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, October 2011

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
October 2011
1-Month
1.80"
(45.72mm)
1.20"
(30.48mm)
0.60"
(15.24mm)
109th Driest
Driest since:
1933
20th Wettest
Wettest since:
1994
Ties: 1951
Sep–Oct 2011
2-Month
2.34"
(59.44mm)
2.44"
(61.98mm)
-0.10"
(-2.54mm)
63rd Driest
Driest since:
1952
66th Wettest
Wettest since:
2013
Ties: 1957
Aug–Oct 2011
3-Month
3.15"
(80.01mm)
3.51"
(89.15mm)
-0.36"
(-9.14mm)
55th Driest
Driest since:
1958
74th Wettest
Wettest since:
1923
Jul–Oct 2011
4-Month
4.16"
(105.66mm)
4.79"
(121.67mm)
-0.63"
(-16.01mm)
46th Driest
Driest since:
1964
83rd Wettest
Wettest since:
1923
Ties: 1899
Jun–Oct 2011
5-Month
5.75"
(146.05mm)
6.62"
(168.15mm)
-0.87"
(-22.10mm)
45th Driest
Driest since:
1988
84th Wettest
Wettest since:
1923
May–Oct 2011
6-Month
10.34"
(262.64mm)
8.84"
(224.54mm)
1.50"
(38.10mm)
105th Driest
Driest since:
2012
24th Wettest
Wettest since:
1923
Ties: 1926
Apr–Oct 2011
7-Month
12.83"
(325.88mm)
10.61"
(269.49mm)
2.22"
(56.39mm)
112th Driest
Driest since:
2012
17th Wettest
Wettest since:
1941
Mar–Oct 2011
8-Month
14.31"
(363.47mm)
11.86"
(301.24mm)
2.45"
(62.23mm)
113th Driest
Driest since:
2012
16th Wettest
Wettest since:
1941
Feb–Oct 2011
9-Month
15.34"
(389.64mm)
12.83"
(325.88mm)
2.51"
(63.76mm)
113th Driest
Driest since:
2012
16th Wettest
Wettest since:
1941
Jan–Oct 2011
10-Month
16.35"
(415.29mm)
13.89"
(352.81mm)
2.46"
(62.48mm)
110th Driest
Driest since:
2012
19th Wettest
Wettest since:
1923
Dec 2010–Oct 2011
11-Month
18.04"
(458.22mm)
14.90"
(378.46mm)
3.14"
(79.76mm)
118th Driest
Driest since:
2012
10th Wettest
Wettest since:
1923
Nov 2010–Oct 2011
12-Month
19.39"
(492.51mm)
15.94"
(404.88mm)
3.45"
(87.63mm)
119th Driest
Driest since:
1960
9th Wettest
Wettest since:
1923
May 2010–Oct 2011
18-Month
29.00"
(736.60mm)
24.75"
(628.65mm)
4.25"
(107.95mm)
120th Driest
Driest since:
1934
8th Wettest
Wettest since:
1927
Nov 2009–Oct 2011
24-Month
34.76"
(882.90mm)
31.86"
(809.24mm)
2.90"
(73.66mm)
105th Driest
Driest since:
2002
22nd Wettest
Wettest since:
1998
Nov 2008–Oct 2011
36-Month
52.72"
(1,339.09mm)
47.81"
(1,214.37mm)
4.91"
(124.72mm)
109th Driest
Driest since:
2002
17th Wettest
Wettest since:
1947
Nov 2007–Oct 2011
48-Month
68.48"
(1,739.39mm)
63.72"
(1,618.49mm)
4.76"
(120.90mm)
103rd Driest
Driest since:
2003
22nd Wettest
Wettest since:
1998
Nov 2006–Oct 2011
60-Month
83.51"
(2,121.15mm)
79.57"
(2,021.08mm)
3.94"
(100.07mm)
94th Driest
Driest since:
1935
30th Wettest
Wettest since:
1999

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