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, December 1897

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1897
1-Month
1.39"
(35.31mm)
1.01"
(25.65mm)
0.38"
(9.66mm)
107th Driest
Driest since:
1986
21st Wettest
Wettest to Date
1964, 1996
Nov–Dec 1897
2-Month
2.82"
(71.63mm)
2.05"
(52.07mm)
0.77"
(19.56mm)
113th Driest
Driest since:
1914
15th Wettest
Wettest to Date
1983
Oct–Dec 1897
3-Month
3.91"
(99.31mm)
3.24"
(82.30mm)
0.67"
(17.01mm)
103rd Driest
Driest since:
1976
25th Wettest
Wettest to Date
1942
Ties: 1970
Sep–Dec 1897
4-Month
4.42"
(112.27mm)
4.48"
(113.79mm)
-0.06"
(-1.52mm)
66th Driest
Driest since:
1952
62nd Wettest
Wettest since:
2013
Ties: 1928
Aug–Dec 1897
5-Month
5.36"
(136.14mm)
5.55"
(140.97mm)
-0.19"
(-4.83mm)
59th Driest
Driest since:
1904
69th Wettest
Wettest since:
1923
Ties: 1990
Jul–Dec 1897
6-Month
6.49"
(164.85mm)
6.83"
(173.48mm)
-0.34"
(-8.63mm)
56th Driest
Driest since:
1939
72nd Wettest
Wettest since:
1923
Jun–Dec 1897
7-Month
7.79"
(197.87mm)
8.67"
(220.22mm)
-0.88"
(-22.35mm)
40th Driest
Driest since:
1935
88th Wettest
Wettest since:
1923
May–Dec 1897
8-Month
8.78"
(223.01mm)
10.88"
(276.35mm)
-2.10"
(-53.34mm)
23rd Driest
Driest since:
1900
105th Wettest
Wettest since:
1923
Apr–Dec 1897
9-Month
9.73"
(247.14mm)
12.66"
(321.56mm)
-2.93"
(-74.42mm)
13th Driest
Driest since:
1954
115th Wettest
Wettest since:
1941
Mar–Dec 1897
10-Month
11.77"
(298.96mm)
13.91"
(353.31mm)
-2.14"
(-54.35mm)
27th Driest
Driest since:
2012
101st Wettest
Wettest since:
1941
Feb–Dec 1897
11-Month
13.22"
(335.79mm)
14.88"
(377.95mm)
-1.66"
(-42.16mm)
32nd Driest
Driest since:
2012
96th Wettest
Wettest since:
1941
Jan–Dec 1897
12-Month
14.18"
(360.17mm)
15.94"
(404.88mm)
-1.76"
(-44.71mm)
31st Driest
Driest since:
2012
97th Wettest
Wettest since:
1927
Jul 1896–Dec 1897
18-Month
21.59"
(548.39mm)
22.77"
(578.36mm)
-1.18"
(-29.97mm)
49th Driest
Driest since:
1934
78th Wettest
Wettest since:
1927
Ties: 1985
Jan 1896–Dec 1897
24-Month
31.54"
(801.12mm)
31.86"
(809.24mm)
-0.32"
(-8.12mm)
58th Driest
Driest since:
2002
69th Wettest
Wettest since:
1983
Jan 1895–Dec 1897
36-Month
48.02"
(1,219.71mm)
47.82"
(1,214.63mm)
0.20"
(5.08mm)
72nd Driest
Driest since:
2002
54th Wettest
Wettest to Date
1947

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