91"
(454.91mm)
15.93"
(404.62mm)
1.98"
(50.29mm)
103rd Driest
Driest since:
1934
25th Wettest
Wettest since:
1995
Ties: 1906
Mar 1997–Aug 1998
18-Month
28.90"
(734.06mm)
25.36"
(644.14mm)
3.54"
(89.92mm)
113th Driest
Driest since:
2013
15th Wettest
Wettest since:
1945
Sep 1996–Aug 1998
24-Month
37.66"
(956.56mm)
31.86"
(809.24mm)
5.80"
(147.32mm)
125th Driest
Driest since:
2002
2nd Wettest
Wettest to Date
2015
Sep 1995–Aug 1998
36-Month
54.27"
(1,378.46mm)
47.78"
(1,213.61mm)
6.49"
(164.85mm)
118th Driest
Driest since:
2002
8th Wettest
Wettest since:
1997
Sep 1994–Aug 1998
48-Month
74.67"
(1,896.62mm)
63.68"
(1,617.47mm)
10.99"
(279.15mm)
124th Driest
Driest since:
2003
1st Wettest
Wettest to Date
1998
Sep 1993–Aug 1998
60-Month
87.07"
(2,211.58mm)
79.53"
(2,020.06mm)
7.54"
(191.52mm)
112th Driest
Driest since:
2004
12th Wettest
Wettest since:
1999

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