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, February 1921

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
February 1921
1-Month 		0.88"
(22.35mm)		 1.09"
(27.69mm)		 -0.21"
(-5.34mm)		 41st Driest
Driest since:
 1970
89th Wettest
Wettest since:
 1903
Ties: 1963
Jan–Feb 1921
2-Month 		2.16"
(54.86mm)		 2.15"
(54.61mm)		 0.01"
(0.25mm)		 71st Driest
Driest since:
 1981
59th Wettest
Wettest since:
 1980
Ties: 1988, 2001
Dec 1920–Feb 1921
3-Month 		3.22"
(81.79mm)		 3.22"
(81.79mm)		 0.00"
(0.00mm)		 65th Driest
Driest since:
 1981
64th Wettest
Wettest since:
 2008
Ties: 1919, 1985
Nov 1920–Feb 1921
4-Month 		3.99"
(101.35mm)		 4.29"
(108.97mm)		 -0.30"
(-7.62mm)		 51st Driest
Driest since:
 1904
78th Wettest
Wettest since:
 1979
Oct 1920–Feb 1921
5-Month 		5.78"
(146.81mm)		 5.63"
(143.00mm)		 0.15"
(3.81mm)		 66th Driest
Driest since:
 1977
63rd Wettest
Wettest since:
 1909
Ties: 2009
Sep 1920–Feb 1921
6-Month 		7.09"
(180.09mm)		 7.05"
(179.07mm)		 0.04"
(1.02mm)		 70th Driest
Driest since:
 1981
59th Wettest
Wettest since:
 1942
Ties: 1989, 1999
Aug 1920–Feb 1921
7-Month 		9.41"
(239.01mm)		 9.07"
(230.38mm)		 0.34"
(8.63mm)		 75th Driest
Driest since:
 1901
54th Wettest
Wettest since:
 1942
Ties: 1982
Jul 1920–Feb 1921
8-Month 		11.10"
(281.94mm)		 11.16"
(283.46mm)		 -0.06"
(-1.52mm)		 60th Driest
Driest since:
 1901
69th Wettest
Wettest since:
 1942
Jun 1920–Feb 1921
9-Month 		12.59"
(319.79mm)		 12.71"
(322.83mm)		 -0.12"
(-3.04mm)		 64th Driest
Driest since:
 1981
65th Wettest
Wettest since:
 1942
May 1920–Feb 1921
10-Month 		14.65"
(372.11mm)		 14.73"
(374.14mm)		 -0.08"
(-2.03mm)		 62nd Driest
Driest since:
 1901
67th Wettest
Wettest since:
 1942
Apr 1920–Feb 1921
11-Month 		17.78"
(451.61mm)		 16.61"
(421.89mm)		 1.17"
(29.72mm)		 95th Driest
Driest since:
 2021
34th Wettest
Wettest since:
 1942
Mar 1920–Feb 1921
12-Month 		19.23"
(488.44mm)		 18.11"
(459.99mm)		 1.12"
(28.45mm)		 89th Driest
Driest since:
 1935
40th Wettest
Wettest since:
 1942
Sep 1919–Feb 1921
18-Month 		27.84"
(707.14mm)		 25.17"
(639.32mm)		 2.67"
(67.82mm)		 104th Driest
Driest since:
 2003
24th Wettest
Wettest since:
 1942
Mar 1919–Feb 1921
24-Month 		38.64"
(981.46mm)		 36.16"
(918.46mm)		 2.48"
(63.00mm)		 97th Driest
Driest since:
 2003
31st Wettest
Wettest since:
 1943
Mar 1918–Feb 1921
36-Month 		57.01"
(1,448.05mm)		 54.20"
(1,376.68mm)		 2.81"
(71.37mm)		 94th Driest
Driest since:
 1977
33rd Wettest
Wettest since:
 1998
Mar 1917–Feb 1921
48-Month 		74.31"
(1,887.47mm)		 72.23"
(1,834.64mm)		 2.08"
(52.83mm)		 85th Driest
Driest since:
 1935
41st Wettest
Wettest since:
 1987
Mar 1916–Feb 1921
60-Month 		92.19"
(2,341.63mm)		 90.24"
(2,292.10mm)		 1.95"
(49.53mm)		 76th Driest
Driest since:
 1957
49th Wettest
Wettest since:
 1987
Ties: 1947

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