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 2004

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 2004
1-Month
3.15"
(80.01mm)
1.84"
(46.74mm)
1.31"
(33.27mm)
120th Driest
Driest since:
2002
9th Wettest
Wettest since:
1900
Mar–Apr 2004
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: 2003
Feb–Apr 2004
3-Month
5.03"
(127.76mm)
4.44"
(112.78mm)
0.59"
(14.98mm)
96th Driest
Driest since:
2002
33rd Wettest
Wettest since:
1905
Jan–Apr 2004
4-Month
5.93"
(150.62mm)
5.51"
(139.95mm)
0.42"
(10.67mm)
86th Driest
Driest since:
2002
43rd Wettest
Wettest since:
1905
Dec 2003–Apr 2004
5-Month
6.84"
(173.74mm)
6.58"
(167.13mm)
0.26"
(6.61mm)
79th Driest
Driest since:
2002
49th Wettest
Wettest since:
1905
Nov 2003–Apr 2004
6-Month
8.18"
(207.77mm)
7.65"
(194.31mm)
0.53"
(13.46mm)
87th Driest
Driest since:
1904
41st Wettest
Wettest since:
1984
Oct 2003–Apr 2004
7-Month
8.55"
(217.17mm)
8.98"
(228.09mm)
-0.43"
(-10.92mm)
54th Driest
Driest since:
2002
74th Wettest
Wettest since:
1942
Sep 2003–Apr 2004
8-Month
9.99"
(253.75mm)
10.41"
(264.41mm)
-0.42"
(-10.66mm)
55th Driest
Driest since:
1902, 2002
73rd Wettest
Wettest since:
1942
Ties: 2001
Aug 2003–Apr 2004
9-Month
11.84"
(300.74mm)
12.42"
(315.47mm)
-0.58"
(-14.73mm)
54th Driest
Driest since:
2002
74th Wettest
Wettest since:
1942
Jul 2003–Apr 2004
10-Month
12.86"
(326.64mm)
14.52"
(368.81mm)
-1.66"
(-42.17mm)
33rd Driest
Driest since:
1902
95th Wettest
Wettest since:
1942
Jun 2003–Apr 2004
11-Month
14.93"
(379.22mm)
16.07"
(408.18mm)
-1.14"
(-28.96mm)
42nd Driest
Driest since:
1981
86th Wettest
Wettest since:
1942
May 2003–Apr 2004
12-Month
16.68"
(423.67mm)
18.08"
(459.23mm)
-1.40"
(-35.56mm)
44th Driest
Driest since:
2013
84th Wettest
Wettest since:
1942
Nov 2002–Apr 2004
18-Month
23.99"
(609.35mm)
25.76"
(654.30mm)
-1.77"
(-44.95mm)
41st Driest
Driest since:
2013
86th Wettest
Wettest since:
1942
May 2002–Apr 2004
24-Month
31.66"
(804.16mm)
36.16"
(918.46mm)
-4.50"
(-114.30mm)
17th Driest
Driest since:
1902
110th Wettest
Wettest since:
1942
May 2001–Apr 2004
36-Month
45.80"
(1,163.32mm)
54.22"
(1,377.19mm)
-8.42"
(-213.87mm)
8th Driest
Driest since:
1955
118th Wettest
Wettest since:
1985
May 2000–Apr 2004
48-Month
61.63"
(1,565.40mm)
72.24"
(1,834.90mm)
-10.61"
(-269.50mm)
3rd Driest
Driest since:
1904
122nd Wettest
Wettest since:
1986
May 1999–Apr 2004
60-Month
81.14"
(2,060.96mm)
90.24"
(2,292.10mm)
-9.10"
(-231.14mm)
14th Driest
Driest since:
1957
110th Wettest
Wettest since:
1987

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