Statewide Rankings

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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 1971

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
February 1971 1-Month	1.20" (30.48mm)	1.09" (27.69mm)	0.11" (2.79mm)	84th Driest	Driest since: 1970	1970
February 1971 1-Month	1.20" (30.48mm)	1.09" (27.69mm)	0.11" (2.79mm)	46th Wettest	Wettest since: 1968	1903
Jan–Feb 1971 2-Month	2.07" (52.58mm)	2.15" (54.61mm)	-0.08" (-2.03mm)	63rd Driest	Driest since: 1970	1981
	2.07" (52.58mm)	2.15" (54.61mm)	-0.08" (-2.03mm)	67th Wettest	Wettest since: 1969	1980
	Ties: 1958
Dec 1970–Feb 1971 3-Month	2.76" (70.10mm)	3.22" (81.79mm)	-0.46" (-11.69mm)	36th Driest	Driest since: 1970	1981
	2.76" (70.10mm)	3.22" (81.79mm)	-0.46" (-11.69mm)	93rd Wettest	Wettest since: 1969	2008
	Ties: 1958
Nov 1970–Feb 1971 4-Month	4.05" (102.87mm)	4.29" (108.97mm)	-0.24" (-6.10mm)	56th Driest	Driest since: 1970	1904
	4.05" (102.87mm)	4.29" (108.97mm)	-0.24" (-6.10mm)	73rd Wettest	Wettest since: 1969	1979
	Ties: 1959
Oct 1970–Feb 1971 5-Month	5.92" (150.37mm)	5.63" (143.00mm)	0.29" (7.37mm)	76th Driest	Driest since: 1969	1977
	5.92" (150.37mm)	5.63" (143.00mm)	0.29" (7.37mm)	53rd Wettest	Wettest since: 1970	1909
	Ties: 1919, 1922
Sep 1970–Feb 1971 6-Month	8.21" (208.53mm)	7.05" (179.07mm)	1.16" (29.46mm)	105th Driest	Driest since: 1970	1981
Sep 1970–Feb 1971 6-Month	8.21" (208.53mm)	7.05" (179.07mm)	1.16" (29.46mm)	24th Wettest	Wettest since: 1962	1942
Aug 1970–Feb 1971 7-Month	10.00" (254.00mm)	9.07" (230.38mm)	0.93" (23.62mm)	92nd Driest	Driest since: 1969	1901
	10.00" (254.00mm)	9.07" (230.38mm)	0.93" (23.62mm)	37th Wettest	Wettest since: 1970	1942
	Ties: 1926
Jul 1970–Feb 1971 8-Month	11.99" (304.55mm)	11.16" (283.46mm)	0.83" (21.09mm)	83rd Driest	Driest since: 1969	1901
	11.99" (304.55mm)	11.16" (283.46mm)	0.83" (21.09mm)	46th Wettest	Wettest since: 1970	1942
	Ties: 1898
Jun 1970–Feb 1971 9-Month	13.88" (352.55mm)	12.71" (322.83mm)	1.17" (29.72mm)	91st Driest	Driest since: 1969	1981
Jun 1970–Feb 1971 9-Month	13.88" (352.55mm)	12.71" (322.83mm)	1.17" (29.72mm)	38th Wettest	Wettest since: 1970	1942
May 1970–Feb 1971 10-Month	14.72" (373.89mm)	14.73" (374.14mm)	-0.01" (-0.25mm)	66th Driest	Driest since: 1969	1901
May 1970–Feb 1971 10-Month	14.72" (373.89mm)	14.73" (374.14mm)	-0.01" (-0.25mm)	63rd Wettest	Wettest since: 1970	1942
Apr 1970–Feb 1971 11-Month	16.30" (414.02mm)	16.61" (421.89mm)	-0.31" (-7.87mm)	55th Driest	Driest since: 1969	2021
Apr 1970–Feb 1971 11-Month	16.30" (414.02mm)	16.61" (421.89mm)	-0.31" (-7.87mm)	74th Wettest	Wettest since: 1970	1942
Mar 1970–Feb 1971 12-Month	18.33" (465.58mm)	18.11" (459.99mm)	0.22" (5.59mm)	71st Driest	Driest since: 1969	1935
Mar 1970–Feb 1971 12-Month	18.33" (465.58mm)	18.11" (459.99mm)	0.22" (5.59mm)	58th Wettest	Wettest since: 1970	1942
Sep 1969–Feb 1971 18-Month	26.53" (673.86mm)	25.17" (639.32mm)	1.36" (34.54mm)	91st Driest	Driest since: 1970	2003
Sep 1969–Feb 1971 18-Month	26.53" (673.86mm)	25.17" (639.32mm)	1.36" (34.54mm)	37th Wettest	Wettest since: 1966	1942
Mar 1969–Feb 1971 24-Month	38.52" (978.41mm)	36.16" (918.46mm)	2.36" (59.95mm)	96th Driest	Driest since: 1970	2003
Mar 1969–Feb 1971 24-Month	38.52" (978.41mm)	36.16" (918.46mm)	2.36" (59.95mm)	32nd Wettest	Wettest since: 1959	1943
Mar 1968–Feb 1971 36-Month	54.81" (1,392.17mm)	54.20" (1,376.68mm)	0.61" (15.49mm)	68th Driest	Driest since: 1969	1977
Mar 1968–Feb 1971 36-Month	54.81" (1,392.17mm)	54.20" (1,376.68mm)	0.61" (15.49mm)	59th Wettest	Wettest since: 1970	1998
Mar 1967–Feb 1971 48-Month	73.76" (1,873.50mm)	72.23" (1,834.64mm)	1.53" (38.86mm)	81st Driest	Driest since: 1970	1935
Mar 1967–Feb 1971 48-Month	73.76" (1,873.50mm)	72.23" (1,834.64mm)	1.53" (38.86mm)	45th Wettest	Wettest since: 1961	1987
Mar 1966–Feb 1971 60-Month	88.46" (2,246.88mm)	90.24" (2,292.10mm)	-1.78" (-45.22mm)	50th Driest	Driest since: 1969	1957
Mar 1966–Feb 1971 60-Month	88.46" (2,246.88mm)	90.24" (2,292.10mm)	-1.78" (-45.22mm)	75th Wettest	Wettest since: 1970	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings