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 1900

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1900
1-Month
0.67"
(17.02mm)
1.01"
(25.65mm)
-0.34"
(-8.63mm)
21st Driest
Driest since:
1986
108th Wettest
Wettest since:
1964, 1996
Ties: 1960
Nov–Dec 1900
2-Month
1.57"
(39.88mm)
2.05"
(52.07mm)
-0.48"
(-12.19mm)
29th Driest
Driest since:
1914
100th Wettest
Wettest since:
1983
Oct–Dec 1900
3-Month
2.62"
(66.55mm)
3.24"
(82.30mm)
-0.62"
(-15.75mm)
26th Driest
Driest since:
1976
103rd Wettest
Wettest since:
1942
Sep–Dec 1900
4-Month
3.78"
(96.01mm)
4.48"
(113.79mm)
-0.70"
(-17.78mm)
33rd Driest
Driest since:
1952
96th Wettest
Wettest since:
2013
Aug–Dec 1900
5-Month
4.39"
(111.51mm)
5.55"
(140.97mm)
-1.16"
(-29.46mm)
25th Driest
Driest since:
1904
104th Wettest
Wettest since:
1923
Jul–Dec 1900
6-Month
5.38"
(136.65mm)
6.83"
(173.48mm)
-1.45"
(-36.83mm)
23rd Driest
Driest since:
1939
106th Wettest
Wettest since:
1923
Jun–Dec 1900
7-Month
5.89"
(149.61mm)
8.67"
(220.22mm)
-2.78"
(-70.61mm)
10th Driest
Driest since:
1935
119th Wettest
Wettest since:
1923
Ties: 2020
May–Dec 1900
8-Month
6.75"
(171.45mm)
10.88"
(276.35mm)
-4.13"
(-104.90mm)
1st Driest
Driest since:
1900
128th Wettest
Wettest since:
1923
Apr–Dec 1900
9-Month
10.85"
(275.59mm)
12.66"
(321.56mm)
-1.81"
(-45.97mm)
31st Driest
Driest since:
1954
98th Wettest
Wettest since:
1941
Mar–Dec 1900
10-Month
11.63"
(295.40mm)
13.91"
(353.31mm)
-2.28"
(-57.91mm)
24th Driest
Driest since:
2012
105th Wettest
Wettest since:
1941
Feb–Dec 1900
11-Month
12.80"
(325.12mm)
14.88"
(377.95mm)
-2.08"
(-52.83mm)
26th Driest
Driest since:
2012
103rd Wettest
Wettest since:
1941
Jan–Dec 1900
12-Month
13.19"
(335.03mm)
15.94"
(404.88mm)
-2.75"
(-69.85mm)
20th Driest
Driest since:
2012
109th Wettest
Wettest since:
1927
Jul 1899–Dec 1900
18-Month
18.90"
(480.06mm)
22.77"
(578.36mm)
-3.87"
(-98.30mm)
12th Driest
Driest since:
1934
116th Wettest
Wettest since:
1927
Jan 1899–Dec 1900
24-Month
31.60"
(802.64mm)
31.86"
(809.24mm)
-0.26"
(-6.60mm)
61st Driest
Driest since:
2002
67th Wettest
Wettest since:
1983
Jan 1898–Dec 1900
36-Month
45.86"
(1,164.84mm)
47.82"
(1,214.63mm)
-1.96"
(-49.79mm)
41st Driest
Driest since:
2002
86th Wettest
Wettest since:
1947
Jan 1897–Dec 1900
48-Month
60.04"
(1,525.02mm)
63.72"
(1,618.49mm)
-3.68"
(-93.47mm)
37th Driest
Driest since:
2003
89th Wettest
Wettest since:
1998
Jan 1896–Dec 1900
60-Month
77.40"
(1,965.96mm)
79.58"
(2,021.33mm)
-2.18"
(-55.37mm)
48th Driest
Driest since:
1935
77th Wettest
Wettest since:
1999

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