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 1987

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
February 1987
1-Month 		1.81"
(45.97mm)		 1.09"
(27.69mm)		 0.72"
(18.28mm)		 118th Driest
Driest since:
 1970
11th Wettest
Wettest since:
 1903
Jan–Feb 1987
2-Month 		2.92"
(74.17mm)		 2.15"
(54.61mm)		 0.77"
(19.56mm)		 107th Driest
Driest since:
 1981
22nd Wettest
Wettest since:
 1980
Dec 1986–Feb 1987
3-Month 		3.51"
(89.15mm)		 3.22"
(81.79mm)		 0.29"
(7.36mm)		 83rd Driest
Driest since:
 1981
45th Wettest
Wettest since:
 2008
Nov 1986–Feb 1987
4-Month 		5.29"
(134.37mm)		 4.29"
(108.97mm)		 1.00"
(25.40mm)		 112th Driest
Driest since:
 1904
16th Wettest
Wettest since:
 1979
Ties: 1903
Oct 1986–Feb 1987
5-Month 		7.41"
(188.21mm)		 5.63"
(143.00mm)		 1.78"
(45.21mm)		 120th Driest
Driest since:
 1977
8th Wettest
Wettest since:
 1909
Sep 1986–Feb 1987
6-Month 		9.47"
(240.54mm)		 7.05"
(179.07mm)		 2.42"
(61.47mm)		 123rd Driest
Driest since:
 1981
5th Wettest
Wettest since:
 1942
Aug 1986–Feb 1987
7-Month 		11.60"
(294.64mm)		 9.07"
(230.38mm)		 2.53"
(64.26mm)		 121st Driest
Driest since:
 1901
7th Wettest
Wettest since:
 1942
Jul 1986–Feb 1987
8-Month 		13.93"
(353.82mm)		 11.16"
(283.46mm)		 2.77"
(70.36mm)		 120th Driest
Driest since:
 1901
8th Wettest
Wettest since:
 1942
Jun 1986–Feb 1987
9-Month 		16.01"
(406.65mm)		 12.71"
(322.83mm)		 3.30"
(83.82mm)		 123rd Driest
Driest since:
 1981
5th Wettest
Wettest since:
 1942
May 1986–Feb 1987
10-Month 		17.51"
(444.75mm)		 14.73"
(374.14mm)		 2.78"
(70.61mm)		 115th Driest
Driest since:
 1901
13th Wettest
Wettest since:
 1942
Apr 1986–Feb 1987
11-Month 		19.85"
(504.19mm)		 16.61"
(421.89mm)		 3.24"
(82.30mm)		 117th Driest
Driest since:
 2021
11th Wettest
Wettest since:
 1942
Mar 1986–Feb 1987
12-Month 		20.87"
(530.10mm)		 18.11"
(459.99mm)		 2.76"
(70.11mm)		 114th Driest
Driest since:
 1935
14th Wettest
Wettest since:
 1942
Sep 1985–Feb 1987
18-Month 		30.04"
(763.02mm)		 25.17"
(639.32mm)		 4.87"
(123.70mm)		 121st Driest
Driest since:
 2003
6th Wettest
Wettest since:
 1942
Mar 1985–Feb 1987
24-Month 		41.45"
(1,052.83mm)		 36.16"
(918.46mm)		 5.29"
(134.37mm)		 120th Driest
Driest since:
 2003
7th Wettest
Wettest since:
 1943
Mar 1984–Feb 1987
36-Month 		62.29"
(1,582.17mm)		 54.20"
(1,376.68mm)		 8.09"
(205.49mm)		 122nd Driest
Driest since:
 1977
4th Wettest
Wettest since:
 1998
Ties: 1944
Mar 1983–Feb 1987
48-Month 		84.12"
(2,136.65mm)		 72.23"
(1,834.64mm)		 11.89"
(302.01mm)		 124th Driest
Driest since:
 1935
1st Wettest
Wettest to Date
 1987
Mar 1982–Feb 1987
60-Month 		103.51"
(2,629.15mm)		 90.24"
(2,292.10mm)		 13.27"
(337.05mm)		 123rd Driest
Driest since:
 1957
1st Wettest
Wettest to Date
 1987

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