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 2010

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
February 2010 1-Month	1.21" (30.73mm)	1.09" (27.69mm)	0.12" (3.04mm)	85th Driest	Driest since: 2009	1970
February 2010 1-Month	1.21" (30.73mm)	1.09" (27.69mm)	0.12" (3.04mm)	45th Wettest	Wettest since: 2008	1903
Jan–Feb 2010 2-Month	2.09" (53.09mm)	2.15" (54.61mm)	-0.06" (-1.52mm)	67th Driest	Driest since: 2009	1981
	2.09" (53.09mm)	2.15" (54.61mm)	-0.06" (-1.52mm)	63rd Wettest	Wettest since: 2008	1980
	Ties: 1896
Dec 2009–Feb 2010 3-Month	3.39" (86.11mm)	3.22" (81.79mm)	0.17" (4.32mm)	77th Driest	Driest since: 2006	1981
	3.39" (86.11mm)	3.22" (81.79mm)	0.17" (4.32mm)	52nd Wettest	Wettest since: 2009	2008
	Ties: 1982
Nov 2009–Feb 2010 4-Month	4.00" (101.60mm)	4.29" (108.97mm)	-0.29" (-7.37mm)	52nd Driest	Driest since: 2006	1904
Nov 2009–Feb 2010 4-Month	4.00" (101.60mm)	4.29" (108.97mm)	-0.29" (-7.37mm)	77th Wettest	Wettest since: 2009	1979
Oct 2009–Feb 2010 5-Month	6.10" (154.94mm)	5.63" (143.00mm)	0.47" (11.94mm)	88th Driest	Driest since: 2009	1977
	6.10" (154.94mm)	5.63" (143.00mm)	0.47" (11.94mm)	41st Wettest	Wettest since: 2008	1909
	Ties: 1982
Sep 2009–Feb 2010 6-Month	7.56" (192.02mm)	7.05" (179.07mm)	0.51" (12.95mm)	83rd Driest	Driest since: 2009	1981
Sep 2009–Feb 2010 6-Month	7.56" (192.02mm)	7.05" (179.07mm)	0.51" (12.95mm)	46th Wettest	Wettest since: 2008	1942
Aug 2009–Feb 2010 7-Month	8.74" (222.00mm)	9.07" (230.38mm)	-0.33" (-8.38mm)	53rd Driest	Driest since: 2004	1901
Aug 2009–Feb 2010 7-Month	8.74" (222.00mm)	9.07" (230.38mm)	-0.33" (-8.38mm)	76th Wettest	Wettest since: 2009	1942
Jul 2009–Feb 2010 8-Month	11.05" (280.67mm)	11.16" (283.46mm)	-0.11" (-2.79mm)	57th Driest	Driest since: 2006	1901
	11.05" (280.67mm)	11.16" (283.46mm)	-0.11" (-2.79mm)	72nd Wettest	Wettest since: 2009	1942
	Ties: 1943
Jun 2009–Feb 2010 9-Month	13.69" (347.73mm)	12.71" (322.83mm)	0.98" (24.90mm)	84th Driest	Driest since: 2009	1981
Jun 2009–Feb 2010 9-Month	13.69" (347.73mm)	12.71" (322.83mm)	0.98" (24.90mm)	45th Wettest	Wettest since: 2008	1942
May 2009–Feb 2010 10-Month	15.63" (397.00mm)	14.73" (374.14mm)	0.90" (22.86mm)	82nd Driest	Driest since: 2009	1901
May 2009–Feb 2010 10-Month	15.63" (397.00mm)	14.73" (374.14mm)	0.90" (22.86mm)	47th Wettest	Wettest since: 2008	1942
Apr 2009–Feb 2010 11-Month	17.99" (456.95mm)	16.61" (421.89mm)	1.38" (35.06mm)	98th Driest	Driest since: 2009	2021
Apr 2009–Feb 2010 11-Month	17.99" (456.95mm)	16.61" (421.89mm)	1.38" (35.06mm)	31st Wettest	Wettest since: 2008	1942
Mar 2009–Feb 2010 12-Month	19.12" (485.65mm)	18.11" (459.99mm)	1.01" (25.66mm)	87th Driest	Driest since: 2009	1935
Mar 2009–Feb 2010 12-Month	19.12" (485.65mm)	18.11" (459.99mm)	1.01" (25.66mm)	42nd Wettest	Wettest since: 2008	1942
Sep 2008–Feb 2010 18-Month	26.00" (660.40mm)	25.17" (639.32mm)	0.83" (21.08mm)	79th Driest	Driest since: 2009	2003
Sep 2008–Feb 2010 18-Month	26.00" (660.40mm)	25.17" (639.32mm)	0.83" (21.08mm)	49th Wettest	Wettest since: 2008	1942
Mar 2008–Feb 2010 24-Month	35.30" (896.62mm)	36.16" (918.46mm)	-0.86" (-21.84mm)	54th Driest	Driest since: 2004	2003
Mar 2008–Feb 2010 24-Month	35.30" (896.62mm)	36.16" (918.46mm)	-0.86" (-21.84mm)	74th Wettest	Wettest since: 2009	1943
Mar 2007–Feb 2010 36-Month	55.09" (1,399.29mm)	54.20" (1,376.68mm)	0.89" (22.61mm)	74th Driest	Driest since: 2006	1977
Mar 2007–Feb 2010 36-Month	55.09" (1,399.29mm)	54.20" (1,376.68mm)	0.89" (22.61mm)	53rd Wettest	Wettest since: 2009	1998
Mar 2006–Feb 2010 48-Month	74.29" (1,886.97mm)	72.23" (1,834.64mm)	2.06" (52.33mm)	84th Driest	Driest since: 2009	1935
Mar 2006–Feb 2010 48-Month	74.29" (1,886.97mm)	72.23" (1,834.64mm)	2.06" (52.33mm)	42nd Wettest	Wettest since: 2008	1987
Mar 2005–Feb 2010 60-Month	91.64" (2,327.66mm)	90.24" (2,292.10mm)	1.40" (35.56mm)	72nd Driest	Driest since: 2007	1957
Mar 2005–Feb 2010 60-Month	91.64" (2,327.66mm)	90.24" (2,292.10mm)	1.40" (35.56mm)	53rd Wettest	Wettest since: 2009	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings