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 1899

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1899
1-Month
0.81"
(20.57mm)
1.84"
(46.74mm)
-1.03"
(-26.17mm)
10th Driest
Driest since:
2002
119th Wettest
Wettest since:
1900
Mar–Apr 1899
2-Month
2.40"
(60.96mm)
3.35"
(85.09mm)
-0.95"
(-24.13mm)
29th Driest
Driest since:
2002
100th Wettest
Wettest since:
1906
Feb–Apr 1899
3-Month
4.03"
(102.36mm)
4.44"
(112.78mm)
-0.41"
(-10.42mm)
51st Driest
Driest since:
2002
78th Wettest
Wettest since:
1905
Jan–Apr 1899
4-Month
5.10"
(129.54mm)
5.51"
(139.95mm)
-0.41"
(-10.41mm)
51st Driest
Driest since:
2002
78th Wettest
Wettest since:
1905
Dec 1898–Apr 1899
5-Month
6.29"
(159.77mm)
6.58"
(167.13mm)
-0.29"
(-7.36mm)
61st Driest
Driest since:
2002
67th Wettest
Wettest since:
1905
Nov 1898–Apr 1899
6-Month
7.49"
(190.25mm)
7.65"
(194.31mm)
-0.16"
(-4.06mm)
65th Driest
Driest since:
1904
63rd Wettest
Wettest since:
1984
Ties: 1940
Oct 1898–Apr 1899
7-Month
8.28"
(210.31mm)
8.98"
(228.09mm)
-0.70"
(-17.78mm)
48th Driest
Driest since:
2002
80th Wettest
Wettest since:
1942
Sep 1898–Apr 1899
8-Month
9.08"
(230.63mm)
10.41"
(264.41mm)
-1.33"
(-33.78mm)
37th Driest
Driest since:
1902, 2002
91st Wettest
Wettest since:
1942
Aug 1898–Apr 1899
9-Month
10.53"
(267.46mm)
12.42"
(315.47mm)
-1.89"
(-48.01mm)
29th Driest
Driest since:
2002
99th Wettest
Wettest since:
1942
Jul 1898–Apr 1899
10-Month
12.89"
(327.41mm)
14.52"
(368.81mm)
-1.63"
(-41.40mm)
34th Driest
Driest since:
1902
94th Wettest
Wettest since:
1942
Ties: 1908, 1934
Jun 1898–Apr 1899
11-Month
14.50"
(368.30mm)
16.07"
(408.18mm)
-1.57"
(-39.88mm)
38th Driest
Driest since:
1981
90th Wettest
Wettest since:
1942
May 1898–Apr 1899
12-Month
18.12"
(460.25mm)
18.08"
(459.23mm)
0.04"
(1.02mm)
64th Driest
Driest since:
2013
64th Wettest
Wettest since:
1942
Nov 1897–Apr 1899
18-Month
24.10"
(612.14mm)
25.76"
(654.30mm)
-1.66"
(-42.16mm)
43rd Driest
Driest since:
2013
84th Wettest
Wettest since:
1942
Ties: 2012
May 1897–Apr 1899
24-Month
36.59"
(929.39mm)
36.16"
(918.46mm)
0.43"
(10.93mm)
74th Driest
Driest since:
1902
53rd Wettest
Wettest since:
1942
May 1896–Apr 1899
36-Month
54.80"
(1,391.92mm)
54.22"
(1,377.19mm)
0.58"
(14.73mm)
67th Driest
Driest since:
1955
59th Wettest
Wettest since:
1985
May 1895–Apr 1899
48-Month
73.67"
(1,871.22mm)
72.24"
(1,834.90mm)
1.43"
(36.32mm)
72nd Driest
Driest since:
1904
53rd Wettest
Wettest to Date
1986

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