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 1985

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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 1985 1-Month	1.00" (25.40mm)	1.06" (26.92mm)	-0.06" (-1.52mm)	72nd Driest	Driest since: 1984	1919, 1931
	1.00" (25.40mm)	1.06" (26.92mm)	-0.06" (-1.52mm)	58th Wettest	Wettest since: 1982	1916
	Ties: 1907, 2007
Dec 1984–Jan 1985 2-Month	2.41" (61.21mm)	2.13" (54.10mm)	0.28" (7.11mm)	88th Driest	Driest since: 1983	1931
Dec 1984–Jan 1985 2-Month	2.41" (61.21mm)	2.13" (54.10mm)	0.28" (7.11mm)	41st Wettest	Wettest since: 1984	1914
Nov 1984–Jan 1985 3-Month	3.07" (77.98mm)	3.20" (81.28mm)	-0.13" (-3.30mm)	60th Driest	Driest since: 1983	1904
Nov 1984–Jan 1985 3-Month	3.07" (77.98mm)	3.20" (81.28mm)	-0.13" (-3.30mm)	69th Wettest	Wettest since: 1984	1979
Oct 1984–Jan 1985 4-Month	6.16" (156.46mm)	4.54" (115.32mm)	1.62" (41.14mm)	121st Driest	Driest since: 1983	1977
	6.16" (156.46mm)	4.54" (115.32mm)	1.62" (41.14mm)	8th Wettest	Wettest since: 1984	1909
	Ties: 1942
Sep 1984–Jan 1985 5-Month	7.24" (183.90mm)	5.96" (151.38mm)	1.28" (32.52mm)	106th Driest	Driest since: 1984	1904
Sep 1984–Jan 1985 5-Month	7.24" (183.90mm)	5.96" (151.38mm)	1.28" (32.52mm)	23rd Wettest	Wettest since: 1979	1942
Aug 1984–Jan 1985 6-Month	9.98" (253.49mm)	7.98" (202.69mm)	2.00" (50.80mm)	117th Driest	Driest since: 1984	1901
Aug 1984–Jan 1985 6-Month	9.98" (253.49mm)	7.98" (202.69mm)	2.00" (50.80mm)	12th Wettest	Wettest since: 1973	1942
Jul 1984–Jan 1985 7-Month	12.26" (311.40mm)	10.08" (256.03mm)	2.18" (55.37mm)	117th Driest	Driest since: 1984	1901
Jul 1984–Jan 1985 7-Month	12.26" (311.40mm)	10.08" (256.03mm)	2.18" (55.37mm)	12th Wettest	Wettest since: 1966	2007
Jun 1984–Jan 1985 8-Month	14.35" (364.49mm)	11.62" (295.15mm)	2.73" (69.34mm)	121st Driest	Driest since: 1984	1901, 1981
Jun 1984–Jan 1985 8-Month	14.35" (364.49mm)	11.62" (295.15mm)	2.73" (69.34mm)	8th Wettest	Wettest since: 1970	1942
May 1984–Jan 1985 9-Month	15.57" (395.48mm)	13.64" (346.46mm)	1.93" (49.02mm)	106th Driest	Driest since: 1981	1901
May 1984–Jan 1985 9-Month	15.57" (395.48mm)	13.64" (346.46mm)	1.93" (49.02mm)	23rd Wettest	Wettest since: 1984	1942
Apr 1984–Jan 1985 10-Month	18.01" (457.45mm)	15.52" (394.21mm)	2.49" (63.24mm)	112th Driest	Driest since: 1983	1940
Apr 1984–Jan 1985 10-Month	18.01" (457.45mm)	15.52" (394.21mm)	2.49" (63.24mm)	17th Wettest	Wettest since: 1984	1942
Mar 1984–Jan 1985 11-Month	20.03" (508.76mm)	17.02" (432.31mm)	3.01" (76.45mm)	117th Driest	Driest since: 1983	2021
Mar 1984–Jan 1985 11-Month	20.03" (508.76mm)	17.02" (432.31mm)	3.01" (76.45mm)	12th Wettest	Wettest since: 1984	1942
Feb 1984–Jan 1985 12-Month	20.93" (531.62mm)	18.10" (459.74mm)	2.83" (71.88mm)	115th Driest	Driest since: 1983	2003
Feb 1984–Jan 1985 12-Month	20.93" (531.62mm)	18.10" (459.74mm)	2.83" (71.88mm)	14th Wettest	Wettest since: 1984	1942
Aug 1983–Jan 1985 18-Month	29.94" (760.48mm)	26.08" (662.43mm)	3.86" (98.05mm)	114th Driest	Driest since: 1983	2003
Aug 1983–Jan 1985 18-Month	29.94" (760.48mm)	26.08" (662.43mm)	3.86" (98.05mm)	14th Wettest	Wettest since: 1984	1942
Feb 1983–Jan 1985 24-Month	42.90" (1,089.66mm)	36.16" (918.46mm)	6.74" (171.20mm)	124th Driest	Driest since: 1984	2003
Feb 1983–Jan 1985 24-Month	42.90" (1,089.66mm)	36.16" (918.46mm)	6.74" (171.20mm)	4th Wettest	Wettest since: 1943	1943
Feb 1982–Jan 1985 36-Month	61.99" (1,574.55mm)	54.20" (1,376.68mm)	7.79" (197.87mm)	122nd Driest	Driest since: 1984	1977
Feb 1982–Jan 1985 36-Month	61.99" (1,574.55mm)	54.20" (1,376.68mm)	7.79" (197.87mm)	5th Wettest	Wettest since: 1944	1943
Feb 1981–Jan 1985 48-Month	81.74" (2,076.20mm)	72.24" (1,834.90mm)	9.50" (241.30mm)	122nd Driest	Driest since: 1984	1957
Feb 1981–Jan 1985 48-Month	81.74" (2,076.20mm)	72.24" (1,834.90mm)	9.50" (241.30mm)	4th Wettest	Wettest to Date	1987
Feb 1980–Jan 1985 60-Month	97.59" (2,478.79mm)	90.25" (2,292.35mm)	7.34" (186.44mm)	109th Driest	Driest since: 1984	1957
Feb 1980–Jan 1985 60-Month	97.59" (2,478.79mm)	90.25" (2,292.35mm)	7.34" (186.44mm)	16th Wettest	Wettest since: 1946	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings