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 1947

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1947
1-Month
0.81"
(20.57mm)
1.01"
(25.65mm)
-0.20"
(-5.08mm)
43rd Driest
Driest since:
1986
85th Wettest
Wettest since:
1964, 1996
Ties: 1938, 2019
Nov–Dec 1947
2-Month
2.65"
(67.31mm)
2.05"
(52.07mm)
0.60"
(15.24mm)
106th Driest
Driest since:
1914
22nd Wettest
Wettest since:
1983
Oct–Dec 1947
3-Month
3.98"
(101.09mm)
3.24"
(82.30mm)
0.74"
(18.79mm)
108th Driest
Driest since:
1976
20th Wettest
Wettest since:
1942
Sep–Dec 1947
4-Month
5.22"
(132.59mm)
4.48"
(113.79mm)
0.74"
(18.80mm)
98th Driest
Driest since:
1952
30th Wettest
Wettest since:
2013
Aug–Dec 1947
5-Month
6.48"
(164.59mm)
5.55"
(140.97mm)
0.93"
(23.62mm)
100th Driest
Driest since:
1904
28th Wettest
Wettest since:
1923
Ties: 1919
Jul–Dec 1947
6-Month
7.43"
(188.72mm)
6.83"
(173.48mm)
0.60"
(15.24mm)
90th Driest
Driest since:
1939
38th Wettest
Wettest since:
1923
Jun–Dec 1947
7-Month
11.40"
(289.56mm)
8.67"
(220.22mm)
2.73"
(69.34mm)
118th Driest
Driest since:
1935
10th Wettest
Wettest since:
1923
May–Dec 1947
8-Month
13.98"
(355.09mm)
10.88"
(276.35mm)
3.10"
(78.74mm)
119th Driest
Driest since:
1900
9th Wettest
Wettest since:
1923
Apr–Dec 1947
9-Month
15.86"
(402.84mm)
12.66"
(321.56mm)
3.20"
(81.28mm)
119th Driest
Driest since:
1954
9th Wettest
Wettest since:
1941
Mar–Dec 1947
10-Month
16.93"
(430.02mm)
13.91"
(353.31mm)
3.02"
(76.71mm)
117th Driest
Driest since:
2012
11th Wettest
Wettest since:
1941
Feb–Dec 1947
11-Month
17.88"
(454.15mm)
14.88"
(377.95mm)
3.00"
(76.20mm)
116th Driest
Driest since:
2012
12th Wettest
Wettest since:
1941
Jan–Dec 1947
12-Month
18.72"
(475.49mm)
15.94"
(404.88mm)
2.78"
(70.61mm)
115th Driest
Driest since:
2012
13th Wettest
Wettest since:
1927
Jul 1946–Dec 1947
18-Month
27.05"
(687.07mm)
22.77"
(578.36mm)
4.28"
(108.71mm)
119th Driest
Driest since:
1934
8th Wettest
Wettest since:
1927
Jan 1946–Dec 1947
24-Month
36.79"
(934.47mm)
31.86"
(809.24mm)
4.93"
(125.23mm)
119th Driest
Driest since:
2002
8th Wettest
Wettest since:
1983
Jan 1945–Dec 1947
36-Month
56.57"
(1,436.88mm)
47.82"
(1,214.63mm)
8.75"
(222.25mm)
125th Driest
Driest since:
2002
1st Wettest
Wettest to Date
1947
Jan 1944–Dec 1947
48-Month
74.59"
(1,894.59mm)
63.72"
(1,618.49mm)
10.87"
(276.10mm)
123rd Driest
Driest since:
2003
2nd Wettest
Wettest to Date
1998
Jan 1943–Dec 1947
60-Month
89.58"
(2,275.33mm)
79.58"
(2,021.33mm)
10.00"
(254.00mm)
120th Driest
Driest since:
1935
4th Wettest
Wettest since:
1999

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