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, March 2015

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
March 2015
1-Month
0.86"
(21.84mm)
1.52"
(38.61mm)
-0.66"
(-16.77mm)
19th Driest
Driest since:
1966
110th Wettest
Wettest since:
1906
Feb–Mar 2015
2-Month
2.21"
(56.13mm)
2.61"
(66.29mm)
-0.40"
(-10.16mm)
44th Driest
Driest since:
1966
85th Wettest
Wettest since:
1905
Jan–Mar 2015
3-Month
2.86"
(72.64mm)
3.67"
(93.22mm)
-0.81"
(-20.58mm)
23rd Driest
Driest since:
1966
106th Wettest
Wettest since:
1980
Ties: 1955
Dec 2014–Mar 2015
4-Month
4.17"
(105.92mm)
4.74"
(120.40mm)
-0.57"
(-14.48mm)
39th Driest
Driest since:
1977
89th Wettest
Wettest since:
1979
Ties: 1991
Nov 2014–Mar 2015
5-Month
5.29"
(134.37mm)
5.81"
(147.57mm)
-0.52"
(-13.20mm)
46th Driest
Driest since:
1977
82nd Wettest
Wettest since:
1979
Oct 2014–Mar 2015
6-Month
6.37"
(161.80mm)
7.14"
(181.36mm)
-0.77"
(-19.56mm)
41st Driest
Driest since:
1977
87th Wettest
Wettest since:
1909
Ties: 2022
Sep 2014–Mar 2015
7-Month
8.45"
(214.63mm)
8.57"
(217.68mm)
-0.12"
(-3.05mm)
63rd Driest
Driest since:
1902
65th Wettest
Wettest since:
1942
Aug 2014–Mar 2015
8-Month
11.04"
(280.42mm)
10.58"
(268.73mm)
0.46"
(11.69mm)
78th Driest
Driest since:
1901
50th Wettest
Wettest since:
1942
Ties: 1986
Jul 2014–Mar 2015
9-Month
13.80"
(350.52mm)
12.68"
(322.07mm)
1.12"
(28.45mm)
86th Driest
Driest since:
1901
42nd Wettest
Wettest since:
1942
Jun 2014–Mar 2015
10-Month
14.99"
(380.75mm)
14.23"
(361.44mm)
0.76"
(19.31mm)
84th Driest
Driest since:
1901
44th Wettest
Wettest since:
1942
May 2014–Mar 2015
11-Month
17.14"
(435.36mm)
16.25"
(412.75mm)
0.89"
(22.61mm)
84th Driest
Driest since:
1901
44th Wettest
Wettest since:
1942
Apr 2014–Mar 2015
12-Month
18.49"
(469.65mm)
18.13"
(460.50mm)
0.36"
(9.15mm)
74th Driest
Driest since:
1935
54th Wettest
Wettest since:
1942
Oct 2013–Mar 2015
18-Month
25.48"
(647.19mm)
25.26"
(641.60mm)
0.22"
(5.59mm)
72nd Driest
Driest since:
1935
55th Wettest
Wettest since:
1942
Ties: 1917
Apr 2013–Mar 2015
24-Month
37.92"
(963.17mm)
36.17"
(918.72mm)
1.75"
(44.45mm)
87th Driest
Driest since:
1977
40th Wettest
Wettest since:
1943
Apr 2012–Mar 2015
36-Month
50.60"
(1,285.24mm)
54.22"
(1,377.19mm)
-3.62"
(-91.95mm)
33rd Driest
Driest since:
1977
93rd Wettest
Wettest since:
1943
Apr 2011–Mar 2015
48-Month
67.68"
(1,719.07mm)
72.23"
(1,834.64mm)
-4.55"
(-115.57mm)
31st Driest
Driest since:
2004
94th Wettest
Wettest since:
1987
Apr 2010–Mar 2015
60-Month
85.08"
(2,161.03mm)
90.23"
(2,291.84mm)
-5.15"
(-130.81mm)
30th Driest
Driest since:
1957
94th Wettest
Wettest since:
1987

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