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, January 1931

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1931 1-Month	0.17" (4.32mm)	1.06" (26.92mm)	-0.89" (-22.60mm)	1st Driest	Driest since: 1919	1919, 1931
	0.17" (4.32mm)	1.06" (26.92mm)	-0.89" (-22.60mm)	128th Wettest	Wettest since: 1930	1916
	Ties: 1919
Dec 1930–Jan 1931 2-Month	0.50" (12.70mm)	2.13" (54.10mm)	-1.63" (-41.40mm)	1st Driest	Driest since: 1931	1931
Dec 1930–Jan 1931 2-Month	0.50" (12.70mm)	2.13" (54.10mm)	-1.63" (-41.40mm)	127th Wettest	Wettest since: 1930	1914
Nov 1930–Jan 1931 3-Month	2.12" (53.85mm)	3.20" (81.28mm)	-1.08" (-27.43mm)	12th Driest	Driest since: 1915	1904
	2.12" (53.85mm)	3.20" (81.28mm)	-1.08" (-27.43mm)	116th Wettest	Wettest since: 1930	1979
	Ties: 1902, 1933
Oct 1930–Jan 1931 4-Month	3.35" (85.09mm)	4.54" (115.32mm)	-1.19" (-30.23mm)	19th Driest	Driest since: 1928	1977
	3.35" (85.09mm)	4.54" (115.32mm)	-1.19" (-30.23mm)	109th Wettest	Wettest since: 1930	1909
	Ties: 1928, 1959
Sep 1930–Jan 1931 5-Month	4.49" (114.05mm)	5.96" (151.38mm)	-1.47" (-37.33mm)	16th Driest	Driest since: 1904	1904
Sep 1930–Jan 1931 5-Month	4.49" (114.05mm)	5.96" (151.38mm)	-1.47" (-37.33mm)	112th Wettest	Wettest since: 1930	1942
Aug 1930–Jan 1931 6-Month	7.43" (188.72mm)	7.98" (202.69mm)	-0.55" (-13.97mm)	50th Driest	Driest since: 1929	1901
Aug 1930–Jan 1931 6-Month	7.43" (188.72mm)	7.98" (202.69mm)	-0.55" (-13.97mm)	78th Wettest	Wettest since: 1930	1942
Jul 1930–Jan 1931 7-Month	10.57" (268.48mm)	10.07" (255.78mm)	0.50" (12.70mm)	80th Driest	Driest since: 1929	1901
Jul 1930–Jan 1931 7-Month	10.57" (268.48mm)	10.07" (255.78mm)	0.50" (12.70mm)	48th Wettest	Wettest since: 1930	2007
Jun 1930–Jan 1931 8-Month	11.40" (289.56mm)	11.62" (295.15mm)	-0.22" (-5.59mm)	57th Driest	Driest since: 1927	1901, 1981
Jun 1930–Jan 1931 8-Month	11.40" (289.56mm)	11.62" (295.15mm)	-0.22" (-5.59mm)	71st Wettest	Wettest since: 1930	1942
May 1930–Jan 1931 9-Month	13.98" (355.09mm)	13.64" (346.46mm)	0.34" (8.63mm)	73rd Driest	Driest since: 1927	1901
May 1930–Jan 1931 9-Month	13.98" (355.09mm)	13.64" (346.46mm)	0.34" (8.63mm)	55th Wettest	Wettest since: 1930	1942
Apr 1930–Jan 1931 10-Month	15.18" (385.57mm)	15.52" (394.21mm)	-0.34" (-8.64mm)	55th Driest	Driest since: 1927	1940
Apr 1930–Jan 1931 10-Month	15.18" (385.57mm)	15.52" (394.21mm)	-0.34" (-8.64mm)	73rd Wettest	Wettest since: 1930	1942
Mar 1930–Jan 1931 11-Month	16.12" (409.45mm)	17.02" (432.31mm)	-0.90" (-22.86mm)	49th Driest	Driest since: 1925	2021
Mar 1930–Jan 1931 11-Month	16.12" (409.45mm)	17.02" (432.31mm)	-0.90" (-22.86mm)	79th Wettest	Wettest since: 1930	1942
Feb 1930–Jan 1931 12-Month	16.81" (426.97mm)	18.10" (459.74mm)	-1.29" (-32.77mm)	44th Driest	Driest since: 1925	2003
Feb 1930–Jan 1931 12-Month	16.81" (426.97mm)	18.10" (459.74mm)	-1.29" (-32.77mm)	84th Wettest	Wettest since: 1930	1942
Aug 1929–Jan 1931 18-Month	26.46" (672.08mm)	26.08" (662.43mm)	0.38" (9.65mm)	72nd Driest	Driest since: 1926	2003
Aug 1929–Jan 1931 18-Month	26.46" (672.08mm)	26.08" (662.43mm)	0.38" (9.65mm)	55th Wettest	Wettest since: 1930	1942
Feb 1929–Jan 1931 24-Month	36.13" (917.70mm)	36.16" (918.46mm)	-0.03" (-0.76mm)	63rd Driest	Driest since: 1927	2003
Feb 1929–Jan 1931 24-Month	36.13" (917.70mm)	36.16" (918.46mm)	-0.03" (-0.76mm)	64th Wettest	Wettest since: 1930	1943
Feb 1928–Jan 1931 36-Month	54.93" (1,395.22mm)	54.20" (1,376.68mm)	0.73" (18.54mm)	73rd Driest	Driest since: 1927	1977
Feb 1928–Jan 1931 36-Month	54.93" (1,395.22mm)	54.20" (1,376.68mm)	0.73" (18.54mm)	53rd Wettest	Wettest since: 1930	1943
Feb 1927–Jan 1931 48-Month	75.73" (1,923.54mm)	72.24" (1,834.90mm)	3.49" (88.64mm)	90th Driest	Driest since: 1929	1957
Feb 1927–Jan 1931 48-Month	75.73" (1,923.54mm)	72.24" (1,834.90mm)	3.49" (88.64mm)	35th Wettest	Wettest since: 1930	1987
Feb 1926–Jan 1931 60-Month	93.27" (2,369.06mm)	90.25" (2,292.35mm)	3.02" (76.71mm)	86th Driest	Driest since: 1929	1957
Feb 1926–Jan 1931 60-Month	93.27" (2,369.06mm)	90.25" (2,292.35mm)	3.02" (76.71mm)	38th Wettest	Wettest since: 1930	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings