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 1977

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 1977
1-Month
0.59"
(14.99mm)
1.06"
(26.92mm)
-0.47"
(-11.93mm)
16th Driest
Driest since:
1919, 1931
113th Wettest
Wettest since:
1916
Dec 1976–Jan 1977
2-Month
0.77"
(19.56mm)
2.13"
(54.10mm)
-1.36"
(-34.54mm)
4th Driest
Driest since:
1931
124th Wettest
Wettest since:
1914
Nov 1976–Jan 1977
3-Month
1.10"
(27.94mm)
3.20"
(81.28mm)
-2.10"
(-53.34mm)
2nd Driest
Driest since:
1904
126th Wettest
Wettest since:
1979
Oct 1976–Jan 1977
4-Month
1.83"
(46.48mm)
4.54"
(115.32mm)
-2.71"
(-68.84mm)
1st Driest
Driest since:
1977
127th Wettest
Wettest since:
1909
Sep 1976–Jan 1977
5-Month
4.07"
(103.38mm)
5.96"
(151.38mm)
-1.89"
(-48.00mm)
7th Driest
Driest since:
1904
121st Wettest
Wettest since:
1942
Aug 1976–Jan 1977
6-Month
5.86"
(148.84mm)
7.98"
(202.69mm)
-2.12"
(-53.85mm)
11th Driest
Driest since:
1901
117th Wettest
Wettest since:
1942
Jul 1976–Jan 1977
7-Month
7.64"
(194.06mm)
10.08"
(256.03mm)
-2.44"
(-61.97mm)
9th Driest
Driest since:
1901
119th Wettest
Wettest since:
2007
Jun 1976–Jan 1977
8-Month
8.54"
(216.92mm)
11.62"
(295.15mm)
-3.08"
(-78.23mm)
10th Driest
Driest since:
1901, 1981
118th Wettest
Wettest since:
1942
May 1976–Jan 1977
9-Month
10.48"
(266.19mm)
13.64"
(346.46mm)
-3.16"
(-80.27mm)
10th Driest
Driest since:
1901
118th Wettest
Wettest since:
1942
Ties: 1904
Apr 1976–Jan 1977
10-Month
12.15"
(308.61mm)
15.52"
(394.21mm)
-3.37"
(-85.60mm)
10th Driest
Driest since:
1940
118th Wettest
Wettest since:
1942
Mar 1976–Jan 1977
11-Month
13.30"
(337.82mm)
17.02"
(432.31mm)
-3.72"
(-94.49mm)
9th Driest
Driest since:
2021
119th Wettest
Wettest since:
1942
Feb 1976–Jan 1977
12-Month
14.54"
(369.32mm)
18.10"
(459.74mm)
-3.56"
(-90.42mm)
10th Driest
Driest since:
2003
118th Wettest
Wettest since:
1942
Aug 1975–Jan 1977
18-Month
20.05"
(509.27mm)
26.08"
(662.43mm)
-6.03"
(-153.16mm)
5th Driest
Driest since:
2003
122nd Wettest
Wettest since:
1942
Feb 1975–Jan 1977
24-Month
30.45"
(773.43mm)
36.16"
(918.46mm)
-5.71"
(-145.03mm)
9th Driest
Driest since:
2003
118th Wettest
Wettest since:
1943
Feb 1974–Jan 1977
36-Month
44.48"
(1,129.79mm)
54.20"
(1,376.68mm)
-9.72"
(-246.89mm)
1st Driest
Driest since:
1977
125th Wettest
Wettest since:
1943
Feb 1973–Jan 1977
48-Month
64.01"
(1,625.85mm)
72.24"
(1,834.90mm)
-8.23"
(-209.05mm)
12th Driest
Driest since:
1957
113th Wettest
Wettest since:
1987
Feb 1972–Jan 1977
60-Month
81.54"
(2,071.12mm)
90.25"
(2,292.35mm)
-8.71"
(-221.23mm)
14th Driest
Driest since:
1957
110th Wettest
Wettest since:
2000

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