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 1927

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2021)		 Wettest/Driest
Since		 Record
December 1927
1-Month 		1.11"
(28.19mm)		 1.01"
(25.65mm)		 0.10"
(2.54mm)		 76th Driest
Driest since:
 1986
52nd Wettest
Wettest since:
 1964, 1996
Ties: 2015
Nov–Dec 1927
2-Month 		3.06"
(77.72mm)		 2.05"
(52.07mm)		 1.01"
(25.65mm)		 119th Driest
Driest since:
 1914
9th Wettest
Wettest since:
 1983
Ties: 1973
Oct–Dec 1927
3-Month 		4.31"
(109.47mm)		 3.24"
(82.30mm)		 1.07"
(27.17mm)		 115th Driest
Driest since:
 1976
13th Wettest
Wettest since:
 1942
Sep–Dec 1927
4-Month 		6.45"
(163.83mm)		 4.48"
(113.79mm)		 1.97"
(50.04mm)		 122nd Driest
Driest since:
 1952
6th Wettest
Wettest since:
 2013
Aug–Dec 1927
5-Month 		8.19"
(208.03mm)		 5.55"
(140.97mm)		 2.64"
(67.06mm)		 126th Driest
Driest since:
 1904
2nd Wettest
Wettest since:
 1923
Jul–Dec 1927
6-Month 		9.66"
(245.36mm)		 6.83"
(173.48mm)		 2.83"
(71.88mm)		 123rd Driest
Driest since:
 1939
5th Wettest
Wettest since:
 1923
Jun–Dec 1927
7-Month 		11.94"
(303.28mm)		 8.67"
(220.22mm)		 3.27"
(83.06mm)		 123rd Driest
Driest since:
 1935
5th Wettest
Wettest since:
 1923
May–Dec 1927
8-Month 		14.26"
(362.20mm)		 10.88"
(276.35mm)		 3.38"
(85.85mm)		 122nd Driest
Driest since:
 1900
6th Wettest
Wettest since:
 1923
Apr–Dec 1927
9-Month 		16.68"
(423.67mm)		 12.66"
(321.56mm)		 4.02"
(102.11mm)		 124th Driest
Driest since:
 1954
4th Wettest
Wettest since:
 1941
Mar–Dec 1927
10-Month 		17.98"
(456.69mm)		 13.91"
(353.31mm)		 4.07"
(103.38mm)		 124th Driest
Driest since:
 2012
4th Wettest
Wettest since:
 1941
Feb–Dec 1927
11-Month 		19.39"
(492.51mm)		 14.88"
(377.95mm)		 4.51"
(114.56mm)		 126th Driest
Driest since:
 2012
2nd Wettest
Wettest to Date
 1941
Jan–Dec 1927
12-Month 		20.50"
(520.70mm)		 15.94"
(404.88mm)		 4.56"
(115.82mm)		 127th Driest
Driest since:
 2012
1st Wettest
Wettest to Date
 1927
Jul 1926–Dec 1927
18-Month 		29.30"
(744.22mm)		 22.77"
(578.36mm)		 6.53"
(165.86mm)		 126th Driest
Driest since:
 1934
1st Wettest
Wettest to Date
 1927
Jan 1926–Dec 1927
24-Month 		37.25"
(946.15mm)		 31.86"
(809.24mm)		 5.39"
(136.91mm)		 120th Driest
Driest since:
 2002
7th Wettest
Wettest to Date
 1983
Jan 1925–Dec 1927
36-Month 		54.46"
(1,383.28mm)		 47.82"
(1,214.63mm)		 6.64"
(168.65mm)		 121st Driest
Driest since:
 2002
5th Wettest
Wettest to Date
 1947
Jan 1924–Dec 1927
48-Month 		68.23"
(1,733.04mm)		 63.72"
(1,618.49mm)		 4.51"
(114.55mm)		 99th Driest
Driest since:
 2003
26th Wettest
Wettest since:
 1998
Jan 1923–Dec 1927
60-Month 		88.21"
(2,240.53mm)		 79.58"
(2,021.33mm)		 8.63"
(219.20mm)		 116th Driest
Driest since:
 1935
8th Wettest
Wettest to Date
 1999

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