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 1965

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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 1965 1-Month	1.57" (39.88mm)	1.84" (46.74mm)	-0.27" (-6.86mm)	62nd Driest	Driest since: 1963	2002
	1.57" (39.88mm)	1.84" (46.74mm)	-0.27" (-6.86mm)	67th Wettest	Wettest since: 1964	1900
	Ties: 2003
Mar–Apr 1965 2-Month	3.15" (80.01mm)	3.35" (85.09mm)	-0.20" (-5.08mm)	59th Driest	Driest since: 1963	2002
	3.15" (80.01mm)	3.35" (85.09mm)	-0.20" (-5.08mm)	70th Wettest	Wettest since: 1964	1906
	Ties: 1909
Feb–Apr 1965 3-Month	4.14" (105.16mm)	4.44" (112.78mm)	-0.30" (-7.62mm)	58th Driest	Driest since: 1964	2002
Feb–Apr 1965 3-Month	4.14" (105.16mm)	4.44" (112.78mm)	-0.30" (-7.62mm)	71st Wettest	Wettest since: 1961	1905
Jan–Apr 1965 4-Month	5.39" (136.91mm)	5.51" (139.95mm)	-0.12" (-3.04mm)	70th Driest	Driest since: 1964	2002
	5.39" (136.91mm)	5.51" (139.95mm)	-0.12" (-3.04mm)	59th Wettest	Wettest since: 1960	1905
	Ties: 1939
Dec 1964–Apr 1965 5-Month	7.15" (181.61mm)	6.58" (167.13mm)	0.57" (14.48mm)	88th Driest	Driest since: 1964	2002
Dec 1964–Apr 1965 5-Month	7.15" (181.61mm)	6.58" (167.13mm)	0.57" (14.48mm)	40th Wettest	Wettest since: 1957	1905
Nov 1964–Apr 1965 6-Month	8.71" (221.23mm)	7.65" (194.31mm)	1.06" (26.92mm)	98th Driest	Driest since: 1964	1904
	8.71" (221.23mm)	7.65" (194.31mm)	1.06" (26.92mm)	30th Wettest	Wettest since: 1957	1984
	Ties: 1945
Oct 1964–Apr 1965 7-Month	8.86" (225.04mm)	8.98" (228.09mm)	-0.12" (-3.05mm)	64th Driest	Driest since: 1964	2002
Oct 1964–Apr 1965 7-Month	8.86" (225.04mm)	8.98" (228.09mm)	-0.12" (-3.05mm)	64th Wettest	Wettest since: 1961	1942
Sep 1964–Apr 1965 8-Month	9.97" (253.24mm)	10.41" (264.41mm)	-0.44" (-11.17mm)	53rd Driest	Driest since: 1964	1902, 2002
Sep 1964–Apr 1965 8-Month	9.97" (253.24mm)	10.41" (264.41mm)	-0.44" (-11.17mm)	75th Wettest	Wettest since: 1962	1942
Aug 1964–Apr 1965 9-Month	11.78" (299.21mm)	12.42" (315.47mm)	-0.64" (-16.26mm)	46th Driest	Driest since: 1963	2002
	11.78" (299.21mm)	12.42" (315.47mm)	-0.64" (-16.26mm)	82nd Wettest	Wettest since: 1964	1942
	Ties: 1966
Jul 1964–Apr 1965 10-Month	13.20" (335.28mm)	14.52" (368.81mm)	-1.32" (-33.53mm)	41st Driest	Driest since: 1963	1902
Jul 1964–Apr 1965 10-Month	13.20" (335.28mm)	14.52" (368.81mm)	-1.32" (-33.53mm)	87th Wettest	Wettest since: 1964	1942
Jun 1964–Apr 1965 11-Month	14.35" (364.49mm)	16.07" (408.18mm)	-1.72" (-43.69mm)	36th Driest	Driest since: 1963	1981
Jun 1964–Apr 1965 11-Month	14.35" (364.49mm)	16.07" (408.18mm)	-1.72" (-43.69mm)	92nd Wettest	Wettest since: 1964	1942
May 1964–Apr 1965 12-Month	16.20" (411.48mm)	18.08" (459.23mm)	-1.88" (-47.75mm)	31st Driest	Driest since: 1964	2013
May 1964–Apr 1965 12-Month	16.20" (411.48mm)	18.08" (459.23mm)	-1.88" (-47.75mm)	97th Wettest	Wettest since: 1962	1942
Nov 1963–Apr 1965 18-Month	22.21" (564.13mm)	25.76" (654.30mm)	-3.55" (-90.17mm)	19th Driest	Driest since: 1964	2013
Nov 1963–Apr 1965 18-Month	22.21" (564.13mm)	25.76" (654.30mm)	-3.55" (-90.17mm)	108th Wettest	Wettest since: 1962	1942
May 1963–Apr 1965 24-Month	32.09" (815.09mm)	36.16" (918.46mm)	-4.07" (-103.37mm)	21st Driest	Driest since: 1964	1902
May 1963–Apr 1965 24-Month	32.09" (815.09mm)	36.16" (918.46mm)	-4.07" (-103.37mm)	106th Wettest	Wettest since: 1963	1942
May 1962–Apr 1965 36-Month	46.13" (1,171.70mm)	54.22" (1,377.19mm)	-8.09" (-205.49mm)	11th Driest	Driest since: 1956	1955
May 1962–Apr 1965 36-Month	46.13" (1,171.70mm)	54.22" (1,377.19mm)	-8.09" (-205.49mm)	115th Wettest	Wettest since: 1964	1985
May 1961–Apr 1965 48-Month	65.97" (1,675.64mm)	72.24" (1,834.90mm)	-6.27" (-159.26mm)	21st Driest	Driest since: 1964	1904
May 1961–Apr 1965 48-Month	65.97" (1,675.64mm)	72.24" (1,834.90mm)	-6.27" (-159.26mm)	104th Wettest	Wettest since: 1963	1986
May 1960–Apr 1965 60-Month	81.02" (2,057.91mm)	90.24" (2,292.10mm)	-9.22" (-234.19mm)	11th Driest	Driest since: 1957	1957
May 1960–Apr 1965 60-Month	81.02" (2,057.91mm)	90.24" (2,292.10mm)	-9.22" (-234.19mm)	113th Wettest	Wettest since: 1964	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings