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, October 2013

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
October 2013
1-Month
1.51"
(38.35mm)
1.35"
(34.29mm)
0.16"
(4.06mm)
83rd Driest
Driest since:
1952
46th Wettest
Wettest since:
1969
Sep–Oct 2013
2-Month
5.39"
(136.91mm)
2.77"
(70.36mm)
2.62"
(66.55mm)
126th Driest
Driest since:
1922
3rd Wettest
Wettest since:
1941
Aug–Oct 2013
3-Month
7.63"
(193.80mm)
4.80"
(121.92mm)
2.83"
(71.88mm)
124th Driest
Driest since:
1944
5th Wettest
Wettest since:
1941
Jul–Oct 2013
4-Month
10.07"
(255.78mm)
6.90"
(175.26mm)
3.17"
(80.52mm)
124th Driest
Driest since:
1900
5th Wettest
Wettest since:
1941
Jun–Oct 2013
5-Month
10.73"
(272.54mm)
8.45"
(214.63mm)
2.28"
(57.91mm)
120th Driest
Driest since:
1900
9th Wettest
Wettest since:
1941
May–Oct 2013
6-Month
12.28"
(311.91mm)
10.46"
(265.68mm)
1.82"
(46.23mm)
108th Driest
Driest since:
1939
21st Wettest
Wettest since:
1941
Apr–Oct 2013
7-Month
13.95"
(354.33mm)
12.30"
(312.42mm)
1.65"
(41.91mm)
108th Driest
Driest since:
1939
21st Wettest
Wettest since:
1941
Ties: 1938
Mar–Oct 2013
8-Month
15.02"
(381.51mm)
13.82"
(351.03mm)
1.20"
(30.48mm)
95th Driest
Driest since:
1934
34th Wettest
Wettest since:
1941
Feb–Oct 2013
9-Month
15.91"
(404.11mm)
14.91"
(378.71mm)
1.00"
(25.40mm)
94th Driest
Driest since:
2002
35th Wettest
Wettest since:
1941
Jan–Oct 2013
10-Month
16.82"
(427.23mm)
15.97"
(405.64mm)
0.85"
(21.59mm)
87th Driest
Driest since:
2002
42nd Wettest
Wettest since:
1941
Dec 2012–Oct 2013
11-Month
18.13"
(460.50mm)
17.04"
(432.82mm)
1.09"
(27.68mm)
91st Driest
Driest since:
2002
37th Wettest
Wettest since:
1941
Nov 2012–Oct 2013
12-Month
18.57"
(471.68mm)
18.11"
(459.99mm)
0.46"
(11.69mm)
80th Driest
Driest since:
2002
48th Wettest
Wettest since:
1941
May 2012–Oct 2013
18-Month
25.25"
(641.35mm)
28.55"
(725.17mm)
-3.30"
(-83.82mm)
23rd Driest
Driest since:
1901
105th Wettest
Wettest since:
1942
Nov 2011–Oct 2013
24-Month
31.03"
(788.16mm)
36.22"
(919.99mm)
-5.19"
(-131.83mm)
16th Driest
Driest since:
2003
111th Wettest
Wettest since:
1942
Nov 2010–Oct 2013
36-Month
49.35"
(1,253.49mm)
54.28"
(1,378.71mm)
-4.93"
(-125.22mm)
26th Driest
Driest since:
1956
100th Wettest
Wettest since:
1997
Nov 2009–Oct 2013
48-Month
66.85"
(1,697.99mm)
72.32"
(1,836.93mm)
-5.47"
(-138.94mm)
25th Driest
Driest since:
1956
100th Wettest
Wettest since:
1998
Nov 2008–Oct 2013
60-Month
86.48"
(2,196.59mm)
90.35"
(2,294.89mm)
-3.87"
(-98.30mm)
43rd Driest
Driest since:
1956
81st Wettest
Wettest since:
1999

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