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 1998

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1998
1-Month 		0.80"
(20.32mm)		 1.06"
(26.92mm)		 -0.26"
(-6.60mm)		 43rd Driest
Driest since:
 1919, 1931
86th Wettest
Wettest since:
 1916
Ties: 1991
Dec 1997–Jan 1998
2-Month 		1.66"
(42.16mm)		 2.13"
(54.10mm)		 -0.47"
(-11.94mm)		 31st Driest
Driest since:
 1931
97th Wettest
Wettest since:
 1914
Nov 1997–Jan 1998
3-Month 		2.89"
(73.41mm)		 3.20"
(81.28mm)		 -0.31"
(-7.87mm)		 49th Driest
Driest since:
 1904
79th Wettest
Wettest since:
 1979
Oct 1997–Jan 1998
4-Month 		5.14"
(130.56mm)		 4.54"
(115.32mm)		 0.60"
(15.24mm)		 88th Driest
Driest since:
 1977
40th Wettest
Wettest since:
 1909
Sep 1997–Jan 1998
5-Month 		7.57"
(192.28mm)		 5.96"
(151.38mm)		 1.61"
(40.90mm)		 111th Driest
Driest since:
 1904
17th Wettest
Wettest since:
 1942
Aug 1997–Jan 1998
6-Month 		11.02"
(279.91mm)		 7.98"
(202.69mm)		 3.04"
(77.22mm)		 126th Driest
Driest since:
 1901
2nd Wettest
Wettest since:
 1942
Jul 1997–Jan 1998
7-Month 		13.16"
(334.26mm)		 10.08"
(256.03mm)		 3.08"
(78.23mm)		 123rd Driest
Driest since:
 1901
5th Wettest
Wettest since:
 2007
Jun 1997–Jan 1998
8-Month 		15.37"
(390.40mm)		 11.62"
(295.15mm)		 3.75"
(95.25mm)		 124th Driest
Driest since:
 1901, 1981
4th Wettest
Wettest since:
 1942
May 1997–Jan 1998
9-Month 		17.28"
(438.91mm)		 13.64"
(346.46mm)		 3.64"
(92.45mm)		 121st Driest
Driest since:
 1901
7th Wettest
Wettest since:
 1942
Apr 1997–Jan 1998
10-Month 		19.73"
(501.14mm)		 15.52"
(394.21mm)		 4.21"
(106.93mm)		 122nd Driest
Driest since:
 1940
6th Wettest
Wettest since:
 1942
Mar 1997–Jan 1998
11-Month 		20.24"
(514.10mm)		 17.02"
(432.31mm)		 3.22"
(81.79mm)		 117th Driest
Driest since:
 2021
11th Wettest
Wettest since:
 1942
Feb 1997–Jan 1998
12-Month 		21.30"
(541.02mm)		 18.10"
(459.74mm)		 3.20"
(81.28mm)		 116th Driest
Driest since:
 2003
12th Wettest
Wettest since:
 1942
Aug 1996–Jan 1998
18-Month 		31.45"
(798.83mm)		 26.08"
(662.43mm)		 5.37"
(136.40mm)		 124th Driest
Driest since:
 2003
3rd Wettest
Wettest since:
 1942
Feb 1996–Jan 1998
24-Month 		41.21"
(1,046.73mm)		 36.16"
(918.46mm)		 5.05"
(128.27mm)		 120th Driest
Driest since:
 2003
7th Wettest
Wettest since:
 1943
Feb 1995–Jan 1998
36-Month 		63.60"
(1,615.44mm)		 54.20"
(1,376.68mm)		 9.40"
(238.76mm)		 124th Driest
Driest since:
 1977
2nd Wettest
Wettest since:
 1943
Feb 1994–Jan 1998
48-Month 		81.09"
(2,059.69mm)		 72.24"
(1,834.90mm)		 8.85"
(224.79mm)		 120th Driest
Driest since:
 1957
5th Wettest
Wettest since:
 1987
Feb 1993–Jan 1998
60-Month 		100.12"
(2,543.05mm)		 90.25"
(2,292.35mm)		 9.87"
(250.70mm)		 118th Driest
Driest since:
 1957
6th Wettest
Wettest since:
 2000

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