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 2005

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
April 2005
1-Month 		1.97"
(50.04mm)		 1.84"
(46.74mm)		 0.13"
(3.30mm)		 85th Driest
Driest since:
 2002
44th Wettest
Wettest since:
 1900
Mar–Apr 2005
2-Month 		3.37"
(85.60mm)		 3.35"
(85.09mm)		 0.02"
(0.51mm)		 73rd Driest
Driest since:
 2002
56th Wettest
Wettest since:
 1906
Ties: 1949
Feb–Apr 2005
3-Month 		4.43"
(112.52mm)		 4.44"
(112.78mm)		 -0.01"
(-0.26mm)		 77th Driest
Driest since:
 2002
52nd Wettest
Wettest since:
 1905
Ties: 1929, 1933, 2011
Jan–Apr 2005
4-Month 		6.40"
(162.56mm)		 5.51"
(139.95mm)		 0.89"
(22.61mm)		 104th Driest
Driest since:
 2002
25th Wettest
Wettest since:
 1905
Dec 2004–Apr 2005
5-Month 		7.17"
(182.12mm)		 6.58"
(167.13mm)		 0.59"
(14.99mm)		 89th Driest
Driest since:
 2002
39th Wettest
Wettest since:
 1905
Nov 2004–Apr 2005
6-Month 		8.86"
(225.04mm)		 7.65"
(194.31mm)		 1.21"
(30.73mm)		 104th Driest
Driest since:
 1904
24th Wettest
Wettest since:
 1984
Oct 2004–Apr 2005
7-Month 		10.33"
(262.38mm)		 8.98"
(228.09mm)		 1.35"
(34.29mm)		 101st Driest
Driest since:
 2002
27th Wettest
Wettest since:
 1942
Sep 2004–Apr 2005
8-Month 		12.50"
(317.50mm)		 10.41"
(264.41mm)		 2.09"
(53.09mm)		 114th Driest
Driest since:
 1902, 2002
14th Wettest
Wettest since:
 1942
Aug 2004–Apr 2005
9-Month 		14.35"
(364.49mm)		 12.42"
(315.47mm)		 1.93"
(49.02mm)		 110th Driest
Driest since:
 2002
18th Wettest
Wettest since:
 1942
Jul 2004–Apr 2005
10-Month 		16.71"
(424.43mm)		 14.52"
(368.81mm)		 2.19"
(55.62mm)		 111th Driest
Driest since:
 1902
17th Wettest
Wettest since:
 1942
Jun 2004–Apr 2005
11-Month 		18.70"
(474.98mm)		 16.07"
(408.18mm)		 2.63"
(66.80mm)		 115th Driest
Driest since:
 1981
13th Wettest
Wettest since:
 1942
May 2004–Apr 2005
12-Month 		19.40"
(492.76mm)		 18.08"
(459.23mm)		 1.32"
(33.53mm)		 91st Driest
Driest since:
 2013
37th Wettest
Wettest since:
 1942
Nov 2003–Apr 2005
18-Month 		27.58"
(700.53mm)		 25.76"
(654.30mm)		 1.82"
(46.23mm)		 98th Driest
Driest since:
 2013
29th Wettest
Wettest since:
 1942
May 2003–Apr 2005
24-Month 		36.08"
(916.43mm)		 36.16"
(918.46mm)		 -0.08"
(-2.03mm)		 66th Driest
Driest since:
 1902
61st Wettest
Wettest since:
 1942
May 2002–Apr 2005
36-Month 		51.06"
(1,296.92mm)		 54.22"
(1,377.19mm)		 -3.16"
(-80.27mm)		 35th Driest
Driest since:
 1955
91st Wettest
Wettest since:
 1985
May 2001–Apr 2005
48-Month 		65.20"
(1,656.08mm)		 72.24"
(1,834.90mm)		 -7.04"
(-178.82mm)		 18th Driest
Driest since:
 1904
107th Wettest
Wettest since:
 1986
May 2000–Apr 2005
60-Month 		81.03"
(2,058.16mm)		 90.24"
(2,292.10mm)		 -9.21"
(-233.94mm)		 12th Driest
Driest since:
 1957
112th Wettest
Wettest since:
 1987

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