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 2012

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 2012
1-Month
1.11"
(28.19mm)
1.20"
(30.48mm)
-0.09"
(-2.29mm)
57th Driest
Driest since:
1933
72nd Wettest
Wettest since:
1994
Ties: 2015
Sep–Oct 2012
2-Month
1.57"
(39.88mm)
2.44"
(61.98mm)
-0.87"
(-22.10mm)
19th Driest
Driest since:
1952
110th Wettest
Wettest since:
2013
Ties: 1944, 1968
Aug–Oct 2012
3-Month
1.83"
(46.48mm)
3.51"
(89.15mm)
-1.68"
(-42.67mm)
8th Driest
Driest since:
1958
121st Wettest
Wettest since:
1923
Jul–Oct 2012
4-Month
2.95"
(74.93mm)
4.79"
(121.67mm)
-1.84"
(-46.74mm)
9th Driest
Driest since:
1964
120th Wettest
Wettest since:
1923
Jun–Oct 2012
5-Month
3.40"
(86.36mm)
6.62"
(168.15mm)
-3.22"
(-81.79mm)
2nd Driest
Driest since:
1988
127th Wettest
Wettest since:
1923
May–Oct 2012
6-Month
4.93"
(125.22mm)
8.84"
(224.54mm)
-3.91"
(-99.32mm)
1st Driest
Driest since:
2012
128th Wettest
Wettest since:
1923
Apr–Oct 2012
7-Month
6.12"
(155.45mm)
10.61"
(269.49mm)
-4.49"
(-114.04mm)
1st Driest
Driest since:
2012
128th Wettest
Wettest since:
1941
Mar–Oct 2012
8-Month
6.69"
(169.93mm)
11.86"
(301.24mm)
-5.17"
(-131.31mm)
1st Driest
Driest since:
2012
128th Wettest
Wettest since:
1941
Feb–Oct 2012
9-Month
7.98"
(202.69mm)
12.83"
(325.88mm)
-4.85"
(-123.19mm)
1st Driest
Driest since:
2012
128th Wettest
Wettest since:
1941
Jan–Oct 2012
10-Month
8.90"
(226.06mm)
13.89"
(352.81mm)
-4.99"
(-126.75mm)
1st Driest
Driest since:
2012
128th Wettest
Wettest since:
1923
Dec 2011–Oct 2012
11-Month
9.74"
(247.40mm)
14.90"
(378.46mm)
-5.16"
(-131.06mm)
1st Driest
Driest since:
2012
127th Wettest
Wettest since:
1923
Nov 2011–Oct 2012
12-Month
11.10"
(281.94mm)
15.94"
(404.88mm)
-4.84"
(-122.94mm)
3rd Driest
Driest since:
1960
125th Wettest
Wettest since:
1923
May 2011–Oct 2012
18-Month
21.44"
(544.58mm)
24.75"
(628.65mm)
-3.31"
(-84.07mm)
21st Driest
Driest since:
1934
107th Wettest
Wettest since:
1927
Nov 2010–Oct 2012
24-Month
30.49"
(774.45mm)
31.86"
(809.24mm)
-1.37"
(-34.79mm)
43rd Driest
Driest since:
2002
84th Wettest
Wettest since:
1998
Nov 2009–Oct 2012
36-Month
45.86"
(1,164.84mm)
47.81"
(1,214.37mm)
-1.95"
(-49.53mm)
40th Driest
Driest since:
2002
86th Wettest
Wettest since:
1947
Nov 2008–Oct 2012
48-Month
63.82"
(1,621.03mm)
63.72"
(1,618.49mm)
0.10"
(2.54mm)
64th Driest
Driest since:
2003
61st Wettest
Wettest since:
1998
Nov 2007–Oct 2012
60-Month
79.58"
(2,021.33mm)
79.57"
(2,021.08mm)
0.01"
(0.25mm)
67th Driest
Driest since:
1935
57th Wettest
Wettest since:
1999
Ties: 2014

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