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 1997

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1997
1-Month
2.25"
(57.15mm)
1.35"
(34.29mm)
0.90"
(22.86mm)
112th Driest
Driest since:
1952
17th Wettest
Wettest since:
1969
Sep–Oct 1997
2-Month
4.68"
(118.87mm)
2.77"
(70.36mm)
1.91"
(48.51mm)
124th Driest
Driest since:
1922
5th Wettest
Wettest since:
1941
Aug–Oct 1997
3-Month
8.13"
(206.50mm)
4.80"
(121.92mm)
3.33"
(84.58mm)
127th Driest
Driest since:
1944
2nd Wettest
Wettest since:
1941
Jul–Oct 1997
4-Month
10.27"
(260.86mm)
6.90"
(175.26mm)
3.37"
(85.60mm)
125th Driest
Driest since:
1900
4th Wettest
Wettest since:
1941
Jun–Oct 1997
5-Month
12.48"
(316.99mm)
8.45"
(214.63mm)
4.03"
(102.36mm)
124th Driest
Driest since:
1900
5th Wettest
Wettest since:
1941
May–Oct 1997
6-Month
14.39"
(365.51mm)
10.46"
(265.68mm)
3.93"
(99.83mm)
124th Driest
Driest since:
1939
5th Wettest
Wettest since:
1941
Ties: 1957
Apr–Oct 1997
7-Month
16.84"
(427.74mm)
12.30"
(312.42mm)
4.54"
(115.32mm)
125th Driest
Driest since:
1939
4th Wettest
Wettest since:
1941
Mar–Oct 1997
8-Month
17.35"
(440.69mm)
13.82"
(351.03mm)
3.53"
(89.66mm)
121st Driest
Driest since:
1934
8th Wettest
Wettest since:
1941
Feb–Oct 1997
9-Month
18.41"
(467.61mm)
14.91"
(378.71mm)
3.50"
(88.90mm)
121st Driest
Driest since:
2002
8th Wettest
Wettest since:
1941
Jan–Oct 1997
10-Month
20.15"
(511.81mm)
15.97"
(405.64mm)
4.18"
(106.17mm)
121st Driest
Driest since:
2002
8th Wettest
Wettest since:
1941
Dec 1996–Oct 1997
11-Month
21.36"
(542.54mm)
17.04"
(432.82mm)
4.32"
(109.72mm)
122nd Driest
Driest since:
2002
6th Wettest
Wettest since:
1941
Nov 1996–Oct 1997
12-Month
22.78"
(578.61mm)
18.11"
(459.99mm)
4.67"
(118.62mm)
121st Driest
Driest since:
2002
7th Wettest
Wettest since:
1941
May 1996–Oct 1997
18-Month
34.59"
(878.59mm)
28.55"
(725.17mm)
6.04"
(153.42mm)
125th Driest
Driest since:
1901
3rd Wettest
Wettest since:
1942
Nov 1995–Oct 1997
24-Month
41.53"
(1,054.86mm)
36.22"
(919.99mm)
5.31"
(134.87mm)
118th Driest
Driest since:
2003
9th Wettest
Wettest since:
1942
Nov 1994–Oct 1997
36-Month
64.12"
(1,628.65mm)
54.28"
(1,378.71mm)
9.84"
(249.94mm)
125th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1997
Nov 1993–Oct 1997
48-Month
80.93"
(2,055.62mm)
72.32"
(1,836.93mm)
8.61"
(218.69mm)
118th Driest
Driest since:
1956
7th Wettest
Wettest since:
1998
Nov 1992–Oct 1997
60-Month
101.51"
(2,578.35mm)
90.35"
(2,294.89mm)
11.16"
(283.46mm)
121st Driest
Driest since:
1956
3rd Wettest
Wettest since:
1999

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