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, April 1966

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
April 1966
1-Month
1.14"
(28.96mm)
1.84"
(46.74mm)
-0.70"
(-17.78mm)
24th Driest
Driest since:
2002
105th Wettest
Wettest since:
1900
Ties: 1937, 1979, 2008
Mar–Apr 1966
2-Month
1.53"
(38.86mm)
3.35"
(85.09mm)
-1.82"
(-46.23mm)
2nd Driest
Driest since:
2002
127th Wettest
Wettest since:
1906
Feb–Apr 1966
3-Month
2.31"
(58.67mm)
4.44"
(112.78mm)
-2.13"
(-54.11mm)
3rd Driest
Driest since:
2002
126th Wettest
Wettest since:
1905
Jan–Apr 1966
4-Month
2.89"
(73.41mm)
5.51"
(139.95mm)
-2.62"
(-66.54mm)
2nd Driest
Driest since:
2002
127th Wettest
Wettest since:
1905
Dec 1965–Apr 1966
5-Month
4.41"
(112.01mm)
6.58"
(167.13mm)
-2.17"
(-55.12mm)
6th Driest
Driest since:
2002
122nd Wettest
Wettest since:
1905
Nov 1965–Apr 1966
6-Month
5.63"
(143.00mm)
7.65"
(194.31mm)
-2.02"
(-51.31mm)
11th Driest
Driest since:
1904
117th Wettest
Wettest since:
1984
Oct 1965–Apr 1966
7-Month
6.81"
(172.97mm)
8.98"
(228.09mm)
-2.17"
(-55.12mm)
11th Driest
Driest since:
2002
117th Wettest
Wettest since:
1942
Ties: 1955
Sep 1965–Apr 1966
8-Month
9.36"
(237.74mm)
10.41"
(264.41mm)
-1.05"
(-26.67mm)
41st Driest
Driest since:
1902, 2002
87th Wettest
Wettest since:
1942
Aug 1965–Apr 1966
9-Month
11.78"
(299.21mm)
12.42"
(315.47mm)
-0.64"
(-16.26mm)
46th Driest
Driest since:
2002
82nd Wettest
Wettest since:
1942
Ties: 1965
Jul 1965–Apr 1966
10-Month
15.03"
(381.76mm)
14.52"
(368.81mm)
0.51"
(12.95mm)
76th Driest
Driest since:
1902
52nd Wettest
Wettest since:
1942
Jun 1965–Apr 1966
11-Month
18.52"
(470.41mm)
16.07"
(408.18mm)
2.45"
(62.23mm)
109th Driest
Driest since:
1981
19th Wettest
Wettest since:
1942
May 1965–Apr 1966
12-Month
20.53"
(521.46mm)
18.08"
(459.23mm)
2.45"
(62.23mm)
110th Driest
Driest since:
2013
18th Wettest
Wettest since:
1942
Nov 1964–Apr 1966
18-Month
29.24"
(742.70mm)
25.76"
(654.30mm)
3.48"
(88.40mm)
114th Driest
Driest since:
2013
13th Wettest
Wettest since:
1942
May 1964–Apr 1966
24-Month
36.73"
(932.94mm)
36.16"
(918.46mm)
0.57"
(14.48mm)
76th Driest
Driest since:
1902
51st Wettest
Wettest since:
1942
May 1963–Apr 1966
36-Month
52.62"
(1,336.55mm)
54.22"
(1,377.19mm)
-1.60"
(-40.64mm)
45th Driest
Driest since:
1955
81st Wettest
Wettest since:
1985
Ties: 1938
May 1962–Apr 1966
48-Month
66.66"
(1,693.16mm)
72.24"
(1,834.90mm)
-5.58"
(-141.74mm)
24th Driest
Driest since:
1904
101st Wettest
Wettest since:
1986
May 1961–Apr 1966
60-Month
86.50"
(2,197.10mm)
90.24"
(2,292.10mm)
-3.74"
(-95.00mm)
37th Driest
Driest since:
1957
87th Wettest
Wettest since:
1987

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