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, August 2013

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
August 2013
1-Month		2.24"
(56.90mm)		2.03"
(51.56mm)		0.21"
(5.34mm)		83rd Driest
Driest since:
1960
46th Wettest
Wettest since:
1997
Ties: 1981
Jul–Aug 2013
2-Month		4.68"
(118.87mm)		4.13"
(104.90mm)		0.55"
(13.97mm)		92nd Driest
Driest since:
1900
37th Wettest
Wettest since:
1923
Jun–Aug 2013
3-Month		5.34"
(135.64mm)		5.67"
(144.02mm)		-0.33"
(-8.38mm)		52nd Driest
Driest since:
1924
77th Wettest
Wettest since:
1965
Ties: 1933
May–Aug 2013
4-Month		6.89"
(175.01mm)		7.69"
(195.33mm)		-0.80"
(-20.32mm)		40th Driest
Driest since:
2002
89th Wettest
Wettest since:
1957
Apr–Aug 2013
5-Month		8.56"
(217.42mm)		9.53"
(242.06mm)		-0.97"
(-24.64mm)		42nd Driest
Driest since:
2002
87th Wettest
Wettest since:
1957
Mar–Aug 2013
6-Month		9.63"
(244.60mm)		11.04"
(280.42mm)		-1.41"
(-35.82mm)		31st Driest
Driest since:
2002
98th Wettest
Wettest since:
1957
Feb–Aug 2013
7-Month		10.52"
(267.21mm)		12.13"
(308.10mm)		-1.61"
(-40.89mm)		30th Driest
Driest since:
2002
99th Wettest
Wettest since:
1957
Jan–Aug 2013
8-Month		11.43"
(290.32mm)		13.20"
(335.28mm)		-1.77"
(-44.96mm)		27th Driest
Driest since:
2002
102nd Wettest
Wettest since:
1957
Dec 2012–Aug 2013
9-Month		12.74"
(323.60mm)		14.27"
(362.46mm)		-1.53"
(-38.86mm)		32nd Driest
Driest since:
2002
96th Wettest
Wettest since:
1957
Nov 2012–Aug 2013
10-Month		13.18"
(334.77mm)		15.34"
(389.64mm)		-2.16"
(-54.87mm)		23rd Driest
Driest since:
2002
105th Wettest
Wettest since:
1957
Oct 2012–Aug 2013
11-Month		13.90"
(353.06mm)		16.67"
(423.42mm)		-2.77"
(-70.36mm)		20th Driest
Driest since:
2002
108th Wettest
Wettest since:
1957
Sep 2012–Aug 2013
12-Month		15.19"
(385.83mm)		18.10"
(459.74mm)		-2.91"
(-73.91mm)		15th Driest
Driest since:
2002
113th Wettest
Wettest since:
1941
Mar 2012–Aug 2013
18-Month		21.69"
(550.93mm)		29.15"
(740.41mm)		-7.46"
(-189.48mm)		3rd Driest
Driest since:
2002
125th Wettest
Wettest since:
1942
Sep 2011–Aug 2013
24-Month		28.57"
(725.68mm)		36.21"
(919.73mm)		-7.64"
(-194.05mm)		3rd Driest
Driest since:
2003
124th Wettest
Wettest since:
1942
Sep 2010–Aug 2013
36-Month		46.10"
(1,170.94mm)		54.26"
(1,378.20mm)		-8.16"
(-207.26mm)		7th Driest
Driest since:
2002
119th Wettest
Wettest since:
1943
Ties: 1902
Sep 2009–Aug 2013
48-Month		65.02"
(1,651.51mm)		72.29"
(1,836.17mm)		-7.27"
(-184.66mm)		18th Driest
Driest since:
1956
107th Wettest
Wettest since:
1944
Sep 2008–Aug 2013
60-Month		83.46"
(2,119.88mm)		90.31"
(2,293.87mm)		-6.85"
(-173.99mm)		22nd Driest
Driest since:
2004
102nd Wettest
Wettest since:
1999

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