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 1906

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 1906
1-Month 		1.15"
(29.21mm)		 1.06"
(26.92mm)		 0.09"
(2.29mm)		 85th Driest
Driest since:
 1919, 1931
45th Wettest
Wettest since:
 1916
Dec 1905–Jan 1906
2-Month 		1.44"
(36.58mm)		 2.13"
(54.10mm)		 -0.69"
(-17.52mm)		 16th Driest
Driest since:
 1931
113th Wettest
Wettest since:
 1914
Nov 1905–Jan 1906
3-Month 		2.77"
(70.36mm)		 3.20"
(81.28mm)		 -0.43"
(-10.92mm)		 39th Driest
Driest since:
 1904
90th Wettest
Wettest since:
 1979
Oct 1905–Jan 1906
4-Month 		3.84"
(97.54mm)		 4.54"
(115.32mm)		 -0.70"
(-17.78mm)		 35th Driest
Driest since:
 1977
94th Wettest
Wettest since:
 1909
Sep 1905–Jan 1906
5-Month 		5.26"
(133.60mm)		 5.96"
(151.38mm)		 -0.70"
(-17.78mm)		 39th Driest
Driest since:
 1904
90th Wettest
Wettest since:
 1942
Ties: 1922, 1978
Aug 1905–Jan 1906
6-Month 		6.54"
(166.12mm)		 7.98"
(202.69mm)		 -1.44"
(-36.57mm)		 24th Driest
Driest since:
 1901
105th Wettest
Wettest since:
 1942
Jul 1905–Jan 1906
7-Month 		8.58"
(217.93mm)		 10.08"
(256.03mm)		 -1.50"
(-38.10mm)		 27th Driest
Driest since:
 1901
102nd Wettest
Wettest since:
 2007
Jun 1905–Jan 1906
8-Month 		9.65"
(245.11mm)		 11.62"
(295.15mm)		 -1.97"
(-50.04mm)		 22nd Driest
Driest since:
 1901, 1981
107th Wettest
Wettest since:
 1942
May 1905–Jan 1906
9-Month 		12.18"
(309.37mm)		 13.64"
(346.46mm)		 -1.46"
(-37.09mm)		 35th Driest
Driest since:
 1901
94th Wettest
Wettest since:
 1942
Apr 1905–Jan 1906
10-Month 		16.15"
(410.21mm)		 15.52"
(394.21mm)		 0.63"
(16.00mm)		 80th Driest
Driest since:
 1940
49th Wettest
Wettest since:
 1942
Mar 1905–Jan 1906
11-Month 		18.90"
(480.06mm)		 17.02"
(432.31mm)		 1.88"
(47.75mm)		 105th Driest
Driest since:
 2021
24th Wettest
Wettest since:
 1942
Feb 1905–Jan 1906
12-Month 		20.85"
(529.59mm)		 18.10"
(459.74mm)		 2.75"
(69.85mm)		 114th Driest
Driest since:
 2003
15th Wettest
Wettest since:
 1942
Aug 1904–Jan 1906
18-Month 		28.61"
(726.69mm)		 26.08"
(662.43mm)		 2.53"
(64.26mm)		 102nd Driest
Driest since:
 2003
26th Wettest
Wettest since:
 1942
Feb 1904–Jan 1906
24-Month 		38.82"
(986.03mm)		 36.16"
(918.46mm)		 2.66"
(67.57mm)		 101st Driest
Driest since:
 2003
27th Wettest
Wettest to Date
 1943
Feb 1903–Jan 1906
36-Month 		54.80"
(1,391.92mm)		 54.20"
(1,376.68mm)		 0.60"
(15.24mm)		 68th Driest
Driest since:
 1977
59th Wettest
Wettest since:
 1943
Feb 1902–Jan 1906
48-Month 		70.71"
(1,796.03mm)		 72.24"
(1,834.90mm)		 -1.53"
(-38.87mm)		 48th Driest
Driest since:
 1957
78th Wettest
Wettest since:
 1987
Feb 1901–Jan 1906
60-Month 		86.34"
(2,193.04mm)		 90.25"
(2,292.35mm)		 -3.91"
(-99.31mm)		 43rd Driest
Driest since:
 1957
82nd Wettest
Wettest since:
 2000

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