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, June 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
June 2021 1-Month	1.19" (30.23mm)	1.54" (39.12mm)	-0.35" (-8.89mm)	51st Driest	Driest since: 2020	1924
	1.19" (30.23mm)	1.54" (39.12mm)	-0.35" (-8.89mm)	78th Wettest	Wettest since: 2019	1965
	Ties: 1981, 2014
May–Jun 2021 2-Month	4.18" (106.17mm)	3.56" (90.42mm)	0.62" (15.75mm)	97th Driest	Driest since: 2020	2012
May–Jun 2021 2-Month	4.18" (106.17mm)	3.56" (90.42mm)	0.62" (15.75mm)	32nd Wettest	Wettest since: 2019	1995
Apr–Jun 2021 3-Month	5.19" (131.83mm)	5.40" (137.16mm)	-0.21" (-5.33mm)	62nd Driest	Driest since: 2020	2002
	5.19" (131.83mm)	5.40" (137.16mm)	-0.21" (-5.33mm)	67th Wettest	Wettest since: 2019	1995
	Ties: 1897
Mar–Jun 2021 4-Month	7.26" (184.40mm)	6.91" (175.51mm)	0.35" (8.89mm)	78th Driest	Driest since: 2020	2002
Mar–Jun 2021 4-Month	7.26" (184.40mm)	6.91" (175.51mm)	0.35" (8.89mm)	51st Wettest	Wettest since: 2019	1995
Feb–Jun 2021 5-Month	8.37" (212.60mm)	8.00" (203.20mm)	0.37" (9.40mm)	85th Driest	Driest since: 2020	2002
Feb–Jun 2021 5-Month	8.37" (212.60mm)	8.00" (203.20mm)	0.37" (9.40mm)	44th Wettest	Wettest since: 2019	1995
Jan–Jun 2021 6-Month	9.11" (231.39mm)	9.06" (230.12mm)	0.05" (1.27mm)	73rd Driest	Driest since: 2020	2002
Jan–Jun 2021 6-Month	9.11" (231.39mm)	9.06" (230.12mm)	0.05" (1.27mm)	56th Wettest	Wettest since: 2019	1957
Dec 2020–Jun 2021 7-Month	10.07" (255.78mm)	10.14" (257.56mm)	-0.07" (-1.78mm)	70th Driest	Driest since: 2020	2002
Dec 2020–Jun 2021 7-Month	10.07" (255.78mm)	10.14" (257.56mm)	-0.07" (-1.78mm)	58th Wettest	Wettest since: 2019	1957
Nov 2020–Jun 2021 8-Month	10.92" (277.37mm)	11.21" (284.73mm)	-0.29" (-7.36mm)	66th Driest	Driest since: 2020	2002
Nov 2020–Jun 2021 8-Month	10.92" (277.37mm)	11.21" (284.73mm)	-0.29" (-7.36mm)	62nd Wettest	Wettest since: 2019	1995
Oct 2020–Jun 2021 9-Month	11.54" (293.12mm)	12.54" (318.52mm)	-1.00" (-25.40mm)	50th Driest	Driest since: 2020	2002
Oct 2020–Jun 2021 9-Month	11.54" (293.12mm)	12.54" (318.52mm)	-1.00" (-25.40mm)	78th Wettest	Wettest since: 2019	1995
Sep 2020–Jun 2021 10-Month	12.51" (317.75mm)	13.97" (354.84mm)	-1.46" (-37.09mm)	40th Driest	Driest since: 2020	2002
	12.51" (317.75mm)	13.97" (354.84mm)	-1.46" (-37.09mm)	88th Wettest	Wettest since: 2019	1995
	Ties: 1959
Aug 2020–Jun 2021 11-Month	13.31" (338.07mm)	15.98" (405.89mm)	-2.67" (-67.82mm)	22nd Driest	Driest since: 2020	2002
Aug 2020–Jun 2021 11-Month	13.31" (338.07mm)	15.98" (405.89mm)	-2.67" (-67.82mm)	106th Wettest	Wettest since: 2019	1995
Jul 2020–Jun 2021 12-Month	15.16" (385.06mm)	18.08" (459.23mm)	-2.92" (-74.17mm)	22nd Driest	Driest since: 2020	2002
Jul 2020–Jun 2021 12-Month	15.16" (385.06mm)	18.08" (459.23mm)	-2.92" (-74.17mm)	106th Wettest	Wettest since: 2019	1942
Jan 2020–Jun 2021 18-Month	21.34" (542.04mm)	27.16" (689.86mm)	-5.82" (-147.82mm)	3rd Driest	Driest since: 2013	2013
Jan 2020–Jun 2021 18-Month	21.34" (542.04mm)	27.16" (689.86mm)	-5.82" (-147.82mm)	125th Wettest	Wettest since: 2020	1942
Jul 2019–Jun 2021 24-Month	28.45" (722.63mm)	36.18" (918.97mm)	-7.73" (-196.34mm)	4th Driest	Driest since: 2013	1902
Jul 2019–Jun 2021 24-Month	28.45" (722.63mm)	36.18" (918.97mm)	-7.73" (-196.34mm)	123rd Wettest	Wettest since: 2020	1942
Jul 2018–Jun 2021 36-Month	48.48" (1,231.39mm)	54.21" (1,376.93mm)	-5.73" (-145.54mm)	20th Driest	Driest since: 2014	2022
Jul 2018–Jun 2021 36-Month	48.48" (1,231.39mm)	54.21" (1,376.93mm)	-5.73" (-145.54mm)	106th Wettest	Wettest since: 2020	1943
Jul 2017–Jun 2021 48-Month	63.96" (1,624.58mm)	72.23" (1,834.64mm)	-8.27" (-210.06mm)	10th Driest	Driest since: 2013	1956
Jul 2017–Jun 2021 48-Month	63.96" (1,624.58mm)	72.23" (1,834.64mm)	-8.27" (-210.06mm)	115th Wettest	Wettest since: 2020	1944
Jul 2016–Jun 2021 60-Month	81.89" (2,080.01mm)	90.25" (2,292.35mm)	-8.36" (-212.34mm)	15th Driest	Driest since: 2006	1954
Jul 2016–Jun 2021 60-Month	81.89" (2,080.01mm)	90.25" (2,292.35mm)	-8.36" (-212.34mm)	109th Wettest	Wettest since: 2020	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings