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 1918

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1918
1-Month 		2.03"
(51.56mm)		 1.06"
(26.92mm)		 0.97"
(24.64mm)		 124th Driest
Driest since:
 1919, 1931
5th Wettest
Wettest since:
 1916
Dec 1917–Jan 1918
2-Month 		2.51"
(63.75mm)		 2.13"
(54.10mm)		 0.38"
(9.65mm)		 98th Driest
Driest since:
 1931
30th Wettest
Wettest since:
 1914
Ties: 1973, 2007
Nov 1917–Jan 1918
3-Month 		2.91"
(73.91mm)		 3.20"
(81.28mm)		 -0.29"
(-7.37mm)		 50th Driest
Driest since:
 1904
78th Wettest
Wettest since:
 1979
Oct 1917–Jan 1918
4-Month 		3.47"
(88.14mm)		 4.54"
(115.32mm)		 -1.07"
(-27.18mm)		 24th Driest
Driest since:
 1977
104th Wettest
Wettest since:
 1909
Sep 1917–Jan 1918
5-Month 		4.97"
(126.24mm)		 5.96"
(151.38mm)		 -0.99"
(-25.14mm)		 33rd Driest
Driest since:
 1904
95th Wettest
Wettest since:
 1942
Aug 1917–Jan 1918
6-Month 		6.79"
(172.47mm)		 7.98"
(202.69mm)		 -1.19"
(-30.22mm)		 32nd Driest
Driest since:
 1901
96th Wettest
Wettest since:
 1942
Jul 1917–Jan 1918
7-Month 		8.33"
(211.58mm)		 10.07"
(255.78mm)		 -1.74"
(-44.20mm)		 22nd Driest
Driest since:
 1901
106th Wettest
Wettest since:
 2007
Jun 1917–Jan 1918
8-Month 		8.96"
(227.58mm)		 11.62"
(295.15mm)		 -2.66"
(-67.57mm)		 13th Driest
Driest since:
 1901, 1981
115th Wettest
Wettest since:
 1942
May 1917–Jan 1918
9-Month 		12.39"
(314.71mm)		 13.64"
(346.46mm)		 -1.25"
(-31.75mm)		 38th Driest
Driest since:
 1901
90th Wettest
Wettest since:
 1942
Apr 1917–Jan 1918
10-Month 		14.70"
(373.38mm)		 15.52"
(394.21mm)		 -0.82"
(-20.83mm)		 46th Driest
Driest since:
 1940
82nd Wettest
Wettest since:
 1942
Mar 1917–Jan 1918
11-Month 		15.82"
(401.83mm)		 17.02"
(432.31mm)		 -1.20"
(-30.48mm)		 45th Driest
Driest since:
 2021
83rd Wettest
Wettest since:
 1942
Feb 1917–Jan 1918
12-Month 		16.60"
(421.64mm)		 18.10"
(459.74mm)		 -1.50"
(-38.10mm)		 38th Driest
Driest since:
 2003
90th Wettest
Wettest since:
 1942
Aug 1916–Jan 1918
18-Month 		26.35"
(669.29mm)		 26.08"
(662.43mm)		 0.27"
(6.86mm)		 70th Driest
Driest since:
 2003
57th Wettest
Wettest since:
 1942
Feb 1916–Jan 1918
24-Month 		34.63"
(879.60mm)		 36.16"
(918.46mm)		 -1.53"
(-38.86mm)		 46th Driest
Driest since:
 2003
81st Wettest
Wettest since:
 1943
Feb 1915–Jan 1918
36-Month 		57.24"
(1,453.90mm)		 54.20"
(1,376.68mm)		 3.04"
(77.22mm)		 96th Driest
Driest since:
 1977
30th Wettest
Wettest since:
 1943
Feb 1914–Jan 1918
48-Month 		76.85"
(1,951.99mm)		 72.24"
(1,834.90mm)		 4.61"
(117.09mm)		 100th Driest
Driest since:
 1957
25th Wettest
Wettest since:
 1987
Feb 1913–Jan 1918
60-Month 		95.23"
(2,418.84mm)		 90.25"
(2,292.35mm)		 4.98"
(126.49mm)		 98th Driest
Driest since:
 1957
26th Wettest
Wettest since:
 2000

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