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, September 1985

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
September 1985
1-Month
1.91"
(48.51mm)
1.24"
(31.50mm)
0.67"
(17.01mm)
110th Driest
Driest since:
1979
19th Wettest
Wettest since:
1923
Aug–Sep 1985
2-Month
2.34"
(59.44mm)
2.31"
(58.67mm)
0.03"
(0.77mm)
75th Driest
Driest since:
2012
54th Wettest
Wettest since:
1923
Jul–Sep 1985
3-Month
3.83"
(97.28mm)
3.59"
(91.19mm)
0.24"
(6.09mm)
84th Driest
Driest since:
1964
45th Wettest
Wettest since:
1923
Jun–Sep 1985
4-Month
5.35"
(135.89mm)
5.43"
(137.92mm)
-0.08"
(-2.03mm)
70th Driest
Driest since:
2012
59th Wettest
Wettest since:
1923
May–Sep 1985
5-Month
6.83"
(173.48mm)
7.64"
(194.06mm)
-0.81"
(-20.58mm)
43rd Driest
Driest since:
1919
86th Wettest
Wettest since:
1915
Apr–Sep 1985
6-Month
7.86"
(199.64mm)
9.42"
(239.27mm)
-1.56"
(-39.63mm)
26th Driest
Driest since:
2012
103rd Wettest
Wettest since:
1941
Mar–Sep 1985
7-Month
9.00"
(228.60mm)
10.67"
(271.02mm)
-1.67"
(-42.42mm)
28th Driest
Driest since:
2012
101st Wettest
Wettest since:
1941
Feb–Sep 1985
8-Month
9.70"
(246.38mm)
11.63"
(295.40mm)
-1.93"
(-49.02mm)
26th Driest
Driest since:
2012
103rd Wettest
Wettest since:
1945
Jan–Sep 1985
9-Month
10.35"
(262.89mm)
12.70"
(322.58mm)
-2.35"
(-59.69mm)
24th Driest
Driest since:
1919
105th Wettest
Wettest since:
1915, 1945
Dec 1984–Sep 1985
10-Month
11.19"
(284.23mm)
13.71"
(348.23mm)
-2.52"
(-64.00mm)
22nd Driest
Driest since:
1919
106th Wettest
Wettest since:
1923
Nov 1984–Sep 1985
11-Month
12.19"
(309.63mm)
14.74"
(374.40mm)
-2.55"
(-64.77mm)
22nd Driest
Driest since:
1919
106th Wettest
Wettest since:
1923
Oct 1984–Sep 1985
12-Month
13.09"
(332.49mm)
15.94"
(404.88mm)
-2.85"
(-72.39mm)
19th Driest
Driest since:
1919
109th Wettest
Wettest since:
1995
Apr 1984–Sep 1985
18-Month
23.48"
(596.39mm)
25.35"
(643.89mm)
-1.87"
(-47.50mm)
42nd Driest
Driest since:
2021
86th Wettest
Wettest since:
1945
Oct 1983–Sep 1985
24-Month
31.36"
(796.54mm)
31.88"
(809.75mm)
-0.52"
(-13.21mm)
56th Driest
Driest since:
2002
71st Wettest
Wettest since:
1998
Ties: 1969
Oct 1982–Sep 1985
36-Month
48.50"
(1,231.90mm)
47.81"
(1,214.37mm)
0.69"
(17.53mm)
77th Driest
Driest since:
2002
49th Wettest
Wettest since:
1997
Oct 1981–Sep 1985
48-Month
68.14"
(1,730.76mm)
63.72"
(1,618.49mm)
4.42"
(112.27mm)
100th Driest
Driest since:
2003
25th Wettest
Wettest since:
1998
Oct 1980–Sep 1985
60-Month
82.97"
(2,107.44mm)
79.56"
(2,020.82mm)
3.41"
(86.62mm)
89th Driest
Driest since:
2004
35th Wettest
Wettest since:
1999

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