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.

Colorado

Precipitation Rankings, April 1979

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
April 1979
1-Month 		1.14"
(28.96mm)		 1.84"
(46.74mm)		 -0.70"
(-17.78mm)		 24th Driest
Driest since:
 2002
105th Wettest
Wettest since:
 1900
Ties: 1937, 1966, 2008
Mar–Apr 1979
2-Month 		3.57"
(90.68mm)		 3.35"
(85.09mm)		 0.22"
(5.59mm)		 85th Driest
Driest since:
 2002
44th Wettest
Wettest since:
 1906
Ties: 1927
Feb–Apr 1979
3-Month 		4.41"
(112.01mm)		 4.44"
(112.78mm)		 -0.03"
(-0.77mm)		 73rd Driest
Driest since:
 2002
56th Wettest
Wettest since:
 1905
Jan–Apr 1979
4-Month 		6.33"
(160.78mm)		 5.51"
(139.95mm)		 0.82"
(20.83mm)		 102nd Driest
Driest since:
 2002
27th Wettest
Wettest since:
 1905
Dec 1978–Apr 1979
5-Month 		8.50"
(215.90mm)		 6.58"
(167.13mm)		 1.92"
(48.77mm)		 116th Driest
Driest since:
 2002
12th Wettest
Wettest since:
 1905
Nov 1978–Apr 1979
6-Month 		10.07"
(255.78mm)		 7.65"
(194.31mm)		 2.42"
(61.47mm)		 118th Driest
Driest since:
 1904
10th Wettest
Wettest since:
 1984
Oct 1978–Apr 1979
7-Month 		11.16"
(283.46mm)		 8.98"
(228.09mm)		 2.18"
(55.37mm)		 109th Driest
Driest since:
 2002
19th Wettest
Wettest since:
 1942
Sep 1978–Apr 1979
8-Month 		11.67"
(296.42mm)		 10.41"
(264.41mm)		 1.26"
(32.01mm)		 92nd Driest
Driest since:
 1902, 2002
36th Wettest
Wettest since:
 1942
Aug 1978–Apr 1979
9-Month 		13.04"
(331.22mm)		 12.42"
(315.47mm)		 0.62"
(15.75mm)		 76th Driest
Driest since:
 2002
52nd Wettest
Wettest since:
 1942
Jul 1978–Apr 1979
10-Month 		14.19"
(360.43mm)		 14.52"
(368.81mm)		 -0.33"
(-8.38mm)		 56th Driest
Driest since:
 1902
72nd Wettest
Wettest since:
 1942
Jun 1978–Apr 1979
11-Month 		15.59"
(395.99mm)		 16.07"
(408.18mm)		 -0.48"
(-12.19mm)		 50th Driest
Driest since:
 1981
78th Wettest
Wettest since:
 1942
May 1978–Apr 1979
12-Month 		18.50"
(469.90mm)		 18.08"
(459.23mm)		 0.42"
(10.67mm)		 73rd Driest
Driest since:
 2013
55th Wettest
Wettest since:
 1942
Nov 1977–Apr 1979
18-Month 		26.41"
(670.81mm)		 25.76"
(654.30mm)		 0.65"
(16.51mm)		 78th Driest
Driest since:
 2013
49th Wettest
Wettest since:
 1942
May 1977–Apr 1979
24-Month 		35.94"
(912.88mm)		 36.16"
(918.46mm)		 -0.22"
(-5.58mm)		 62nd Driest
Driest since:
 1902
65th Wettest
Wettest since:
 1942
May 1976–Apr 1979
36-Month 		49.91"
(1,267.71mm)		 54.22"
(1,377.19mm)		 -4.31"
(-109.48mm)		 27th Driest
Driest since:
 1955
99th Wettest
Wettest since:
 1985
May 1975–Apr 1979
48-Month 		65.30"
(1,658.62mm)		 72.24"
(1,834.90mm)		 -6.94"
(-176.28mm)		 19th Driest
Driest since:
 1904
106th Wettest
Wettest since:
 1986
May 1974–Apr 1979
60-Month 		80.37"
(2,041.40mm)		 90.24"
(2,292.10mm)		 -9.87"
(-250.70mm)		 9th Driest
Driest since:
 1957
115th Wettest
Wettest since:
 1987

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