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, July 1966

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1966 1-Month	2.30" (58.42mm)	2.10" (53.34mm)	0.20" (5.08mm)	80th Driest	Driest since: 1964	1900
	2.30" (58.42mm)	2.10" (53.34mm)	0.20" (5.08mm)	49th Wettest	Wettest since: 1965	1998
	Ties: 1932
Jun–Jul 1966 2-Month	3.65" (92.71mm)	3.65" (92.71mm)	0.00" (0.00mm)	67th Driest	Driest since: 1964	1924
Jun–Jul 1966 2-Month	3.65" (92.71mm)	3.65" (92.71mm)	0.00" (0.00mm)	62nd Wettest	Wettest since: 1965	1965
May–Jul 1966 3-Month	4.63" (117.60mm)	5.66" (143.76mm)	-1.03" (-26.16mm)	28th Driest	Driest since: 1964	2002
	4.63" (117.60mm)	5.66" (143.76mm)	-1.03" (-26.16mm)	101st Wettest	Wettest since: 1965	2015
	Ties: 2018
Apr–Jul 1966 4-Month	5.77" (146.56mm)	7.50" (190.50mm)	-1.73" (-43.94mm)	17th Driest	Driest since: 1963	2002
Apr–Jul 1966 4-Month	5.77" (146.56mm)	7.50" (190.50mm)	-1.73" (-43.94mm)	112th Wettest	Wettest since: 1965	1957
Mar–Jul 1966 5-Month	6.16" (156.46mm)	9.02" (229.11mm)	-2.86" (-72.65mm)	6th Driest	Driest since: 1963	2002
	6.16" (156.46mm)	9.02" (229.11mm)	-2.86" (-72.65mm)	123rd Wettest	Wettest since: 1965	1957
	Ties: 2008
Feb–Jul 1966 6-Month	6.94" (176.28mm)	10.11" (256.79mm)	-3.17" (-80.51mm)	6th Driest	Driest since: 1963	2002
Feb–Jul 1966 6-Month	6.94" (176.28mm)	10.11" (256.79mm)	-3.17" (-80.51mm)	123rd Wettest	Wettest since: 1965	1995
Jan–Jul 1966 7-Month	7.52" (191.01mm)	11.17" (283.72mm)	-3.65" (-92.71mm)	3rd Driest	Driest since: 1966	2002
Jan–Jul 1966 7-Month	7.52" (191.01mm)	11.17" (283.72mm)	-3.65" (-92.71mm)	126th Wettest	Wettest since: 1965	1957
Dec 1965–Jul 1966 8-Month	9.04" (229.62mm)	12.24" (310.90mm)	-3.20" (-81.28mm)	6th Driest	Driest since: 1963	2002
Dec 1965–Jul 1966 8-Month	9.04" (229.62mm)	12.24" (310.90mm)	-3.20" (-81.28mm)	122nd Wettest	Wettest since: 1965	1957
Nov 1965–Jul 1966 9-Month	10.26" (260.60mm)	13.31" (338.07mm)	-3.05" (-77.47mm)	11th Driest	Driest since: 1963	2002
Nov 1965–Jul 1966 9-Month	10.26" (260.60mm)	13.31" (338.07mm)	-3.05" (-77.47mm)	117th Wettest	Wettest since: 1965	1957
Oct 1965–Jul 1966 10-Month	11.44" (290.58mm)	14.64" (371.86mm)	-3.20" (-81.28mm)	10th Driest	Driest since: 1964	2002
Oct 1965–Jul 1966 10-Month	11.44" (290.58mm)	14.64" (371.86mm)	-3.20" (-81.28mm)	118th Wettest	Wettest since: 1965	1995
Sep 1965–Jul 1966 11-Month	13.99" (355.35mm)	16.07" (408.18mm)	-2.08" (-52.83mm)	30th Driest	Driest since: 1964	2002
Sep 1965–Jul 1966 11-Month	13.99" (355.35mm)	16.07" (408.18mm)	-2.08" (-52.83mm)	98th Wettest	Wettest since: 1965	1995
Aug 1965–Jul 1966 12-Month	16.41" (416.81mm)	18.08" (459.23mm)	-1.67" (-42.42mm)	36th Driest	Driest since: 1963	2002
Aug 1965–Jul 1966 12-Month	16.41" (416.81mm)	18.08" (459.23mm)	-1.67" (-42.42mm)	92nd Wettest	Wettest since: 1965	1995
Feb 1965–Jul 1966 18-Month	29.30" (744.22mm)	28.21" (716.53mm)	1.09" (27.69mm)	87th Driest	Driest since: 1965	2002, 2013
Feb 1965–Jul 1966 18-Month	29.30" (744.22mm)	28.21" (716.53mm)	1.09" (27.69mm)	41st Wettest	Wettest since: 1962	1942
Aug 1964–Jul 1966 24-Month	36.94" (938.28mm)	36.18" (918.97mm)	0.76" (19.31mm)	75th Driest	Driest since: 1964	1902
Aug 1964–Jul 1966 24-Month	36.94" (938.28mm)	36.18" (918.97mm)	0.76" (19.31mm)	52nd Wettest	Wettest since: 1965	1942
Aug 1963–Jul 1966 36-Month	53.47" (1,358.14mm)	54.23" (1,377.44mm)	-0.76" (-19.30mm)	52nd Driest	Driest since: 1965	1956
Aug 1963–Jul 1966 36-Month	53.47" (1,358.14mm)	54.23" (1,377.44mm)	-0.76" (-19.30mm)	74th Wettest	Wettest since: 1962	1943
Aug 1962–Jul 1966 48-Month	65.80" (1,671.32mm)	72.25" (1,835.15mm)	-6.45" (-163.83mm)	21st Driest	Driest since: 1964	1956
Aug 1962–Jul 1966 48-Month	65.80" (1,671.32mm)	72.25" (1,835.15mm)	-6.45" (-163.83mm)	104th Wettest	Wettest since: 1965	1944
Aug 1961–Jul 1966 60-Month	85.42" (2,169.67mm)	90.27" (2,292.86mm)	-4.85" (-123.19mm)	34th Driest	Driest since: 1964	1954
Aug 1961–Jul 1966 60-Month	85.42" (2,169.67mm)	90.27" (2,292.86mm)	-4.85" (-123.19mm)	90th Wettest	Wettest since: 1965	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings