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 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
October 2003
1-Month
0.37"
(9.40mm)
1.35"
(34.29mm)
-0.98"
(-24.89mm)
6th Driest
Driest since:
1952
123rd Wettest
Wettest since:
1969
Sep–Oct 2003
2-Month
1.81"
(45.97mm)
2.77"
(70.36mm)
-0.96"
(-24.39mm)
28th Driest
Driest since:
1922
101st Wettest
Wettest since:
1941
Ties: 1900
Aug–Oct 2003
3-Month
3.66"
(92.96mm)
4.80"
(121.92mm)
-1.14"
(-28.96mm)
28th Driest
Driest since:
1944
101st Wettest
Wettest since:
1941
Ties: 2001
Jul–Oct 2003
4-Month
4.68"
(118.87mm)
6.90"
(175.26mm)
-2.22"
(-56.39mm)
10th Driest
Driest since:
1900
119th Wettest
Wettest since:
1941
Jun–Oct 2003
5-Month
6.75"
(171.45mm)
8.45"
(214.63mm)
-1.70"
(-43.18mm)
24th Driest
Driest since:
1900
105th Wettest
Wettest since:
1941
May–Oct 2003
6-Month
8.50"
(215.90mm)
10.46"
(265.68mm)
-1.96"
(-49.78mm)
20th Driest
Driest since:
1939
109th Wettest
Wettest since:
1941
Apr–Oct 2003
7-Month
10.07"
(255.78mm)
12.30"
(312.42mm)
-2.23"
(-56.64mm)
21st Driest
Driest since:
1939
108th Wettest
Wettest since:
1941
Mar–Oct 2003
8-Month
12.26"
(311.40mm)
13.82"
(351.03mm)
-1.56"
(-39.63mm)
35th Driest
Driest since:
1934
94th Wettest
Wettest since:
1941
Feb–Oct 2003
9-Month
13.75"
(349.25mm)
14.91"
(378.71mm)
-1.16"
(-29.46mm)
47th Driest
Driest since:
2002
82nd Wettest
Wettest since:
1941
Jan–Oct 2003
10-Month
14.19"
(360.43mm)
15.97"
(405.64mm)
-1.78"
(-45.21mm)
35th Driest
Driest since:
2002
94th Wettest
Wettest since:
1941
Dec 2002–Oct 2003
11-Month
14.83"
(376.68mm)
17.04"
(432.82mm)
-2.21"
(-56.14mm)
26th Driest
Driest since:
2002
102nd Wettest
Wettest since:
1941
Nov 2002–Oct 2003
12-Month
15.81"
(401.57mm)
18.11"
(459.99mm)
-2.30"
(-58.42mm)
25th Driest
Driest since:
2002
103rd Wettest
Wettest since:
1941
May 2002–Oct 2003
18-Month
23.48"
(596.39mm)
28.55"
(725.17mm)
-5.07"
(-128.78mm)
10th Driest
Driest since:
1901
118th Wettest
Wettest since:
1942
Nov 2001–Oct 2003
24-Month
27.89"
(708.41mm)
36.22"
(919.99mm)
-8.33"
(-211.58mm)
1st Driest
Driest since:
2003
126th Wettest
Wettest since:
1942
Nov 2000–Oct 2003
36-Month
44.50"
(1,130.30mm)
54.28"
(1,378.71mm)
-9.78"
(-248.41mm)
2nd Driest
Driest since:
1956
124th Wettest
Wettest since:
1997
Nov 1999–Oct 2003
48-Month
60.86"
(1,545.84mm)
72.32"
(1,836.93mm)
-11.46"
(-291.09mm)
2nd Driest
Driest since:
1956
123rd Wettest
Wettest since:
1998
Nov 1998–Oct 2003
60-Month
81.76"
(2,076.70mm)
90.35"
(2,294.89mm)
-8.59"
(-218.19mm)
16th Driest
Driest since:
1956
108th Wettest
Wettest since:
1999

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