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, January 2006

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 2006
1-Month 		0.97"
(24.64mm)		 1.06"
(26.92mm)		 -0.09"
(-2.28mm)		 67th Driest
Driest since:
 1919, 1931
63rd Wettest
Wettest since:
 1916
Dec 2005–Jan 2006
2-Month 		1.98"
(50.29mm)		 2.13"
(54.10mm)		 -0.15"
(-3.81mm)		 56th Driest
Driest since:
 1931
73rd Wettest
Wettest since:
 1914
Ties: 1937, 1942, 1945, 2000
Nov 2005–Jan 2006
3-Month 		2.87"
(72.90mm)		 3.20"
(81.28mm)		 -0.33"
(-8.38mm)		 46th Driest
Driest since:
 1904
83rd Wettest
Wettest since:
 1979
Ties: 1926, 2022
Oct 2005–Jan 2006
4-Month 		5.20"
(132.08mm)		 4.54"
(115.32mm)		 0.66"
(16.76mm)		 90th Driest
Driest since:
 1977
39th Wettest
Wettest since:
 1909
Ties: 1993
Sep 2005–Jan 2006
5-Month 		6.55"
(166.37mm)		 5.96"
(151.38mm)		 0.59"
(14.99mm)		 85th Driest
Driest since:
 1904
44th Wettest
Wettest since:
 1942
Aug 2005–Jan 2006
6-Month 		8.78"
(223.01mm)		 7.98"
(202.69mm)		 0.80"
(20.32mm)		 92nd Driest
Driest since:
 1901
37th Wettest
Wettest since:
 1942
Ties: 1993
Jul 2005–Jan 2006
7-Month 		9.83"
(249.68mm)		 10.08"
(256.03mm)		 -0.25"
(-6.35mm)		 58th Driest
Driest since:
 1901
71st Wettest
Wettest since:
 2007
Jun 2005–Jan 2006
8-Month 		12.03"
(305.56mm)		 11.62"
(295.15mm)		 0.41"
(10.41mm)		 74th Driest
Driest since:
 1901, 1981
55th Wettest
Wettest since:
 1942
May 2005–Jan 2006
9-Month 		13.52"
(343.41mm)		 13.64"
(346.46mm)		 -0.12"
(-3.05mm)		 67th Driest
Driest since:
 1901
62nd Wettest
Wettest since:
 1942
Ties: 1971
Apr 2005–Jan 2006
10-Month 		15.49"
(393.45mm)		 15.52"
(394.21mm)		 -0.03"
(-0.76mm)		 68th Driest
Driest since:
 1940
61st Wettest
Wettest since:
 1942
Mar 2005–Jan 2006
11-Month 		16.89"
(429.01mm)		 17.02"
(432.31mm)		 -0.13"
(-3.30mm)		 63rd Driest
Driest since:
 2021
66th Wettest
Wettest since:
 1942
Feb 2005–Jan 2006
12-Month 		17.95"
(455.93mm)		 18.10"
(459.74mm)		 -0.15"
(-3.81mm)		 62nd Driest
Driest since:
 2003
67th Wettest
Wettest since:
 1942
Aug 2004–Jan 2006
18-Month 		27.87"
(707.90mm)		 26.08"
(662.43mm)		 1.79"
(45.47mm)		 92nd Driest
Driest since:
 2003
36th Wettest
Wettest since:
 1942
Feb 2004–Jan 2006
24-Month 		37.95"
(963.93mm)		 36.16"
(918.46mm)		 1.79"
(45.47mm)		 85th Driest
Driest since:
 2003
43rd Wettest
Wettest since:
 1943
Feb 2003–Jan 2006
36-Month 		54.85"
(1,393.19mm)		 54.20"
(1,376.68mm)		 0.65"
(16.51mm)		 72nd Driest
Driest since:
 1977
55th Wettest
Wettest since:
 1943
Ties: 2009
Feb 2002–Jan 2006
48-Month 		66.50"
(1,689.10mm)		 72.24"
(1,834.90mm)		 -5.74"
(-145.80mm)		 24th Driest
Driest since:
 1957
102nd Wettest
Wettest since:
 1987
Feb 2001–Jan 2006
60-Month 		82.93"
(2,106.42mm)		 90.25"
(2,292.35mm)		 -7.32"
(-185.93mm)		 20th Driest
Driest since:
 1957
105th Wettest
Wettest since:
 2000

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