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 2013

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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 2013
1-Month 		2.53"
(64.26mm)		 1.20"
(30.48mm)		 1.33"
(33.78mm)		 124th Driest
Driest since:
 1933
5th Wettest
Wettest since:
 1994
Sep–Oct 2013
2-Month 		5.41"
(137.41mm)		 2.44"
(61.98mm)		 2.97"
(75.43mm)		 128th Driest
Driest since:
 1952
1st Wettest
Wettest to Date
 2013
Aug–Oct 2013
3-Month 		6.31"
(160.27mm)		 3.51"
(89.15mm)		 2.80"
(71.12mm)		 126th Driest
Driest since:
 1958
3rd Wettest
Wettest since:
 1923
Jul–Oct 2013
4-Month 		7.63"
(193.80mm)		 4.79"
(121.67mm)		 2.84"
(72.13mm)		 124th Driest
Driest since:
 1964
5th Wettest
Wettest since:
 1923
Jun–Oct 2013
5-Month 		8.31"
(211.07mm)		 6.62"
(168.15mm)		 1.69"
(42.92mm)		 112th Driest
Driest since:
 1988
17th Wettest
Wettest since:
 1923
May–Oct 2013
6-Month 		10.50"
(266.70mm)		 8.84"
(224.54mm)		 1.66"
(42.16mm)		 107th Driest
Driest since:
 2012
22nd Wettest
Wettest since:
 1923
Apr–Oct 2013
7-Month 		12.37"
(314.20mm)		 10.61"
(269.49mm)		 1.76"
(44.71mm)		 105th Driest
Driest since:
 2012
24th Wettest
Wettest since:
 1941
Ties: 2015
Mar–Oct 2013
8-Month 		13.08"
(332.23mm)		 11.86"
(301.24mm)		 1.22"
(30.99mm)		 98th Driest
Driest since:
 2012
31st Wettest
Wettest since:
 1941
Feb–Oct 2013
9-Month 		13.87"
(352.30mm)		 12.83"
(325.88mm)		 1.04"
(26.42mm)		 89th Driest
Driest since:
 2012
40th Wettest
Wettest since:
 1941
Jan–Oct 2013
10-Month 		14.61"
(371.09mm)		 13.89"
(352.81mm)		 0.72"
(18.28mm)		 82nd Driest
Driest since:
 2012
47th Wettest
Wettest since:
 1923
Dec 2012–Oct 2013
11-Month 		15.80"
(401.32mm)		 14.90"
(378.46mm)		 0.90"
(22.86mm)		 83rd Driest
Driest since:
 2012
45th Wettest
Wettest since:
 1923
Nov 2012–Oct 2013
12-Month 		16.67"
(423.42mm)		 15.94"
(404.88mm)		 0.73"
(18.54mm)		 78th Driest
Driest since:
 1960
50th Wettest
Wettest since:
 1923
Ties: 1907
May 2012–Oct 2013
18-Month 		21.60"
(548.64mm)		 24.75"
(628.65mm)		 -3.15"
(-80.01mm)		 23rd Driest
Driest since:
 1934
105th Wettest
Wettest since:
 1927
Ties: 1917
Nov 2011–Oct 2013
24-Month 		27.77"
(705.36mm)		 31.86"
(809.24mm)		 -4.09"
(-103.88mm)		 20th Driest
Driest since:
 2002
107th Wettest
Wettest since:
 1998
Nov 2010–Oct 2013
36-Month 		47.16"
(1,197.86mm)		 47.81"
(1,214.37mm)		 -0.65"
(-16.51mm)		 60th Driest
Driest since:
 2002
66th Wettest
Wettest since:
 1947
Nov 2009–Oct 2013
48-Month 		62.53"
(1,588.26mm)		 63.72"
(1,618.49mm)		 -1.19"
(-30.23mm)		 56th Driest
Driest since:
 2003
69th Wettest
Wettest since:
 1998
Nov 2008–Oct 2013
60-Month 		80.49"
(2,044.45mm)		 79.57"
(2,021.08mm)		 0.92"
(23.37mm)		 72nd Driest
Driest since:
 1935
52nd Wettest
Wettest since:
 1999

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