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 1931

View Period (Months):
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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 1931
1-Month
0.17"
(4.32mm)
1.06"
(26.92mm)
-0.89"
(-22.60mm)
1st Driest
Driest since:
1919, 1931
128th Wettest
Wettest since:
1916
Ties: 1919
Dec 1930–Jan 1931
2-Month
0.50"
(12.70mm)
2.13"
(54.10mm)
-1.63"
(-41.40mm)
1st Driest
Driest since:
1931
127th Wettest
Wettest since:
1914
Nov 1930–Jan 1931
3-Month
2.12"
(53.85mm)
3.20"
(81.28mm)
-1.08"
(-27.43mm)
12th Driest
Driest since:
1904
116th Wettest
Wettest since:
1979
Ties: 1902, 1933
Oct 1930–Jan 1931
4-Month
3.35"
(85.09mm)
4.54"
(115.32mm)
-1.19"
(-30.23mm)
19th Driest
Driest since:
1977
109th Wettest
Wettest since:
1909
Ties: 1928, 1959
Sep 1930–Jan 1931
5-Month
4.49"
(114.05mm)
5.96"
(151.38mm)
-1.47"
(-37.33mm)
16th Driest
Driest since:
1904
112th Wettest
Wettest since:
1942
Aug 1930–Jan 1931
6-Month
7.43"
(188.72mm)
7.98"
(202.69mm)
-0.55"
(-13.97mm)
50th Driest
Driest since:
1901
78th Wettest
Wettest since:
1942
Jul 1930–Jan 1931
7-Month
10.57"
(268.48mm)
10.07"
(255.78mm)
0.50"
(12.70mm)
80th Driest
Driest since:
1901
48th Wettest
Wettest since:
2007
Jun 1930–Jan 1931
8-Month
11.40"
(289.56mm)
11.62"
(295.15mm)
-0.22"
(-5.59mm)
57th Driest
Driest since:
1901, 1981
71st Wettest
Wettest since:
1942
May 1930–Jan 1931
9-Month
13.98"
(355.09mm)
13.64"
(346.46mm)
0.34"
(8.63mm)
73rd Driest
Driest since:
1901
55th Wettest
Wettest since:
1942
Apr 1930–Jan 1931
10-Month
15.18"
(385.57mm)
15.52"
(394.21mm)
-0.34"
(-8.64mm)
55th Driest
Driest since:
1940
73rd Wettest
Wettest since:
1942
Mar 1930–Jan 1931
11-Month
16.12"
(409.45mm)
17.02"
(432.31mm)
-0.90"
(-22.86mm)
49th Driest
Driest since:
2021
79th Wettest
Wettest since:
1942
Feb 1930–Jan 1931
12-Month
16.81"
(426.97mm)
18.10"
(459.74mm)
-1.29"
(-32.77mm)
44th Driest
Driest since:
2003
84th Wettest
Wettest since:
1942
Aug 1929–Jan 1931
18-Month
26.46"
(672.08mm)
26.08"
(662.43mm)
0.38"
(9.65mm)
72nd Driest
Driest since:
2003
55th Wettest
Wettest since:
1942
Feb 1929–Jan 1931
24-Month
36.13"
(917.70mm)
36.16"
(918.46mm)
-0.03"
(-0.76mm)
63rd Driest
Driest since:
2003
64th Wettest
Wettest since:
1943
Feb 1928–Jan 1931
36-Month
54.93"
(1,395.22mm)
54.20"
(1,376.68mm)
0.73"
(18.54mm)
73rd Driest
Driest since:
1977
53rd Wettest
Wettest since:
1943
Feb 1927–Jan 1931
48-Month
75.73"
(1,923.54mm)
72.24"
(1,834.90mm)
3.49"
(88.64mm)
90th Driest
Driest since:
1957
35th Wettest
Wettest since:
1987
Feb 1926–Jan 1931
60-Month
93.27"
(2,369.06mm)
90.25"
(2,292.35mm)
3.02"
(76.71mm)
86th Driest
Driest since:
1957
38th Wettest
Wettest since:
2000

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