Statewide Rankings

Statewide Data Info
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 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:
 1900
42nd Wettest
Wettest since:
 1998
Ties: 1898
Jun–Jul 2004
2-Month 		4.35"
(110.49mm)		 3.65"
(92.71mm)		 0.70"
(17.78mm)		 105th Driest
Driest since:
 1924
24th Wettest
Wettest since:
 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:
 2002
82nd Wettest
Wettest since:
 2015
Apr–Jul 2004
4-Month 		8.20"
(208.28mm)		 7.50"
(190.50mm)		 0.70"
(17.78mm)		 92nd Driest
Driest since:
 2002
37th Wettest
Wettest since:
 1957
Mar–Jul 2004
5-Month 		8.81"
(223.77mm)		 9.02"
(229.11mm)		 -0.21"
(-5.34mm)		 64th Driest
Driest since:
 2002
65th Wettest
Wettest since:
 1957
Feb–Jul 2004
6-Month 		10.08"
(256.03mm)		 10.11"
(256.79mm)		 -0.03"
(-0.76mm)		 67th Driest
Driest since:
 2002
62nd Wettest
Wettest since:
 1995
Ties: 1932
Jan–Jul 2004
7-Month 		10.98"
(278.89mm)		 11.17"
(283.72mm)		 -0.19"
(-4.83mm)		 64th Driest
Driest since:
 2002
65th Wettest
Wettest since:
 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:
 2002
70th Wettest
Wettest since:
 1957
Nov 2003–Jul 2004
9-Month 		13.23"
(336.04mm)		 13.31"
(338.07mm)		 -0.08"
(-2.03mm)		 67th Driest
Driest since:
 2002
61st Wettest
Wettest since:
 1957
Oct 2003–Jul 2004
10-Month 		13.60"
(345.44mm)		 14.64"
(371.86mm)		 -1.04"
(-26.42mm)		 48th Driest
Driest since:
 2002
80th Wettest
Wettest since:
 1995
Sep 2003–Jul 2004
11-Month 		15.04"
(382.02mm)		 16.07"
(408.18mm)		 -1.03"
(-26.16mm)		 48th Driest
Driest since:
 2002
80th Wettest
Wettest since:
 1995
Aug 2003–Jul 2004
12-Month 		16.89"
(429.01mm)		 18.08"
(459.23mm)		 -1.19"
(-30.22mm)		 45th Driest
Driest since:
 2002
83rd Wettest
Wettest since:
 1995
Feb 2003–Jul 2004
18-Month 		26.98"
(685.29mm)		 28.21"
(716.53mm)		 -1.23"
(-31.24mm)		 50th Driest
Driest since:
 2002, 2013
78th Wettest
Wettest since:
 1942
Aug 2002–Jul 2004
24-Month 		34.25"
(869.95mm)		 36.18"
(918.97mm)		 -1.93"
(-49.02mm)		 37th Driest
Driest since:
 1902
90th Wettest
Wettest since:
 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
123rd Wettest
Wettest since:
 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:
 1956
118th Wettest
Wettest since:
 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:
 1954
120th Wettest
Wettest since:
 1999

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