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 1986

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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 1986
1-Month 		0.34"
(8.64mm)		 1.06"
(26.92mm)		 -0.72"
(-18.28mm)		 6th Driest
Driest since:
 1919, 1931
124th Wettest
Wettest since:
 1916
Dec 1985–Jan 1986
2-Month 		1.23"
(31.24mm)		 2.13"
(54.10mm)		 -0.90"
(-22.86mm)		 10th Driest
Driest since:
 1931
119th Wettest
Wettest since:
 1914
Nov 1985–Jan 1986
3-Month 		3.52"
(89.41mm)		 3.20"
(81.28mm)		 0.32"
(8.13mm)		 94th Driest
Driest since:
 1904
35th Wettest
Wettest since:
 1979
Oct 1985–Jan 1986
4-Month 		5.25"
(133.35mm)		 4.54"
(115.32mm)		 0.71"
(18.03mm)		 94th Driest
Driest since:
 1977
35th Wettest
Wettest since:
 1909
Ties: 1949
Sep 1985–Jan 1986
5-Month 		7.63"
(193.80mm)		 5.96"
(151.38mm)		 1.67"
(42.42mm)		 113th Driest
Driest since:
 1904
16th Wettest
Wettest since:
 1942
Aug 1985–Jan 1986
6-Month 		8.48"
(215.39mm)		 7.98"
(202.69mm)		 0.50"
(12.70mm)		 79th Driest
Driest since:
 1901
50th Wettest
Wettest since:
 1942
Jul 1985–Jan 1986
7-Month 		11.62"
(295.15mm)		 10.08"
(256.03mm)		 1.54"
(39.12mm)		 102nd Driest
Driest since:
 1901
27th Wettest
Wettest since:
 2007
Jun 1985–Jan 1986
8-Month 		12.51"
(317.75mm)		 11.62"
(295.15mm)		 0.89"
(22.60mm)		 86th Driest
Driest since:
 1901, 1981
43rd Wettest
Wettest since:
 1942
May 1985–Jan 1986
9-Month 		14.66"
(372.36mm)		 13.64"
(346.46mm)		 1.02"
(25.90mm)		 83rd Driest
Driest since:
 1901
46th Wettest
Wettest since:
 1942
Apr 1985–Jan 1986
10-Month 		17.12"
(434.85mm)		 15.52"
(394.21mm)		 1.60"
(40.64mm)		 103rd Driest
Driest since:
 1940
26th Wettest
Wettest since:
 1942
Mar 1985–Jan 1986
11-Month 		19.04"
(483.62mm)		 17.02"
(432.31mm)		 2.02"
(51.31mm)		 106th Driest
Driest since:
 2021
23rd Wettest
Wettest since:
 1942
Feb 1985–Jan 1986
12-Month 		19.85"
(504.19mm)		 18.10"
(459.74mm)		 1.75"
(44.45mm)		 104th Driest
Driest since:
 2003
25th Wettest
Wettest since:
 1942
Aug 1984–Jan 1986
18-Month 		29.83"
(757.68mm)		 26.08"
(662.43mm)		 3.75"
(95.25mm)		 113th Driest
Driest since:
 2003
15th Wettest
Wettest since:
 1942
Feb 1984–Jan 1986
24-Month 		40.78"
(1,035.81mm)		 36.16"
(918.46mm)		 4.62"
(117.35mm)		 119th Driest
Driest since:
 2003
9th Wettest
Wettest since:
 1943
Feb 1983–Jan 1986
36-Month 		62.75"
(1,593.85mm)		 54.20"
(1,376.68mm)		 8.55"
(217.17mm)		 124th Driest
Driest since:
 1977
3rd Wettest
Wettest since:
 1943
Feb 1982–Jan 1986
48-Month 		81.84"
(2,078.74mm)		 72.24"
(1,834.90mm)		 9.60"
(243.84mm)		 123rd Driest
Driest since:
 1957
3rd Wettest
Wettest to Date
 1987
Feb 1981–Jan 1986
60-Month 		101.59"
(2,580.39mm)		 90.25"
(2,292.35mm)		 11.34"
(288.04mm)		 121st Driest
Driest since:
 1957
4th Wettest
Wettest to Date
 2000

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