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 2003

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 2003
1-Month
1.57"
(39.88mm)
1.84"
(46.74mm)
-0.27"
(-6.86mm)
62nd Driest
Driest since:
2002
67th Wettest
Wettest since:
1900
Ties: 1965
Mar–Apr 2003
2-Month
3.76"
(95.50mm)
3.35"
(85.09mm)
0.41"
(10.41mm)
94th Driest
Driest since:
2002
35th Wettest
Wettest since:
1906
Ties: 2004
Feb–Apr 2003
3-Month
5.25"
(133.35mm)
4.44"
(112.78mm)
0.81"
(20.57mm)
103rd Driest
Driest since:
2002
26th Wettest
Wettest since:
1905
Jan–Apr 2003
4-Month
5.69"
(144.53mm)
5.51"
(139.95mm)
0.18"
(4.58mm)
80th Driest
Driest since:
2002
49th Wettest
Wettest since:
1905
Ties: 1978
Dec 2002–Apr 2003
5-Month
6.33"
(160.78mm)
6.58"
(167.13mm)
-0.25"
(-6.35mm)
64th Driest
Driest since:
2002
64th Wettest
Wettest since:
1905
Nov 2002–Apr 2003
6-Month
7.31"
(185.67mm)
7.65"
(194.31mm)
-0.34"
(-8.64mm)
58th Driest
Driest since:
1904
70th Wettest
Wettest since:
1984
Ties: 1917
Oct 2002–Apr 2003
7-Month
8.93"
(226.82mm)
8.98"
(228.09mm)
-0.05"
(-1.27mm)
66th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1942
Sep 2002–Apr 2003
8-Month
11.03"
(280.16mm)
10.41"
(264.41mm)
0.62"
(15.75mm)
79th Driest
Driest since:
1902, 2002
49th Wettest
Wettest since:
1942
Aug 2002–Apr 2003
9-Month
12.52"
(318.01mm)
12.42"
(315.47mm)
0.10"
(2.54mm)
68th Driest
Driest since:
2002
60th Wettest
Wettest since:
1942
Jul 2002–Apr 2003
10-Month
13.54"
(343.92mm)
14.52"
(368.81mm)
-0.98"
(-24.89mm)
46th Driest
Driest since:
1902
82nd Wettest
Wettest since:
1942
Jun 2002–Apr 2003
11-Month
14.41"
(366.01mm)
16.07"
(408.18mm)
-1.66"
(-42.17mm)
37th Driest
Driest since:
1981
91st Wettest
Wettest since:
1942
May 2002–Apr 2003
12-Month
14.98"
(380.49mm)
18.08"
(459.23mm)
-3.10"
(-78.74mm)
17th Driest
Driest since:
2013
111th Wettest
Wettest since:
1942
Ties: 1923
Nov 2001–Apr 2003
18-Month
19.39"
(492.51mm)
25.76"
(654.30mm)
-6.37"
(-161.79mm)
2nd Driest
Driest since:
2013
125th Wettest
Wettest since:
1942
May 2001–Apr 2003
24-Month
29.12"
(739.65mm)
36.16"
(918.46mm)
-7.04"
(-178.81mm)
4th Driest
Driest since:
1902
123rd Wettest
Wettest since:
1942
May 2000–Apr 2003
36-Month
44.95"
(1,141.73mm)
54.22"
(1,377.19mm)
-9.27"
(-235.46mm)
3rd Driest
Driest since:
1955
123rd Wettest
Wettest since:
1985
Ties: 2022
May 1999–Apr 2003
48-Month
64.46"
(1,637.28mm)
72.24"
(1,834.90mm)
-7.78"
(-197.62mm)
16th Driest
Driest since:
1904
109th Wettest
Wettest since:
1986
May 1998–Apr 2003
60-Month
84.56"
(2,147.82mm)
90.24"
(2,292.10mm)
-5.68"
(-144.28mm)
28th Driest
Driest since:
1957
96th Wettest
Wettest since:
1987

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