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 1998

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1998
1-Month
2.50"
(63.50mm)
1.35"
(34.29mm)
1.15"
(29.21mm)
119th Driest
Driest since:
1952
10th Wettest
Wettest since:
1969
Sep–Oct 1998
2-Month
3.39"
(86.11mm)
2.77"
(70.36mm)
0.62"
(15.75mm)
95th Driest
Driest since:
1922
34th Wettest
Wettest since:
1941
Aug–Oct 1998
3-Month
5.24"
(133.10mm)
4.80"
(121.92mm)
0.44"
(11.18mm)
82nd Driest
Driest since:
1944
47th Wettest
Wettest since:
1941
Jul–Oct 1998
4-Month
9.03"
(229.36mm)
6.90"
(175.26mm)
2.13"
(54.10mm)
117th Driest
Driest since:
1900
12th Wettest
Wettest since:
1941
Jun–Oct 1998
5-Month
10.24"
(260.10mm)
8.45"
(214.63mm)
1.79"
(45.47mm)
111th Driest
Driest since:
1900
18th Wettest
Wettest since:
1941
Ties: 1982
May–Oct 1998
6-Month
11.30"
(287.02mm)
10.46"
(265.68mm)
0.84"
(21.34mm)
88th Driest
Driest since:
1939
41st Wettest
Wettest since:
1941
Apr–Oct 1998
7-Month
13.07"
(331.98mm)
12.30"
(312.42mm)
0.77"
(19.56mm)
88th Driest
Driest since:
1939
41st Wettest
Wettest since:
1941
Ties: 1996
Mar–Oct 1998
8-Month
14.92"
(378.97mm)
13.82"
(351.03mm)
1.10"
(27.94mm)
92nd Driest
Driest since:
1934
37th Wettest
Wettest since:
1941
Feb–Oct 1998
9-Month
16.00"
(406.40mm)
14.91"
(378.71mm)
1.09"
(27.69mm)
95th Driest
Driest since:
2002
34th Wettest
Wettest since:
1941
Jan–Oct 1998
10-Month
16.80"
(426.72mm)
15.97"
(405.64mm)
0.83"
(21.08mm)
86th Driest
Driest since:
2002
43rd Wettest
Wettest since:
1941
Dec 1997–Oct 1998
11-Month
17.66"
(448.56mm)
17.04"
(432.82mm)
0.62"
(15.74mm)
83rd Driest
Driest since:
2002
45th Wettest
Wettest since:
1941
Nov 1997–Oct 1998
12-Month
18.89"
(479.81mm)
18.11"
(459.99mm)
0.78"
(19.82mm)
87th Driest
Driest since:
2002
41st Wettest
Wettest since:
1941
May 1997–Oct 1998
18-Month
33.28"
(845.31mm)
28.55"
(725.17mm)
4.73"
(120.14mm)
123rd Driest
Driest since:
1901
5th Wettest
Wettest since:
1942
Nov 1996–Oct 1998
24-Month
41.67"
(1,058.42mm)
36.22"
(919.99mm)
5.45"
(138.43mm)
119th Driest
Driest since:
2003
8th Wettest
Wettest since:
1942
Nov 1995–Oct 1998
36-Month
60.42"
(1,534.67mm)
54.28"
(1,378.71mm)
6.14"
(155.96mm)
116th Driest
Driest since:
1956
10th Wettest
Wettest since:
1997
Nov 1994–Oct 1998
48-Month
83.01"
(2,108.45mm)
72.32"
(1,836.93mm)
10.69"
(271.52mm)
124th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1998
Nov 1993–Oct 1998
60-Month
99.82"
(2,535.43mm)
90.35"
(2,294.89mm)
9.47"
(240.54mm)
118th Driest
Driest since:
1956
6th Wettest
Wettest since:
1999

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