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, May 2022

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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
May 2022 1-Month	1.60" (40.64mm)	2.02" (51.31mm)	-0.42" (-10.67mm)	43rd Driest	Driest since: 2020	1974
	1.60" (40.64mm)	2.02" (51.31mm)	-0.42" (-10.67mm)	86th Wettest	Wettest since: 2021	2015
	Ties: 1910
Apr–May 2022 2-Month	2.32" (58.93mm)	3.86" (98.04mm)	-1.54" (-39.11mm)	16th Driest	Driest since: 2020	2002
Apr–May 2022 2-Month	2.32" (58.93mm)	3.86" (98.04mm)	-1.54" (-39.11mm)	113th Wettest	Wettest since: 2021	1957
Mar–May 2022 3-Month	3.76" (95.50mm)	5.37" (136.40mm)	-1.61" (-40.90mm)	21st Driest	Driest since: 2020	2002
Mar–May 2022 3-Month	3.76" (95.50mm)	5.37" (136.40mm)	-1.61" (-40.90mm)	108th Wettest	Wettest since: 2021	1957
Feb–May 2022 4-Month	4.70" (119.38mm)	6.46" (164.08mm)	-1.76" (-44.70mm)	17th Driest	Driest since: 2020	2002
Feb–May 2022 4-Month	4.70" (119.38mm)	6.46" (164.08mm)	-1.76" (-44.70mm)	112th Wettest	Wettest since: 2021	1905
Jan–May 2022 5-Month	5.48" (139.19mm)	7.52" (191.01mm)	-2.04" (-51.82mm)	13th Driest	Driest since: 2020	2002
Jan–May 2022 5-Month	5.48" (139.19mm)	7.52" (191.01mm)	-2.04" (-51.82mm)	116th Wettest	Wettest since: 2021	1957
Dec 2021–May 2022 6-Month	7.20" (182.88mm)	8.60" (218.44mm)	-1.40" (-35.56mm)	25th Driest	Driest since: 2020	2002
	7.20" (182.88mm)	8.60" (218.44mm)	-1.40" (-35.56mm)	103rd Wettest	Wettest since: 2021	1957
	Ties: 1976
Nov 2021–May 2022 7-Month	7.57" (192.28mm)	9.66" (245.36mm)	-2.09" (-53.08mm)	18th Driest	Driest since: 2020	2002
Nov 2021–May 2022 7-Month	7.57" (192.28mm)	9.66" (245.36mm)	-2.09" (-53.08mm)	110th Wettest	Wettest since: 2021	1957
Oct 2021–May 2022 8-Month	8.69" (220.73mm)	11.00" (279.40mm)	-2.31" (-58.67mm)	18th Driest	Driest since: 2020	2002
Oct 2021–May 2022 8-Month	8.69" (220.73mm)	11.00" (279.40mm)	-2.31" (-58.67mm)	110th Wettest	Wettest since: 2021	1995
Sep 2021–May 2022 9-Month	9.92" (251.97mm)	12.43" (315.72mm)	-2.51" (-63.75mm)	15th Driest	Driest since: 2020	2002
Sep 2021–May 2022 9-Month	9.92" (251.97mm)	12.43" (315.72mm)	-2.51" (-63.75mm)	113th Wettest	Wettest since: 2021	1942
Aug 2021–May 2022 10-Month	11.32" (287.53mm)	14.44" (366.78mm)	-3.12" (-79.25mm)	13th Driest	Driest since: 2020	2002
Aug 2021–May 2022 10-Month	11.32" (287.53mm)	14.44" (366.78mm)	-3.12" (-79.25mm)	115th Wettest	Wettest since: 2021	1942
Jul 2021–May 2022 11-Month	13.47" (342.14mm)	16.54" (420.12mm)	-3.07" (-77.98mm)	14th Driest	Driest since: 2020	2002
Jul 2021–May 2022 11-Month	13.47" (342.14mm)	16.54" (420.12mm)	-3.07" (-77.98mm)	114th Wettest	Wettest since: 2021	1942
Jun 2021–May 2022 12-Month	14.66" (372.36mm)	18.08" (459.23mm)	-3.42" (-86.87mm)	15th Driest	Driest since: 2020	2002
Jun 2021–May 2022 12-Month	14.66" (372.36mm)	18.08" (459.23mm)	-3.42" (-86.87mm)	113th Wettest	Wettest since: 2021	1942
Dec 2020–May 2022 18-Month	23.54" (597.92mm)	26.70" (678.18mm)	-3.16" (-80.26mm)	21st Driest	Driest since: 2021	2013
Dec 2020–May 2022 18-Month	23.54" (597.92mm)	26.70" (678.18mm)	-3.16" (-80.26mm)	106th Wettest	Wettest since: 2020	1942
Jun 2020–May 2022 24-Month	29.78" (756.41mm)	36.18" (918.97mm)	-6.40" (-162.56mm)	8th Driest	Driest since: 2021	1902
Jun 2020–May 2022 24-Month	29.78" (756.41mm)	36.18" (918.97mm)	-6.40" (-162.56mm)	119th Wettest	Wettest since: 2020	1942
Jun 2019–May 2022 36-Month	43.70" (1,109.98mm)	54.21" (1,376.93mm)	-10.51" (-266.95mm)	1st Driest	Driest since: 2022	2022
Jun 2019–May 2022 36-Month	43.70" (1,109.98mm)	54.21" (1,376.93mm)	-10.51" (-266.95mm)	125th Wettest	Wettest since: 2021	1943
Jun 2018–May 2022 48-Month	62.93" (1,598.42mm)	72.23" (1,834.64mm)	-9.30" (-236.22mm)	7th Driest	Driest since: 2004	1956
Jun 2018–May 2022 48-Month	62.93" (1,598.42mm)	72.23" (1,834.64mm)	-9.30" (-236.22mm)	118th Wettest	Wettest since: 2021	1944
Jun 2017–May 2022 60-Month	78.12" (1,984.25mm)	90.24" (2,292.10mm)	-12.12" (-307.85mm)	1st Driest	Driest since: 2022	2022
Jun 2017–May 2022 60-Month	78.12" (1,984.25mm)	90.24" (2,292.10mm)	-12.12" (-307.85mm)	123rd Wettest	Wettest since: 2021	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings