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, August 1971

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1971 1-Month	1.63" (41.40mm)	2.03" (51.56mm)	-0.40" (-10.16mm)	39th Driest	Driest since: 1962	1960
	1.63" (41.40mm)	2.03" (51.56mm)	-0.40" (-10.16mm)	90th Wettest	Wettest since: 1970	1997
	Ties: 1918
Jul–Aug 1971 2-Month	3.57" (90.68mm)	4.13" (104.90mm)	-0.56" (-14.22mm)	40th Driest	Driest since: 1964	1900
	3.57" (90.68mm)	4.13" (104.90mm)	-0.56" (-14.22mm)	89th Wettest	Wettest since: 1970	1923
	Ties: 1956, 1976
Jun–Aug 1971 3-Month	4.16" (105.66mm)	5.67" (144.02mm)	-1.51" (-38.36mm)	15th Driest	Driest since: 1960	1924
Jun–Aug 1971 3-Month	4.16" (105.66mm)	5.67" (144.02mm)	-1.51" (-38.36mm)	114th Wettest	Wettest since: 1970	1965
May–Aug 1971 4-Month	6.21" (157.73mm)	7.69" (195.33mm)	-1.48" (-37.60mm)	19th Driest	Driest since: 1960	2002
May–Aug 1971 4-Month	6.21" (157.73mm)	7.69" (195.33mm)	-1.48" (-37.60mm)	110th Wettest	Wettest since: 1970	1957
Apr–Aug 1971 5-Month	8.15" (207.01mm)	9.53" (242.06mm)	-1.38" (-35.05mm)	30th Driest	Driest since: 1970	2002
Apr–Aug 1971 5-Month	8.15" (207.01mm)	9.53" (242.06mm)	-1.38" (-35.05mm)	99th Wettest	Wettest since: 1969	1957
Mar–Aug 1971 6-Month	8.93" (226.82mm)	11.04" (280.42mm)	-2.11" (-53.60mm)	21st Driest	Driest since: 1966	2002
Mar–Aug 1971 6-Month	8.93" (226.82mm)	11.04" (280.42mm)	-2.11" (-53.60mm)	108th Wettest	Wettest since: 1970	1957
Feb–Aug 1971 7-Month	10.13" (257.30mm)	12.13" (308.10mm)	-2.00" (-50.80mm)	21st Driest	Driest since: 1966	2002
Feb–Aug 1971 7-Month	10.13" (257.30mm)	12.13" (308.10mm)	-2.00" (-50.80mm)	108th Wettest	Wettest since: 1970	1957
Jan–Aug 1971 8-Month	11.00" (279.40mm)	13.20" (335.28mm)	-2.20" (-55.88mm)	20th Driest	Driest since: 1966	2002
Jan–Aug 1971 8-Month	11.00" (279.40mm)	13.20" (335.28mm)	-2.20" (-55.88mm)	109th Wettest	Wettest since: 1970	1957
Dec 1970–Aug 1971 9-Month	11.69" (296.93mm)	14.27" (362.46mm)	-2.58" (-65.53mm)	17th Driest	Driest since: 1966	2002
Dec 1970–Aug 1971 9-Month	11.69" (296.93mm)	14.27" (362.46mm)	-2.58" (-65.53mm)	111th Wettest	Wettest since: 1970	1957
Nov 1970–Aug 1971 10-Month	12.98" (329.69mm)	15.34" (389.64mm)	-2.36" (-59.95mm)	22nd Driest	Driest since: 1970	2002
Nov 1970–Aug 1971 10-Month	12.98" (329.69mm)	15.34" (389.64mm)	-2.36" (-59.95mm)	106th Wettest	Wettest since: 1969	1957
Oct 1970–Aug 1971 11-Month	14.85" (377.19mm)	16.67" (423.42mm)	-1.82" (-46.23mm)	36th Driest	Driest since: 1966	2002
Oct 1970–Aug 1971 11-Month	14.85" (377.19mm)	16.67" (423.42mm)	-1.82" (-46.23mm)	92nd Wettest	Wettest since: 1970	1957
Sep 1970–Aug 1971 12-Month	17.14" (435.36mm)	18.10" (459.74mm)	-0.96" (-24.38mm)	54th Driest	Driest since: 1968	2002
Sep 1970–Aug 1971 12-Month	17.14" (435.36mm)	18.10" (459.74mm)	-0.96" (-24.38mm)	74th Wettest	Wettest since: 1970	1941
Mar 1970–Aug 1971 18-Month	27.26" (692.40mm)	29.15" (740.41mm)	-1.89" (-48.01mm)	43rd Driest	Driest since: 1967	2002
	27.26" (692.40mm)	29.15" (740.41mm)	-1.89" (-48.01mm)	85th Wettest	Wettest since: 1970	1942
	Ties: 2006
Sep 1969–Aug 1971 24-Month	35.46" (900.68mm)	36.21" (919.73mm)	-0.75" (-19.05mm)	51st Driest	Driest since: 1969	2003
Sep 1969–Aug 1971 24-Month	35.46" (900.68mm)	36.21" (919.73mm)	-0.75" (-19.05mm)	76th Wettest	Wettest since: 1970	1942
Sep 1968–Aug 1971 36-Month	53.56" (1,360.42mm)	54.26" (1,378.20mm)	-0.70" (-17.78mm)	58th Driest	Driest since: 1970	2002
	53.56" (1,360.42mm)	54.26" (1,378.20mm)	-0.70" (-17.78mm)	68th Wettest	Wettest since: 1969	1943
	Ties: 1950
Sep 1967–Aug 1971 48-Month	70.40" (1,788.16mm)	72.29" (1,836.17mm)	-1.89" (-48.01mm)	49th Driest	Driest since: 1969	1956
Sep 1967–Aug 1971 48-Month	70.40" (1,788.16mm)	72.29" (1,836.17mm)	-1.89" (-48.01mm)	76th Wettest	Wettest since: 1970	1944
Sep 1966–Aug 1971 60-Month	89.27" (2,267.46mm)	90.31" (2,293.87mm)	-1.04" (-26.41mm)	57th Driest	Driest since: 1970	2004
Sep 1966–Aug 1971 60-Month	89.27" (2,267.46mm)	90.31" (2,293.87mm)	-1.04" (-26.41mm)	67th Wettest	Wettest since: 1969	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings