Statewide Rankings

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Month:

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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 2021

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 2021 1-Month	0.74" (18.80mm)	1.06" (26.92mm)	-0.32" (-8.12mm)	38th Driest	Driest since: 2020	1919, 1931
January 2021 1-Month	0.74" (18.80mm)	1.06" (26.92mm)	-0.32" (-8.12mm)	91st Wettest	Wettest since: 2019	1916
Dec 2020–Jan 2021 2-Month	1.70" (43.18mm)	2.13" (54.10mm)	-0.43" (-10.92mm)	34th Driest	Driest since: 2018	1931
	1.70" (43.18mm)	2.13" (54.10mm)	-0.43" (-10.92mm)	94th Wettest	Wettest since: 2020	1914
	Ties: 1987, 1999
Nov 2020–Jan 2021 3-Month	2.55" (64.77mm)	3.20" (81.28mm)	-0.65" (-16.51mm)	27th Driest	Driest since: 2018	1904
	2.55" (64.77mm)	3.20" (81.28mm)	-0.65" (-16.51mm)	101st Wettest	Wettest since: 2020	1979
	Ties: 1912, 1928
Oct 2020–Jan 2021 4-Month	3.17" (80.52mm)	4.54" (115.32mm)	-1.37" (-34.80mm)	15th Driest	Driest since: 2018	1977
Oct 2020–Jan 2021 4-Month	3.17" (80.52mm)	4.54" (115.32mm)	-1.37" (-34.80mm)	113th Wettest	Wettest since: 2020	1909
Sep 2020–Jan 2021 5-Month	4.14" (105.16mm)	5.96" (151.38mm)	-1.82" (-46.22mm)	8th Driest	Driest since: 1981	1904
Sep 2020–Jan 2021 5-Month	4.14" (105.16mm)	5.96" (151.38mm)	-1.82" (-46.22mm)	120th Wettest	Wettest since: 2020	1942
Aug 2020–Jan 2021 6-Month	4.94" (125.48mm)	7.98" (202.69mm)	-3.04" (-77.21mm)	4th Driest	Driest since: 1981	1901
Aug 2020–Jan 2021 6-Month	4.94" (125.48mm)	7.98" (202.69mm)	-3.04" (-77.21mm)	124th Wettest	Wettest since: 2020	1942
Jul 2020–Jan 2021 7-Month	6.79" (172.47mm)	10.07" (255.78mm)	-3.28" (-83.31mm)	4th Driest	Driest since: 1981	1901
Jul 2020–Jan 2021 7-Month	6.79" (172.47mm)	10.07" (255.78mm)	-3.28" (-83.31mm)	124th Wettest	Wettest since: 2020	2007
Jun 2020–Jan 2021 8-Month	7.94" (201.68mm)	11.62" (295.15mm)	-3.68" (-93.47mm)	4th Driest	Driest since: 1981	1901, 1981
Jun 2020–Jan 2021 8-Month	7.94" (201.68mm)	11.62" (295.15mm)	-3.68" (-93.47mm)	124th Wettest	Wettest since: 2020	1942
May 2020–Jan 2021 9-Month	9.01" (228.85mm)	13.64" (346.46mm)	-4.63" (-117.61mm)	3rd Driest	Driest since: 1940	1901
May 2020–Jan 2021 9-Month	9.01" (228.85mm)	13.64" (346.46mm)	-4.63" (-117.61mm)	125th Wettest	Wettest since: 2020	1942
Apr 2020–Jan 2021 10-Month	9.81" (249.17mm)	15.52" (394.21mm)	-5.71" (-145.04mm)	2nd Driest	Driest since: 1940	1940
Apr 2020–Jan 2021 10-Month	9.81" (249.17mm)	15.52" (394.21mm)	-5.71" (-145.04mm)	126th Wettest	Wettest since: 2020	1942
Mar 2020–Jan 2021 11-Month	11.16" (283.46mm)	17.02" (432.31mm)	-5.86" (-148.85mm)	1st Driest	Driest since: 2021	2021
Mar 2020–Jan 2021 11-Month	11.16" (283.46mm)	17.02" (432.31mm)	-5.86" (-148.85mm)	127th Wettest	Wettest since: 2020	1942
Feb 2020–Jan 2021 12-Month	12.25" (311.15mm)	18.10" (459.74mm)	-5.85" (-148.59mm)	2nd Driest	Driest since: 2003	2003
Feb 2020–Jan 2021 12-Month	12.25" (311.15mm)	18.10" (459.74mm)	-5.85" (-148.59mm)	126th Wettest	Wettest since: 2020	1942
Aug 2019–Jan 2021 18-Month	18.50" (469.90mm)	26.08" (662.43mm)	-7.58" (-192.53mm)	2nd Driest	Driest since: 2003	2003
Aug 2019–Jan 2021 18-Month	18.50" (469.90mm)	26.08" (662.43mm)	-7.58" (-192.53mm)	125th Wettest	Wettest since: 2020	1942
Feb 2019–Jan 2021 24-Month	30.50" (774.70mm)	36.16" (918.46mm)	-5.66" (-143.76mm)	11th Driest	Driest since: 2013	2003
Feb 2019–Jan 2021 24-Month	30.50" (774.70mm)	36.16" (918.46mm)	-5.66" (-143.76mm)	116th Wettest	Wettest since: 2020	1943
Feb 2018–Jan 2021 36-Month	46.03" (1,169.16mm)	54.20" (1,376.68mm)	-8.17" (-207.52mm)	8th Driest	Driest since: 2004	1977
Feb 2018–Jan 2021 36-Month	46.03" (1,169.16mm)	54.20" (1,376.68mm)	-8.17" (-207.52mm)	118th Wettest	Wettest since: 2020	1943
Feb 2017–Jan 2021 48-Month	63.46" (1,611.88mm)	72.24" (1,834.90mm)	-8.78" (-223.02mm)	10th Driest	Driest since: 2004	1957
Feb 2017–Jan 2021 48-Month	63.46" (1,611.88mm)	72.24" (1,834.90mm)	-8.78" (-223.02mm)	115th Wettest	Wettest since: 2020	1987
Feb 2016–Jan 2021 60-Month	81.81" (2,077.97mm)	90.25" (2,292.35mm)	-8.44" (-214.38mm)	17th Driest	Driest since: 2005	1957
Feb 2016–Jan 2021 60-Month	81.81" (2,077.97mm)	90.25" (2,292.35mm)	-8.44" (-214.38mm)	107th Wettest	Wettest since: 2020	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