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 1929

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1929
1-Month 		0.68"
(17.27mm)		 1.01"
(25.65mm)		 -0.33"
(-8.38mm)		 23rd Driest
Driest since:
 1986
106th Wettest
Wettest since:
 1964, 1996
Ties: 1903, 1988
Nov–Dec 1929
2-Month 		1.79"
(45.47mm)		 2.05"
(52.07mm)		 -0.26"
(-6.60mm)		 45th Driest
Driest since:
 1914
84th Wettest
Wettest since:
 1983
Ties: 1917
Oct–Dec 1929
3-Month 		2.89"
(73.41mm)		 3.24"
(82.30mm)		 -0.35"
(-8.89mm)		 40th Driest
Driest since:
 1976
89th Wettest
Wettest since:
 1942
Sep–Dec 1929
4-Month 		5.00"
(127.00mm)		 4.48"
(113.79mm)		 0.52"
(13.21mm)		 91st Driest
Driest since:
 1952
38th Wettest
Wettest since:
 2013
Aug–Dec 1929
5-Month 		5.91"
(150.11mm)		 5.55"
(140.97mm)		 0.36"
(9.14mm)		 81st Driest
Driest since:
 1904
48th Wettest
Wettest since:
 1923
Jul–Dec 1929
6-Month 		6.94"
(176.28mm)		 6.83"
(173.48mm)		 0.11"
(2.80mm)		 71st Driest
Driest since:
 1939
58th Wettest
Wettest since:
 1923
Jun–Dec 1929
7-Month 		8.05"
(204.47mm)		 8.67"
(220.22mm)		 -0.62"
(-15.75mm)		 47th Driest
Driest since:
 1935
82nd Wettest
Wettest since:
 1923
Ties: 1899
May–Dec 1929
8-Month 		10.13"
(257.30mm)		 10.88"
(276.35mm)		 -0.75"
(-19.05mm)		 45th Driest
Driest since:
 1900
84th Wettest
Wettest since:
 1923
Apr–Dec 1929
9-Month 		12.59"
(319.79mm)		 12.66"
(321.56mm)		 -0.07"
(-1.77mm)		 65th Driest
Driest since:
 1954
64th Wettest
Wettest since:
 1941
Mar–Dec 1929
10-Month 		14.82"
(376.43mm)		 13.91"
(353.31mm)		 0.91"
(23.12mm)		 86th Driest
Driest since:
 2012
43rd Wettest
Wettest since:
 1941
Feb–Dec 1929
11-Month 		15.91"
(404.11mm)		 14.88"
(377.95mm)		 1.03"
(26.16mm)		 91st Driest
Driest since:
 2012
38th Wettest
Wettest since:
 1941
Ties: 1905
Jan–Dec 1929
12-Month 		17.03"
(432.56mm)		 15.94"
(404.88mm)		 1.09"
(27.68mm)		 88th Driest
Driest since:
 2012
41st Wettest
Wettest since:
 1927
Jul 1928–Dec 1929
18-Month 		24.12"
(612.65mm)		 22.77"
(578.36mm)		 1.35"
(34.29mm)		 88th Driest
Driest since:
 1934
40th Wettest
Wettest since:
 1927
Jan 1928–Dec 1929
24-Month 		33.15"
(842.01mm)		 31.86"
(809.24mm)		 1.29"
(32.77mm)		 84th Driest
Driest since:
 2002
44th Wettest
Wettest since:
 1983
Jan 1927–Dec 1929
36-Month 		53.65"
(1,362.71mm)		 47.82"
(1,214.63mm)		 5.83"
(148.08mm)		 117th Driest
Driest since:
 2002
10th Wettest
Wettest since:
 1947
Jan 1926–Dec 1929
48-Month 		70.40"
(1,788.16mm)		 63.72"
(1,618.49mm)		 6.68"
(169.67mm)		 115th Driest
Driest since:
 2003
11th Wettest
Wettest since:
 1998
Ties: 2019
Jan 1925–Dec 1929
60-Month 		87.61"
(2,225.29mm)		 79.58"
(2,021.33mm)		 8.03"
(203.96mm)		 114th Driest
Driest since:
 1935
11th Wettest
Wettest since:
 1999

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