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 2004

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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
July 2004 1-Month	2.36" (59.94mm)	2.10" (53.34mm)	0.26" (6.60mm)	87th Driest	Driest since: 2003	1900
	2.36" (59.94mm)	2.10" (53.34mm)	0.26" (6.60mm)	42nd Wettest	Wettest since: 2001	1998
	Ties: 1898
Jun–Jul 2004 2-Month	4.35" (110.49mm)	3.65" (92.71mm)	0.70" (17.78mm)	105th Driest	Driest since: 2003	1924
	4.35" (110.49mm)	3.65" (92.71mm)	0.70" (17.78mm)	24th Wettest	Wettest since: 1998	1965
	Ties: 1925, 1997
May–Jul 2004 3-Month	5.05" (128.27mm)	5.66" (143.76mm)	-0.61" (-15.49mm)	47th Driest	Driest since: 2003	2002
May–Jul 2004 3-Month	5.05" (128.27mm)	5.66" (143.76mm)	-0.61" (-15.49mm)	82nd Wettest	Wettest since: 2001	2015
Apr–Jul 2004 4-Month	8.20" (208.28mm)	7.50" (190.50mm)	0.70" (17.78mm)	92nd Driest	Driest since: 2003	2002
Apr–Jul 2004 4-Month	8.20" (208.28mm)	7.50" (190.50mm)	0.70" (17.78mm)	37th Wettest	Wettest since: 1999	1957
Mar–Jul 2004 5-Month	8.81" (223.77mm)	9.02" (229.11mm)	-0.21" (-5.34mm)	64th Driest	Driest since: 2003	2002
Mar–Jul 2004 5-Month	8.81" (223.77mm)	9.02" (229.11mm)	-0.21" (-5.34mm)	65th Wettest	Wettest since: 2001	1957
Feb–Jul 2004 6-Month	10.08" (256.03mm)	10.11" (256.79mm)	-0.03" (-0.76mm)	67th Driest	Driest since: 2002	2002
	10.08" (256.03mm)	10.11" (256.79mm)	-0.03" (-0.76mm)	62nd Wettest	Wettest since: 2003	1995
	Ties: 1932
Jan–Jul 2004 7-Month	10.98" (278.89mm)	11.17" (283.72mm)	-0.19" (-4.83mm)	64th Driest	Driest since: 2003	2002
	10.98" (278.89mm)	11.17" (283.72mm)	-0.19" (-4.83mm)	65th Wettest	Wettest since: 2001	1957
	Ties: 1930
Dec 2003–Jul 2004 8-Month	11.89" (302.01mm)	12.24" (310.90mm)	-0.35" (-8.89mm)	58th Driest	Driest since: 2003	2002
Dec 2003–Jul 2004 8-Month	11.89" (302.01mm)	12.24" (310.90mm)	-0.35" (-8.89mm)	70th Wettest	Wettest since: 2001	1957
Nov 2003–Jul 2004 9-Month	13.23" (336.04mm)	13.31" (338.07mm)	-0.08" (-2.03mm)	67th Driest	Driest since: 2003	2002
Nov 2003–Jul 2004 9-Month	13.23" (336.04mm)	13.31" (338.07mm)	-0.08" (-2.03mm)	61st Wettest	Wettest since: 1999	1957
Oct 2003–Jul 2004 10-Month	13.60" (345.44mm)	14.64" (371.86mm)	-1.04" (-26.42mm)	48th Driest	Driest since: 2002	2002
Oct 2003–Jul 2004 10-Month	13.60" (345.44mm)	14.64" (371.86mm)	-1.04" (-26.42mm)	80th Wettest	Wettest since: 2003	1995
Sep 2003–Jul 2004 11-Month	15.04" (382.02mm)	16.07" (408.18mm)	-1.03" (-26.16mm)	48th Driest	Driest since: 2002	2002
Sep 2003–Jul 2004 11-Month	15.04" (382.02mm)	16.07" (408.18mm)	-1.03" (-26.16mm)	80th Wettest	Wettest since: 2003	1995
Aug 2003–Jul 2004 12-Month	16.89" (429.01mm)	18.08" (459.23mm)	-1.19" (-30.22mm)	45th Driest	Driest since: 2002	2002
Aug 2003–Jul 2004 12-Month	16.89" (429.01mm)	18.08" (459.23mm)	-1.19" (-30.22mm)	83rd Wettest	Wettest since: 2003	1995
Feb 2003–Jul 2004 18-Month	26.98" (685.29mm)	28.21" (716.53mm)	-1.23" (-31.24mm)	50th Driest	Driest since: 2003	2002, 2013
Feb 2003–Jul 2004 18-Month	26.98" (685.29mm)	28.21" (716.53mm)	-1.23" (-31.24mm)	78th Wettest	Wettest since: 2000	1942
Aug 2002–Jul 2004 24-Month	34.25" (869.95mm)	36.18" (918.97mm)	-1.93" (-49.02mm)	37th Driest	Driest since: 2003	1902
Aug 2002–Jul 2004 24-Month	34.25" (869.95mm)	36.18" (918.97mm)	-1.93" (-49.02mm)	90th Wettest	Wettest since: 2001	1942
Aug 2001–Jul 2004 36-Month	44.78" (1,137.41mm)	54.23" (1,377.44mm)	-9.45" (-240.03mm)	3rd Driest	Driest since: 1956	1956
Aug 2001–Jul 2004 36-Month	44.78" (1,137.41mm)	54.23" (1,377.44mm)	-9.45" (-240.03mm)	123rd Wettest	Wettest since: 2003	1943
Aug 2000–Jul 2004 48-Month	62.85" (1,596.39mm)	72.25" (1,835.15mm)	-9.40" (-238.76mm)	7th Driest	Driest since: 2003	1956
Aug 2000–Jul 2004 48-Month	62.85" (1,596.39mm)	72.25" (1,835.15mm)	-9.40" (-238.76mm)	118th Wettest	Wettest since: 2002	1944
Aug 1999–Jul 2004 60-Month	79.32" (2,014.73mm)	90.27" (2,292.86mm)	-10.95" (-278.13mm)	4th Driest	Driest since: 1978	1954
Aug 1999–Jul 2004 60-Month	79.32" (2,014.73mm)	90.27" (2,292.86mm)	-10.95" (-278.13mm)	120th Wettest	Wettest since: 2003	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 1, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings