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 2021

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
February 2021
1-Month 		1.11"
(28.19mm)		 1.09"
(27.69mm)		 0.02"
(0.50mm)		 73rd Driest
Driest since:
 1970
57th Wettest
Wettest since:
 1903
Ties: 1956
Jan–Feb 2021
2-Month 		1.85"
(46.99mm)		 2.15"
(54.61mm)		 -0.30"
(-7.62mm)		 44th Driest
Driest since:
 1981
86th Wettest
Wettest since:
 1980
Ties: 1917, 1976
Dec 2020–Feb 2021
3-Month 		2.81"
(71.37mm)		 3.22"
(81.79mm)		 -0.41"
(-10.42mm)		 41st Driest
Driest since:
 1981
88th Wettest
Wettest since:
 2008
Nov 2020–Feb 2021
4-Month 		3.66"
(92.96mm)		 4.29"
(108.97mm)		 -0.63"
(-16.01mm)		 32nd Driest
Driest since:
 1904
97th Wettest
Wettest since:
 1979
Oct 2020–Feb 2021
5-Month 		4.28"
(108.71mm)		 5.63"
(143.00mm)		 -1.35"
(-34.29mm)		 17th Driest
Driest since:
 1977
112th Wettest
Wettest since:
 1909
Sep 2020–Feb 2021
6-Month 		5.25"
(133.35mm)		 7.05"
(179.07mm)		 -1.80"
(-45.72mm)		 12th Driest
Driest since:
 1981
117th Wettest
Wettest since:
 1942
Aug 2020–Feb 2021
7-Month 		6.05"
(153.67mm)		 9.07"
(230.38mm)		 -3.02"
(-76.71mm)		 4th Driest
Driest since:
 1901
125th Wettest
Wettest since:
 1942
Jul 2020–Feb 2021
8-Month 		7.90"
(200.66mm)		 11.16"
(283.46mm)		 -3.26"
(-82.80mm)		 6th Driest
Driest since:
 1901
123rd Wettest
Wettest since:
 1942
Jun 2020–Feb 2021
9-Month 		9.05"
(229.87mm)		 12.71"
(322.83mm)		 -3.66"
(-92.96mm)		 4th Driest
Driest since:
 1981
125th Wettest
Wettest since:
 1942
May 2020–Feb 2021
10-Month 		10.12"
(257.05mm)		 14.73"
(374.14mm)		 -4.61"
(-117.09mm)		 2nd Driest
Driest since:
 1901
127th Wettest
Wettest since:
 1942
Apr 2020–Feb 2021
11-Month 		10.92"
(277.37mm)		 16.61"
(421.89mm)		 -5.69"
(-144.52mm)		 1st Driest
Driest to Date
 2021
128th Wettest
Wettest since:
 1942
Mar 2020–Feb 2021
12-Month 		12.27"
(311.66mm)		 18.11"
(459.99mm)		 -5.84"
(-148.33mm)		 3rd Driest
Driest since:
 1935
126th Wettest
Wettest since:
 1942
Sep 2019–Feb 2021
18-Month 		18.14"
(460.76mm)		 25.17"
(639.32mm)		 -7.03"
(-178.56mm)		 2nd Driest
Driest since:
 2003
126th Wettest
Wettest since:
 1942
Mar 2019–Feb 2021
24-Month 		30.04"
(763.02mm)		 36.16"
(918.46mm)		 -6.12"
(-155.44mm)		 8th Driest
Driest since:
 2003
120th Wettest
Wettest since:
 1943
Mar 2018–Feb 2021
36-Month 		46.01"
(1,168.65mm)		 54.20"
(1,376.68mm)		 -8.19"
(-208.03mm)		 9th Driest
Driest since:
 1977
118th Wettest
Wettest since:
 1998
Mar 2017–Feb 2021
48-Month 		63.57"
(1,614.68mm)		 72.23"
(1,834.64mm)		 -8.66"
(-219.96mm)		 10th Driest
Driest since:
 1935
116th Wettest
Wettest since:
 1987
Ties: 1936
Mar 2016–Feb 2021
60-Month 		82.07"
(2,084.58mm)		 90.24"
(2,292.10mm)		 -8.17"
(-207.52mm)		 19th Driest
Driest since:
 1957
106th Wettest
Wettest since:
 1987

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