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, January 2013

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 2013
1-Month 		0.91"
(23.11mm)		 1.06"
(26.92mm)		 -0.15"
(-3.81mm)		 60th Driest
Driest since:
 1919, 1931
70th Wettest
Wettest since:
 1916
Ties: 1967
Dec 2012–Jan 2013
2-Month 		2.22"
(56.39mm)		 2.13"
(54.10mm)		 0.09"
(2.29mm)		 76th Driest
Driest since:
 1931
53rd Wettest
Wettest since:
 1914
Nov 2012–Jan 2013
3-Month 		2.66"
(67.56mm)		 3.20"
(81.28mm)		 -0.54"
(-13.72mm)		 33rd Driest
Driest since:
 1904
96th Wettest
Wettest since:
 1979
Ties: 1924
Oct 2012–Jan 2013
4-Month 		3.38"
(85.85mm)		 4.54"
(115.32mm)		 -1.16"
(-29.47mm)		 22nd Driest
Driest since:
 1977
107th Wettest
Wettest since:
 1909
Sep 2012–Jan 2013
5-Month 		4.67"
(118.62mm)		 5.96"
(151.38mm)		 -1.29"
(-32.76mm)		 21st Driest
Driest since:
 1904
108th Wettest
Wettest since:
 1942
Aug 2012–Jan 2013
6-Month 		5.74"
(145.80mm)		 7.98"
(202.69mm)		 -2.24"
(-56.89mm)		 9th Driest
Driest since:
 1901
120th Wettest
Wettest since:
 1942
Jul 2012–Jan 2013
7-Month 		8.01"
(203.45mm)		 10.08"
(256.03mm)		 -2.07"
(-52.58mm)		 17th Driest
Driest since:
 1901
112th Wettest
Wettest since:
 2007
Jun 2012–Jan 2013
8-Month 		8.43"
(214.12mm)		 11.62"
(295.15mm)		 -3.19"
(-81.03mm)		 9th Driest
Driest since:
 1901, 1981
120th Wettest
Wettest since:
 1942
May 2012–Jan 2013
9-Month 		9.34"
(237.24mm)		 13.64"
(346.46mm)		 -4.30"
(-109.22mm)		 4th Driest
Driest since:
 1901
125th Wettest
Wettest since:
 1942
Apr 2012–Jan 2013
10-Month 		10.72"
(272.29mm)		 15.52"
(394.21mm)		 -4.80"
(-121.92mm)		 5th Driest
Driest since:
 1940
124th Wettest
Wettest since:
 1942
Mar 2012–Jan 2013
11-Month 		11.17"
(283.72mm)		 17.02"
(432.31mm)		 -5.85"
(-148.59mm)		 2nd Driest
Driest since:
 2021
127th Wettest
Wettest since:
 1942
Ties: 2003
Feb 2012–Jan 2013
12-Month 		12.53"
(318.26mm)		 18.10"
(459.74mm)		 -5.57"
(-141.48mm)		 3rd Driest
Driest since:
 2003
126th Wettest
Wettest since:
 1942
Ties: 1940
Aug 2011–Jan 2013
18-Month 		19.65"
(499.11mm)		 26.08"
(662.43mm)		 -6.43"
(-163.32mm)		 3rd Driest
Driest since:
 2003
125th Wettest
Wettest since:
 1942
Feb 2011–Jan 2013
24-Month 		30.13"
(765.30mm)		 36.16"
(918.46mm)		 -6.03"
(-153.16mm)		 7th Driest
Driest since:
 2003
121st Wettest
Wettest since:
 1943
Feb 2010–Jan 2013
36-Month 		48.15"
(1,223.01mm)		 54.20"
(1,376.68mm)		 -6.05"
(-153.67mm)		 19th Driest
Driest since:
 1977
108th Wettest
Wettest since:
 1943
Feb 2009–Jan 2013
48-Month 		66.84"
(1,697.74mm)		 72.24"
(1,834.90mm)		 -5.40"
(-137.16mm)		 26th Driest
Driest since:
 1957
100th Wettest
Wettest since:
 1987
Feb 2008–Jan 2013
60-Month 		83.68"
(2,125.47mm)		 90.25"
(2,292.35mm)		 -6.57"
(-166.88mm)		 22nd Driest
Driest since:
 1957
103rd Wettest
Wettest since:
 2000

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