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 1901

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1901
1-Month
0.85"
(21.59mm)
1.20"
(30.48mm)
-0.35"
(-8.89mm)
37th Driest
Driest since:
1933
92nd Wettest
Wettest since:
1994
Sep–Oct 1901
2-Month
1.55"
(39.37mm)
2.44"
(61.98mm)
-0.89"
(-22.61mm)
17th Driest
Driest since:
1952
112th Wettest
Wettest since:
2013
Aug–Oct 1901
3-Month
2.75"
(69.85mm)
3.51"
(89.15mm)
-0.76"
(-19.30mm)
35th Driest
Driest since:
1958
94th Wettest
Wettest since:
1923
Jul–Oct 1901
4-Month
3.62"
(91.95mm)
4.79"
(121.67mm)
-1.17"
(-29.72mm)
24th Driest
Driest since:
1964
105th Wettest
Wettest since:
1923
Ties: 1943
Jun–Oct 1901
5-Month
5.59"
(141.99mm)
6.62"
(168.15mm)
-1.03"
(-26.16mm)
40th Driest
Driest since:
1988
89th Wettest
Wettest since:
1923
Ties: 2003
May–Oct 1901
6-Month
8.20"
(208.28mm)
8.84"
(224.54mm)
-0.64"
(-16.26mm)
54th Driest
Driest since:
2012
75th Wettest
Wettest since:
1923
Apr–Oct 1901
7-Month
10.02"
(254.51mm)
10.61"
(269.49mm)
-0.59"
(-14.98mm)
55th Driest
Driest since:
2012
74th Wettest
Wettest since:
1941
Mar–Oct 1901
8-Month
11.19"
(284.23mm)
11.86"
(301.24mm)
-0.67"
(-17.01mm)
51st Driest
Driest since:
2012
78th Wettest
Wettest since:
1941
Feb–Oct 1901
9-Month
12.54"
(318.52mm)
12.83"
(325.88mm)
-0.29"
(-7.36mm)
60th Driest
Driest since:
2012
69th Wettest
Wettest since:
1941
Jan–Oct 1901
10-Month
13.28"
(337.31mm)
13.89"
(352.81mm)
-0.61"
(-15.50mm)
52nd Driest
Driest since:
2012
77th Wettest
Wettest since:
1923
Dec 1900–Oct 1901
11-Month
13.95"
(354.33mm)
14.90"
(378.46mm)
-0.95"
(-24.13mm)
46th Driest
Driest since:
2012
82nd Wettest
Wettest since:
1923
Nov 1900–Oct 1901
12-Month
14.85"
(377.19mm)
15.94"
(404.88mm)
-1.09"
(-27.69mm)
45th Driest
Driest since:
1960
83rd Wettest
Wettest since:
1923
May 1900–Oct 1901
18-Month
20.03"
(508.76mm)
24.75"
(628.65mm)
-4.72"
(-119.89mm)
10th Driest
Driest since:
1934
118th Wettest
Wettest since:
1927
Nov 1899–Oct 1901
24-Month
28.02"
(711.71mm)
31.86"
(809.24mm)
-3.84"
(-97.53mm)
22nd Driest
Driest since:
2002
105th Wettest
Wettest since:
1998
Nov 1898–Oct 1901
36-Month
46.43"
(1,179.32mm)
47.81"
(1,214.37mm)
-1.38"
(-35.05mm)
47th Driest
Driest since:
2002
79th Wettest
Wettest since:
1947
Nov 1897–Oct 1901
48-Month
61.96"
(1,573.78mm)
63.72"
(1,618.49mm)
-1.76"
(-44.71mm)
49th Driest
Driest since:
2003
76th Wettest
Wettest since:
1998
Nov 1896–Oct 1901
60-Month
75.86"
(1,926.84mm)
79.57"
(2,021.08mm)
-3.71"
(-94.24mm)
39th Driest
Driest since:
1935
85th Wettest
Wettest since:
1999

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