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 1974

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 1974
1-Month
0.76"
(19.30mm)
1.01"
(25.65mm)
-0.25"
(-6.35mm)
32nd Driest
Driest since:
1986
96th Wettest
Wettest since:
1964, 1996
Ties: 1904, 1928, 2018
Nov–Dec 1974
2-Month
1.33"
(33.78mm)
2.05"
(52.07mm)
-0.72"
(-18.29mm)
13th Driest
Driest since:
1914
115th Wettest
Wettest since:
1983
Oct–Dec 1974
3-Month
3.00"
(76.20mm)
3.24"
(82.30mm)
-0.24"
(-6.10mm)
45th Driest
Driest since:
1976
83rd Wettest
Wettest since:
1942
Sep–Dec 1974
4-Month
3.57"
(90.68mm)
4.48"
(113.79mm)
-0.91"
(-23.11mm)
25th Driest
Driest since:
1952
103rd Wettest
Wettest since:
2013
Aug–Dec 1974
5-Month
4.46"
(113.28mm)
5.55"
(140.97mm)
-1.09"
(-27.69mm)
28th Driest
Driest since:
1904
100th Wettest
Wettest since:
1923
Jul–Dec 1974
6-Month
5.68"
(144.27mm)
6.83"
(173.48mm)
-1.15"
(-29.21mm)
28th Driest
Driest since:
1939
100th Wettest
Wettest since:
1923
Ties: 1960, 2000
Jun–Dec 1974
7-Month
6.77"
(171.96mm)
8.67"
(220.22mm)
-1.90"
(-48.26mm)
18th Driest
Driest since:
1935
110th Wettest
Wettest since:
1923
May–Dec 1974
8-Month
7.77"
(197.36mm)
10.88"
(276.35mm)
-3.11"
(-78.99mm)
9th Driest
Driest since:
1900
119th Wettest
Wettest since:
1923
Apr–Dec 1974
9-Month
9.90"
(251.46mm)
12.66"
(321.56mm)
-2.76"
(-70.10mm)
17th Driest
Driest since:
1954
111th Wettest
Wettest since:
1941
Mar–Dec 1974
10-Month
11.23"
(285.24mm)
13.91"
(353.31mm)
-2.68"
(-68.07mm)
20th Driest
Driest since:
2012
108th Wettest
Wettest since:
1941
Feb–Dec 1974
11-Month
11.85"
(300.99mm)
14.88"
(377.95mm)
-3.03"
(-76.96mm)
16th Driest
Driest since:
2012
112th Wettest
Wettest since:
1941
Jan–Dec 1974
12-Month
12.92"
(328.17mm)
15.94"
(404.88mm)
-3.02"
(-76.71mm)
18th Driest
Driest since:
2012
110th Wettest
Wettest since:
1927
Jul 1973–Dec 1974
18-Month
23.21"
(589.53mm)
22.77"
(578.36mm)
0.44"
(11.17mm)
69th Driest
Driest since:
1934
58th Wettest
Wettest since:
1927
Jan 1973–Dec 1974
24-Month
31.20"
(792.48mm)
31.87"
(809.50mm)
-0.67"
(-17.02mm)
55th Driest
Driest since:
2002
72nd Wettest
Wettest since:
1983
Jan 1972–Dec 1974
36-Month
48.16"
(1,223.26mm)
47.82"
(1,214.63mm)
0.34"
(8.63mm)
74th Driest
Driest since:
2002
52nd Wettest
Wettest since:
1947
Jan 1971–Dec 1974
48-Month
66.72"
(1,694.69mm)
63.72"
(1,618.49mm)
3.00"
(76.20mm)
92nd Driest
Driest since:
2003
33rd Wettest
Wettest since:
1998
Jan 1970–Dec 1974
60-Month
83.13"
(2,111.50mm)
79.58"
(2,021.33mm)
3.55"
(90.17mm)
91st Driest
Driest since:
1935
33rd Wettest
Wettest since:
1999

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