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 1981

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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
January 1981 1-Month	0.36" (9.14mm)	1.06" (26.92mm)	-0.70" (-17.78mm)	7th Driest	Driest since: 1961	1919, 1931
	0.36" (9.14mm)	1.06" (26.92mm)	-0.70" (-17.78mm)	123rd Wettest	Wettest since: 1980	1916
	Ties: 1934
Dec 1980–Jan 1981 2-Month	0.76" (19.30mm)	2.13" (54.10mm)	-1.37" (-34.80mm)	2nd Driest	Driest since: 1931	1931
	0.76" (19.30mm)	2.13" (54.10mm)	-1.37" (-34.80mm)	127th Wettest	Wettest since: 1980	1914
	Ties: 1904
Nov 1980–Jan 1981 3-Month	1.44" (36.58mm)	3.20" (81.28mm)	-1.76" (-44.70mm)	3rd Driest	Driest since: 1977	1904
Nov 1980–Jan 1981 3-Month	1.44" (36.58mm)	3.20" (81.28mm)	-1.76" (-44.70mm)	126th Wettest	Wettest since: 1980	1979
Oct 1980–Jan 1981 4-Month	2.33" (59.18mm)	4.54" (115.32mm)	-2.21" (-56.14mm)	3rd Driest	Driest since: 1977	1977
Oct 1980–Jan 1981 4-Month	2.33" (59.18mm)	4.54" (115.32mm)	-2.21" (-56.14mm)	126th Wettest	Wettest since: 1980	1909
Sep 1980–Jan 1981 5-Month	3.42" (86.87mm)	5.96" (151.38mm)	-2.54" (-64.51mm)	3rd Driest	Driest since: 1904	1904
Sep 1980–Jan 1981 5-Month	3.42" (86.87mm)	5.96" (151.38mm)	-2.54" (-64.51mm)	126th Wettest	Wettest since: 1980	1942
Aug 1980–Jan 1981 6-Month	4.93" (125.22mm)	7.98" (202.69mm)	-3.05" (-77.47mm)	3rd Driest	Driest since: 1904	1901
Aug 1980–Jan 1981 6-Month	4.93" (125.22mm)	7.98" (202.69mm)	-3.05" (-77.47mm)	126th Wettest	Wettest since: 1980	1942
Jul 1980–Jan 1981 7-Month	6.33" (160.78mm)	10.08" (256.03mm)	-3.75" (-95.25mm)	2nd Driest	Driest since: 1901	1901
Jul 1980–Jan 1981 7-Month	6.33" (160.78mm)	10.08" (256.03mm)	-3.75" (-95.25mm)	127th Wettest	Wettest since: 1980	2007
Jun 1980–Jan 1981 8-Month	6.85" (173.99mm)	11.62" (295.15mm)	-4.77" (-121.16mm)	1st Driest	Driest since: 1901	1901, 1981
	6.85" (173.99mm)	11.62" (295.15mm)	-4.77" (-121.16mm)	128th Wettest	Wettest since: 1980	1942
	Ties: 1901
May 1980–Jan 1981 9-Month	9.74" (247.40mm)	13.64" (346.46mm)	-3.90" (-99.06mm)	7th Driest	Driest since: 1940	1901
May 1980–Jan 1981 9-Month	9.74" (247.40mm)	13.64" (346.46mm)	-3.90" (-99.06mm)	122nd Wettest	Wettest since: 1980	1942
Apr 1980–Jan 1981 10-Month	12.10" (307.34mm)	15.52" (394.21mm)	-3.42" (-86.87mm)	9th Driest	Driest since: 1975	1940
Apr 1980–Jan 1981 10-Month	12.10" (307.34mm)	15.52" (394.21mm)	-3.42" (-86.87mm)	120th Wettest	Wettest since: 1980	1942
Mar 1980–Jan 1981 11-Month	14.11" (358.39mm)	17.02" (432.31mm)	-2.91" (-73.92mm)	18th Driest	Driest since: 1977	2021
Mar 1980–Jan 1981 11-Month	14.11" (358.39mm)	17.02" (432.31mm)	-2.91" (-73.92mm)	111th Wettest	Wettest since: 1980	1942
Feb 1980–Jan 1981 12-Month	15.85" (402.59mm)	18.10" (459.74mm)	-2.25" (-57.15mm)	24th Driest	Driest since: 1977	2003
Feb 1980–Jan 1981 12-Month	15.85" (402.59mm)	18.10" (459.74mm)	-2.25" (-57.15mm)	105th Wettest	Wettest since: 1980	1942
Aug 1979–Jan 1981 18-Month	24.60" (624.84mm)	26.08" (662.43mm)	-1.48" (-37.59mm)	45th Driest	Driest since: 1978	2003
Aug 1979–Jan 1981 18-Month	24.60" (624.84mm)	26.08" (662.43mm)	-1.48" (-37.59mm)	83rd Wettest	Wettest since: 1980	1942
Feb 1979–Jan 1981 24-Month	35.55" (902.97mm)	36.16" (918.46mm)	-0.61" (-15.49mm)	58th Driest	Driest since: 1979	2003
Feb 1979–Jan 1981 24-Month	35.55" (902.97mm)	36.16" (918.46mm)	-0.61" (-15.49mm)	70th Wettest	Wettest since: 1980	1943
Feb 1978–Jan 1981 36-Month	53.85" (1,367.79mm)	54.20" (1,376.68mm)	-0.35" (-8.89mm)	58th Driest	Driest since: 1979	1977
Feb 1978–Jan 1981 36-Month	53.85" (1,367.79mm)	54.20" (1,376.68mm)	-0.35" (-8.89mm)	69th Wettest	Wettest since: 1980	1943
Feb 1977–Jan 1981 48-Month	70.57" (1,792.48mm)	72.24" (1,834.90mm)	-1.67" (-42.42mm)	46th Driest	Driest since: 1980	1957
Feb 1977–Jan 1981 48-Month	70.57" (1,792.48mm)	72.24" (1,834.90mm)	-1.67" (-42.42mm)	80th Wettest	Wettest since: 1974	1987
Feb 1976–Jan 1981 60-Month	85.11" (2,161.79mm)	90.25" (2,292.35mm)	-5.14" (-130.56mm)	30th Driest	Driest since: 1979	1957
Feb 1976–Jan 1981 60-Month	85.11" (2,161.79mm)	90.25" (2,292.35mm)	-5.14" (-130.56mm)	95th Wettest	Wettest since: 1980	2000

Citing This Page

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