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 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
May 1965 1-Month	2.01" (51.05mm)	2.02" (51.31mm)	-0.01" (-0.26mm)	68th Driest	Driest since: 1964	1974
	2.01" (51.05mm)	2.02" (51.31mm)	-0.01" (-0.26mm)	61st Wettest	Wettest since: 1961	2015
	Ties: 1996
Apr–May 1965 2-Month	3.58" (90.93mm)	3.86" (98.04mm)	-0.28" (-7.11mm)	58th Driest	Driest since: 1964	2002
Apr–May 1965 2-Month	3.58" (90.93mm)	3.86" (98.04mm)	-0.28" (-7.11mm)	71st Wettest	Wettest since: 1959	1957
Mar–May 1965 3-Month	5.16" (131.06mm)	5.37" (136.40mm)	-0.21" (-5.34mm)	66th Driest	Driest since: 1964	2002
Mar–May 1965 3-Month	5.16" (131.06mm)	5.37" (136.40mm)	-0.21" (-5.34mm)	63rd Wettest	Wettest since: 1961	1957
Feb–May 1965 4-Month	6.15" (156.21mm)	6.46" (164.08mm)	-0.31" (-7.87mm)	59th Driest	Driest since: 1964	2002
Feb–May 1965 4-Month	6.15" (156.21mm)	6.46" (164.08mm)	-0.31" (-7.87mm)	70th Wettest	Wettest since: 1961	1905
Jan–May 1965 5-Month	7.40" (187.96mm)	7.52" (191.01mm)	-0.12" (-3.05mm)	69th Driest	Driest since: 1964	2002
Jan–May 1965 5-Month	7.40" (187.96mm)	7.52" (191.01mm)	-0.12" (-3.05mm)	60th Wettest	Wettest since: 1960	1957
Dec 1964–May 1965 6-Month	9.16" (232.66mm)	8.60" (218.44mm)	0.56" (14.22mm)	89th Driest	Driest since: 1964	2002
Dec 1964–May 1965 6-Month	9.16" (232.66mm)	8.60" (218.44mm)	0.56" (14.22mm)	39th Wettest	Wettest since: 1957	1957
Nov 1964–May 1965 7-Month	10.72" (272.29mm)	9.66" (245.36mm)	1.06" (26.93mm)	95th Driest	Driest since: 1964	2002
Nov 1964–May 1965 7-Month	10.72" (272.29mm)	9.66" (245.36mm)	1.06" (26.93mm)	33rd Wettest	Wettest since: 1957	1957
Oct 1964–May 1965 8-Month	10.87" (276.10mm)	11.00" (279.40mm)	-0.13" (-3.30mm)	62nd Driest	Driest since: 1964	2002
Oct 1964–May 1965 8-Month	10.87" (276.10mm)	11.00" (279.40mm)	-0.13" (-3.30mm)	66th Wettest	Wettest since: 1961	1995
Sep 1964–May 1965 9-Month	11.98" (304.29mm)	12.43" (315.72mm)	-0.45" (-11.43mm)	55th Driest	Driest since: 1964	2002
Sep 1964–May 1965 9-Month	11.98" (304.29mm)	12.43" (315.72mm)	-0.45" (-11.43mm)	73rd Wettest	Wettest since: 1962	1942
Aug 1964–May 1965 10-Month	13.79" (350.27mm)	14.44" (366.78mm)	-0.65" (-16.51mm)	53rd Driest	Driest since: 1963	2002
Aug 1964–May 1965 10-Month	13.79" (350.27mm)	14.44" (366.78mm)	-0.65" (-16.51mm)	75th Wettest	Wettest since: 1964	1942
Jul 1964–May 1965 11-Month	15.21" (386.33mm)	16.54" (420.12mm)	-1.33" (-33.79mm)	42nd Driest	Driest since: 1963	2002
Jul 1964–May 1965 11-Month	15.21" (386.33mm)	16.54" (420.12mm)	-1.33" (-33.79mm)	86th Wettest	Wettest since: 1964	1942
Jun 1964–May 1965 12-Month	16.36" (415.54mm)	18.08" (459.23mm)	-1.72" (-43.69mm)	40th Driest	Driest since: 1963	2002
Jun 1964–May 1965 12-Month	16.36" (415.54mm)	18.08" (459.23mm)	-1.72" (-43.69mm)	88th Wettest	Wettest since: 1964	1942
Dec 1963–May 1965 18-Month	23.52" (597.41mm)	26.70" (678.18mm)	-3.18" (-80.77mm)	20th Driest	Driest since: 1964	2013
Dec 1963–May 1965 18-Month	23.52" (597.41mm)	26.70" (678.18mm)	-3.18" (-80.77mm)	107th Wettest	Wettest since: 1962	1942
Jun 1963–May 1965 24-Month	33.41" (848.61mm)	36.18" (918.97mm)	-2.77" (-70.36mm)	34th Driest	Driest since: 1964	1902
Jun 1963–May 1965 24-Month	33.41" (848.61mm)	36.18" (918.97mm)	-2.77" (-70.36mm)	93rd Wettest	Wettest since: 1962	1942
Jun 1962–May 1965 36-Month	46.47" (1,180.34mm)	54.21" (1,376.93mm)	-7.74" (-196.59mm)	10th Driest	Driest since: 1956	2022
Jun 1962–May 1965 36-Month	46.47" (1,180.34mm)	54.21" (1,376.93mm)	-7.74" (-196.59mm)	116th Wettest	Wettest since: 1964	1943
Jun 1961–May 1965 48-Month	65.96" (1,675.38mm)	72.23" (1,834.64mm)	-6.27" (-159.26mm)	21st Driest	Driest since: 1964	1956
Jun 1961–May 1965 48-Month	65.96" (1,675.38mm)	72.23" (1,834.64mm)	-6.27" (-159.26mm)	104th Wettest	Wettest since: 1963	1944
Jun 1960–May 1965 60-Month	81.47" (2,069.34mm)	90.24" (2,292.10mm)	-8.77" (-222.76mm)	15th Driest	Driest since: 1957	2022
Jun 1960–May 1965 60-Month	81.47" (2,069.34mm)	90.24" (2,292.10mm)	-8.77" (-222.76mm)	109th Wettest	Wettest since: 1964	1987

Citing This Page

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