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, April 1980

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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
April 1980 1-Month	2.36" (59.94mm)	1.84" (46.74mm)	0.52" (13.20mm)	103rd Driest	Driest since: 1979	2002
	2.36" (59.94mm)	1.84" (46.74mm)	0.52" (13.20mm)	26th Wettest	Wettest since: 1957	1900
	Ties: 2009
Mar–Apr 1980 2-Month	4.37" (111.00mm)	3.35" (85.09mm)	1.02" (25.91mm)	113th Driest	Driest since: 1979	2002
Mar–Apr 1980 2-Month	4.37" (111.00mm)	3.35" (85.09mm)	1.02" (25.91mm)	16th Wettest	Wettest since: 1957	1906
Feb–Apr 1980 3-Month	6.11" (155.19mm)	4.44" (112.78mm)	1.67" (42.41mm)	121st Driest	Driest since: 1979	2002
Feb–Apr 1980 3-Month	6.11" (155.19mm)	4.44" (112.78mm)	1.67" (42.41mm)	8th Wettest	Wettest since: 1944	1905
Jan–Apr 1980 4-Month	8.43" (214.12mm)	5.51" (139.95mm)	2.92" (74.17mm)	123rd Driest	Driest since: 1979	2002
Jan–Apr 1980 4-Month	8.43" (214.12mm)	5.51" (139.95mm)	2.92" (74.17mm)	6th Wettest	Wettest since: 1957	1905
Dec 1979–Apr 1980 5-Month	9.38" (238.25mm)	6.58" (167.13mm)	2.80" (71.12mm)	123rd Driest	Driest since: 1979	2002
Dec 1979–Apr 1980 5-Month	9.38" (238.25mm)	6.58" (167.13mm)	2.80" (71.12mm)	5th Wettest	Wettest since: 1957	1905
Nov 1979–Apr 1980 6-Month	10.83" (275.08mm)	7.65" (194.31mm)	3.18" (80.77mm)	125th Driest	Driest since: 1979	1904
Nov 1979–Apr 1980 6-Month	10.83" (275.08mm)	7.65" (194.31mm)	3.18" (80.77mm)	3rd Wettest	Wettest since: 1905	1984
Oct 1979–Apr 1980 7-Month	11.99" (304.55mm)	8.98" (228.09mm)	3.01" (76.46mm)	126th Driest	Driest since: 1979	2002
	11.99" (304.55mm)	8.98" (228.09mm)	3.01" (76.46mm)	2nd Wettest	Wettest since: 1942	1942
	Ties: 1909
Sep 1979–Apr 1980 8-Month	12.52" (318.01mm)	10.41" (264.41mm)	2.11" (53.60mm)	115th Driest	Driest since: 1979	1902, 2002
Sep 1979–Apr 1980 8-Month	12.52" (318.01mm)	10.41" (264.41mm)	2.11" (53.60mm)	13th Wettest	Wettest since: 1973	1942
Aug 1979–Apr 1980 9-Month	14.86" (377.44mm)	12.42" (315.47mm)	2.44" (61.97mm)	116th Driest	Driest since: 1979	2002
Aug 1979–Apr 1980 9-Month	14.86" (377.44mm)	12.42" (315.47mm)	2.44" (61.97mm)	12th Wettest	Wettest since: 1973	1942
Jul 1979–Apr 1980 10-Month	16.56" (420.62mm)	14.52" (368.81mm)	2.04" (51.81mm)	108th Driest	Driest since: 1979	1902
Jul 1979–Apr 1980 10-Month	16.56" (420.62mm)	14.52" (368.81mm)	2.04" (51.81mm)	20th Wettest	Wettest since: 1973	1942
Jun 1979–Apr 1980 11-Month	18.36" (466.34mm)	16.07" (408.18mm)	2.29" (58.16mm)	105th Driest	Driest since: 1979	1981
Jun 1979–Apr 1980 11-Month	18.36" (466.34mm)	16.07" (408.18mm)	2.29" (58.16mm)	23rd Wettest	Wettest since: 1973	1942
May 1979–Apr 1980 12-Month	21.40" (543.56mm)	18.08" (459.23mm)	3.32" (84.33mm)	118th Driest	Driest since: 1979	2013
May 1979–Apr 1980 12-Month	21.40" (543.56mm)	18.08" (459.23mm)	3.32" (84.33mm)	10th Wettest	Wettest since: 1970	1942
Nov 1978–Apr 1980 18-Month	31.47" (799.34mm)	25.76" (654.30mm)	5.71" (145.04mm)	123rd Driest	Driest since: 1979	2013
Nov 1978–Apr 1980 18-Month	31.47" (799.34mm)	25.76" (654.30mm)	5.71" (145.04mm)	4th Wettest	Wettest since: 1958	1942
May 1978–Apr 1980 24-Month	39.90" (1,013.46mm)	36.16" (918.46mm)	3.74" (95.00mm)	111th Driest	Driest since: 1979	1902
May 1978–Apr 1980 24-Month	39.90" (1,013.46mm)	36.16" (918.46mm)	3.74" (95.00mm)	16th Wettest	Wettest since: 1948	1942
May 1977–Apr 1980 36-Month	57.34" (1,456.44mm)	54.22" (1,377.19mm)	3.12" (79.25mm)	98th Driest	Driest since: 1979	1955
May 1977–Apr 1980 36-Month	57.34" (1,456.44mm)	54.22" (1,377.19mm)	3.12" (79.25mm)	28th Wettest	Wettest since: 1960	1985
May 1976–Apr 1980 48-Month	71.31" (1,811.27mm)	72.24" (1,834.90mm)	-0.93" (-23.63mm)	55th Driest	Driest since: 1979	1904
May 1976–Apr 1980 48-Month	71.31" (1,811.27mm)	72.24" (1,834.90mm)	-0.93" (-23.63mm)	70th Wettest	Wettest since: 1973	1986
May 1975–Apr 1980 60-Month	86.70" (2,202.18mm)	90.24" (2,292.10mm)	-3.54" (-89.92mm)	39th Driest	Driest since: 1979	1957
May 1975–Apr 1980 60-Month	86.70" (2,202.18mm)	90.24" (2,292.10mm)	-3.54" (-89.92mm)	85th Wettest	Wettest since: 1974	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings