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 2003

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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
January 2003
1-Month 		0.44"
(11.18mm)		 1.06"
(26.92mm)		 -0.62"
(-15.74mm)		 10th Driest
Driest since:
 1919, 1931
119th Wettest
Wettest since:
 1916
Dec 2002–Jan 2003
2-Month 		1.08"
(27.43mm)		 2.13"
(54.10mm)		 -1.05"
(-26.67mm)		 5th Driest
Driest since:
 1931
123rd Wettest
Wettest since:
 1914
Nov 2002–Jan 2003
3-Month 		2.06"
(52.32mm)		 3.20"
(81.28mm)		 -1.14"
(-28.96mm)		 10th Driest
Driest since:
 1904
118th Wettest
Wettest since:
 1979
Oct 2002–Jan 2003
4-Month 		3.68"
(93.47mm)		 4.54"
(115.32mm)		 -0.86"
(-21.85mm)		 32nd Driest
Driest since:
 1977
96th Wettest
Wettest since:
 1909
Sep 2002–Jan 2003
5-Month 		5.78"
(146.81mm)		 5.96"
(151.38mm)		 -0.18"
(-4.57mm)		 59th Driest
Driest since:
 1904
69th Wettest
Wettest since:
 1942
Ties: 2001
Aug 2002–Jan 2003
6-Month 		7.27"
(184.66mm)		 7.98"
(202.69mm)		 -0.71"
(-18.03mm)		 44th Driest
Driest since:
 1901
84th Wettest
Wettest since:
 1942
Jul 2002–Jan 2003
7-Month 		8.29"
(210.57mm)		 10.08"
(256.03mm)		 -1.79"
(-45.46mm)		 21st Driest
Driest since:
 1901
107th Wettest
Wettest since:
 2007
Jun 2002–Jan 2003
8-Month 		9.16"
(232.66mm)		 11.62"
(295.15mm)		 -2.46"
(-62.49mm)		 16th Driest
Driest since:
 1901, 1981
112th Wettest
Wettest since:
 1942
May 2002–Jan 2003
9-Month 		9.73"
(247.14mm)		 13.64"
(346.46mm)		 -3.91"
(-99.32mm)		 6th Driest
Driest since:
 1901
122nd Wettest
Wettest since:
 1942
Apr 2002–Jan 2003
10-Month 		10.30"
(261.62mm)		 15.52"
(394.21mm)		 -5.22"
(-132.59mm)		 3rd Driest
Driest since:
 1940
125th Wettest
Wettest since:
 1942
Mar 2002–Jan 2003
11-Month 		11.17"
(283.72mm)		 17.02"
(432.31mm)		 -5.85"
(-148.59mm)		 2nd Driest
Driest since:
 2021
126th Wettest
Wettest since:
 1942
Ties: 2013
Feb 2002–Jan 2003
12-Month 		11.65"
(295.91mm)		 18.10"
(459.74mm)		 -6.45"
(-163.83mm)		 1st Driest
Driest since:
 2003
127th Wettest
Wettest since:
 1942
Aug 2001–Jan 2003
18-Month 		17.80"
(452.12mm)		 26.08"
(662.43mm)		 -8.28"
(-210.31mm)		 1st Driest
Driest since:
 2003
126th Wettest
Wettest since:
 1942
Feb 2001–Jan 2003
24-Month 		28.08"
(713.23mm)		 36.16"
(918.46mm)		 -8.08"
(-205.23mm)		 1st Driest
Driest since:
 2003
126th Wettest
Wettest since:
 1943
Feb 2000–Jan 2003
36-Month 		44.76"
(1,136.90mm)		 54.20"
(1,376.68mm)		 -9.44"
(-239.78mm)		 3rd Driest
Driest since:
 1977
123rd Wettest
Wettest since:
 1943
Feb 1999–Jan 2003
48-Month 		64.97"
(1,650.24mm)		 72.24"
(1,834.90mm)		 -7.27"
(-184.66mm)		 17th Driest
Driest since:
 1957
108th Wettest
Wettest since:
 1987
Feb 1998–Jan 2003
60-Month 		84.01"
(2,133.85mm)		 90.25"
(2,292.35mm)		 -6.24"
(-158.50mm)		 25th Driest
Driest since:
 1957
99th Wettest
Wettest since:
 2000

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