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 1930

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 1930
1-Month
2.17"
(55.12mm)
1.20"
(30.48mm)
0.97"
(24.64mm)
120th Driest
Driest since:
1933
9th Wettest
Wettest since:
1994
Sep–Oct 1930
2-Month
3.19"
(81.03mm)
2.44"
(61.98mm)
0.75"
(19.05mm)
105th Driest
Driest since:
1952
24th Wettest
Wettest since:
2013
Ties: 1942
Aug–Oct 1930
3-Month
6.38"
(162.05mm)
3.51"
(89.15mm)
2.87"
(72.90mm)
127th Driest
Driest since:
1958
2nd Wettest
Wettest since:
1923
Jul–Oct 1930
4-Month
7.65"
(194.31mm)
4.79"
(121.67mm)
2.86"
(72.64mm)
126th Driest
Driest since:
1964
3rd Wettest
Wettest since:
1923
Jun–Oct 1930
5-Month
8.63"
(219.20mm)
6.62"
(168.15mm)
2.01"
(51.05mm)
115th Driest
Driest since:
1988
14th Wettest
Wettest since:
1923
May–Oct 1930
6-Month
11.29"
(286.77mm)
8.84"
(224.54mm)
2.45"
(62.23mm)
117th Driest
Driest since:
2012
12th Wettest
Wettest since:
1923
Apr–Oct 1930
7-Month
12.52"
(318.01mm)
10.61"
(269.49mm)
1.91"
(48.52mm)
107th Driest
Driest since:
2012
22nd Wettest
Wettest since:
1941
Mar–Oct 1930
8-Month
13.64"
(346.46mm)
11.86"
(301.24mm)
1.78"
(45.22mm)
103rd Driest
Driest since:
2012
26th Wettest
Wettest since:
1941
Feb–Oct 1930
9-Month
14.51"
(368.55mm)
12.83"
(325.88mm)
1.68"
(42.67mm)
105th Driest
Driest since:
2012
24th Wettest
Wettest since:
1941
Jan–Oct 1930
10-Month
15.70"
(398.78mm)
13.89"
(352.81mm)
1.81"
(45.97mm)
103rd Driest
Driest since:
2012
26th Wettest
Wettest since:
1923
Dec 1929–Oct 1930
11-Month
16.38"
(416.05mm)
14.90"
(378.46mm)
1.48"
(37.59mm)
94th Driest
Driest since:
2012
34th Wettest
Wettest since:
1923
Nov 1929–Oct 1930
12-Month
17.49"
(444.25mm)
15.94"
(404.88mm)
1.55"
(39.37mm)
97th Driest
Driest since:
1960
31st Wettest
Wettest since:
1923
May 1929–Oct 1930
18-Month
25.83"
(656.08mm)
24.75"
(628.65mm)
1.08"
(27.43mm)
81st Driest
Driest since:
1934
47th Wettest
Wettest since:
1927
Nov 1928–Oct 1930
24-Month
34.94"
(887.48mm)
31.86"
(809.24mm)
3.08"
(78.24mm)
109th Driest
Driest since:
2002
18th Wettest
Wettest since:
1998
Nov 1927–Oct 1930
36-Month
51.91"
(1,318.51mm)
47.81"
(1,214.37mm)
4.10"
(104.14mm)
106th Driest
Driest since:
2002
20th Wettest
Wettest since:
1947
Nov 1926–Oct 1930
48-Month
71.86"
(1,825.24mm)
63.72"
(1,618.49mm)
8.14"
(206.75mm)
120th Driest
Driest since:
2003
5th Wettest
Wettest to Date
1998
Nov 1925–Oct 1930
60-Month
88.06"
(2,236.72mm)
79.57"
(2,021.08mm)
8.49"
(215.64mm)
114th Driest
Driest since:
1935
10th Wettest
Wettest since:
1999

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