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 1909

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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 1909
1-Month
1.82"
(46.23mm)
1.06"
(26.92mm)
0.76"
(19.31mm)
117th Driest
Driest since:
1919, 1931
12th Wettest
Wettest since:
1916
Ties: 1974
Dec 1908–Jan 1909
2-Month
3.48"
(88.39mm)
2.13"
(54.10mm)
1.35"
(34.29mm)
121st Driest
Driest since:
1931
7th Wettest
Wettest to Date
1914
Ties: 1949
Nov 1908–Jan 1909
3-Month
4.82"
(122.43mm)
3.20"
(81.28mm)
1.62"
(41.15mm)
121st Driest
Driest since:
1904
7th Wettest
Wettest to Date
1979
Oct 1908–Jan 1909
4-Month
7.40"
(187.96mm)
4.54"
(115.32mm)
2.86"
(72.64mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1909
Sep 1908–Jan 1909
5-Month
8.14"
(206.76mm)
5.96"
(151.38mm)
2.18"
(55.38mm)
121st Driest
Driest since:
1904
7th Wettest
Wettest to Date
1942
Aug 1908–Jan 1909
6-Month
10.64"
(270.26mm)
7.98"
(202.69mm)
2.66"
(67.57mm)
123rd Driest
Driest since:
1901
5th Wettest
Wettest to Date
1942
Jul 1908–Jan 1909
7-Month
13.04"
(331.22mm)
10.08"
(256.03mm)
2.96"
(75.19mm)
122nd Driest
Driest since:
1901
6th Wettest
Wettest to Date
2007
Jun 1908–Jan 1909
8-Month
14.09"
(357.89mm)
11.62"
(295.15mm)
2.47"
(62.74mm)
116th Driest
Driest since:
1901, 1981
12th Wettest
Wettest to Date
1942
May 1908–Jan 1909
9-Month
16.27"
(413.26mm)
13.64"
(346.46mm)
2.63"
(66.80mm)
117th Driest
Driest since:
1901
11th Wettest
Wettest to Date
1942
Apr 1908–Jan 1909
10-Month
17.36"
(440.94mm)
15.52"
(394.21mm)
1.84"
(46.73mm)
104th Driest
Driest since:
1940
24th Wettest
Wettest since:
1942
Mar 1908–Jan 1909
11-Month
18.24"
(463.30mm)
17.02"
(432.31mm)
1.22"
(30.99mm)
91st Driest
Driest since:
2021
37th Wettest
Wettest since:
1942
Ties: 2007
Feb 1908–Jan 1909
12-Month
19.53"
(496.06mm)
18.10"
(459.74mm)
1.43"
(36.32mm)
96th Driest
Driest since:
2003
32nd Wettest
Wettest since:
1942
Ties: 1974
Aug 1907–Jan 1909
18-Month
26.43"
(671.32mm)
26.08"
(662.43mm)
0.35"
(8.89mm)
71st Driest
Driest since:
2003
56th Wettest
Wettest since:
1942
Feb 1907–Jan 1909
24-Month
36.75"
(933.45mm)
36.16"
(918.46mm)
0.59"
(14.99mm)
70th Driest
Driest since:
2003
57th Wettest
Wettest since:
1943
Ties: 1946
Feb 1906–Jan 1909
36-Month
59.15"
(1,502.41mm)
54.20"
(1,376.68mm)
4.95"
(125.73mm)
108th Driest
Driest since:
1977
18th Wettest
Wettest since:
1943
Feb 1905–Jan 1909
48-Month
80.00"
(2,032.00mm)
72.24"
(1,834.90mm)
7.76"
(197.10mm)
115th Driest
Driest since:
1957
10th Wettest
Wettest to Date
1987
Feb 1904–Jan 1909
60-Month
97.97"
(2,488.44mm)
90.25"
(2,292.35mm)
7.72"
(196.09mm)
112th Driest
Driest since:
1957
12th Wettest
Wettest to Date
2000

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