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 2016

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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 2016
1-Month 		1.64"
(41.66mm)		 2.10"
(53.34mm)		 -0.46"
(-11.68mm)		 32nd Driest
Driest since:
 1900
97th Wettest
Wettest since:
 1998
Jun–Jul 2016
2-Month 		2.99"
(75.95mm)		 3.65"
(92.71mm)		 -0.66"
(-16.76mm)		 32nd Driest
Driest since:
 1924
97th Wettest
Wettest since:
 1965
May–Jul 2016
3-Month 		5.06"
(128.52mm)		 5.66"
(143.76mm)		 -0.60"
(-15.24mm)		 48th Driest
Driest since:
 2002
81st Wettest
Wettest since:
 2015
Apr–Jul 2016
4-Month 		7.80"
(198.12mm)		 7.50"
(190.50mm)		 0.30"
(7.62mm)		 83rd Driest
Driest since:
 2002
46th Wettest
Wettest since:
 1957
Mar–Jul 2016
5-Month 		9.08"
(230.63mm)		 9.02"
(229.11mm)		 0.06"
(1.52mm)		 71st Driest
Driest since:
 2002
58th Wettest
Wettest since:
 1957
Feb–Jul 2016
6-Month 		9.93"
(252.22mm)		 10.11"
(256.79mm)		 -0.18"
(-4.57mm)		 64th Driest
Driest since:
 2002
65th Wettest
Wettest since:
 1995
Jan–Jul 2016
7-Month 		10.95"
(278.13mm)		 11.17"
(283.72mm)		 -0.22"
(-5.59mm)		 61st Driest
Driest since:
 2002
68th Wettest
Wettest since:
 1957
Dec 2015–Jul 2016
8-Month 		12.42"
(315.47mm)		 12.24"
(310.90mm)		 0.18"
(4.57mm)		 77th Driest
Driest since:
 2002
51st Wettest
Wettest since:
 1957
Ties: 1987, 1998
Nov 2015–Jul 2016
9-Month 		14.11"
(358.39mm)		 13.31"
(338.07mm)		 0.80"
(20.32mm)		 86th Driest
Driest since:
 2002
42nd Wettest
Wettest since:
 1957
Ties: 1945
Oct 2015–Jul 2016
10-Month 		15.93"
(404.62mm)		 14.64"
(371.86mm)		 1.29"
(32.76mm)		 90th Driest
Driest since:
 2002
38th Wettest
Wettest since:
 1995
Sep 2015–Jul 2016
11-Month 		16.69"
(423.93mm)		 16.07"
(408.18mm)		 0.62"
(15.75mm)		 79th Driest
Driest since:
 2002
49th Wettest
Wettest since:
 1995
Aug 2015–Jul 2016
12-Month 		18.36"
(466.34mm)		 18.08"
(459.23mm)		 0.28"
(7.11mm)		 70th Driest
Driest since:
 2002
58th Wettest
Wettest since:
 1995
Feb 2015–Jul 2016
18-Month 		32.03"
(813.56mm)		 28.21"
(716.53mm)		 3.82"
(97.03mm)		 112th Driest
Driest since:
 2002, 2013
16th Wettest
Wettest since:
 1942
Aug 2014–Jul 2016
24-Month 		40.86"
(1,037.84mm)		 36.18"
(918.97mm)		 4.68"
(118.87mm)		 113th Driest
Driest since:
 1902
14th Wettest
Wettest since:
 1942
Aug 2013–Jul 2016
36-Month 		61.42"
(1,560.07mm)		 54.23"
(1,377.44mm)		 7.19"
(182.63mm)		 120th Driest
Driest since:
 1956
6th Wettest
Wettest since:
 1943
Aug 2012–Jul 2016
48-Month 		75.44"
(1,916.18mm)		 72.25"
(1,835.15mm)		 3.19"
(81.03mm)		 90th Driest
Driest since:
 1956
35th Wettest
Wettest since:
 1944
Aug 2011–Jul 2016
60-Month 		89.35"
(2,269.49mm)		 90.27"
(2,292.86mm)		 -0.92"
(-23.37mm)		 53rd Driest
Driest since:
 1954
71st Wettest
Wettest since:
 1999

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