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, July 1997

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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
July 1997
1-Month
2.14"
(54.36mm)
2.10"
(53.34mm)
0.04"
(1.02mm)
64th Driest
Driest since:
1900
65th Wettest
Wettest since:
1998
Jun–Jul 1997
2-Month
4.35"
(110.49mm)
3.65"
(92.71mm)
0.70"
(17.78mm)
105th Driest
Driest since:
1924
24th Wettest
Wettest since:
1965
Ties: 1925, 2004
May–Jul 1997
3-Month
6.26"
(159.00mm)
5.66"
(143.76mm)
0.60"
(15.24mm)
95th Driest
Driest since:
2002
34th Wettest
Wettest since:
2015
Apr–Jul 1997
4-Month
8.71"
(221.23mm)
7.50"
(190.50mm)
1.21"
(30.73mm)
103rd Driest
Driest since:
2002
26th Wettest
Wettest since:
1957
Mar–Jul 1997
5-Month
9.22"
(234.19mm)
9.02"
(229.11mm)
0.20"
(5.08mm)
74th Driest
Driest since:
2002
55th Wettest
Wettest since:
1957
Feb–Jul 1997
6-Month
10.28"
(261.11mm)
10.11"
(256.79mm)
0.17"
(4.32mm)
74th Driest
Driest since:
2002
55th Wettest
Wettest since:
1995
Ties: 2001
Jan–Jul 1997
7-Month
12.02"
(305.31mm)
11.17"
(283.72mm)
0.85"
(21.59mm)
95th Driest
Driest since:
2002
34th Wettest
Wettest since:
1957
Dec 1996–Jul 1997
8-Month
13.23"
(336.04mm)
12.24"
(310.90mm)
0.99"
(25.14mm)
95th Driest
Driest since:
2002
33rd Wettest
Wettest since:
1957
Nov 1996–Jul 1997
9-Month
14.65"
(372.11mm)
13.31"
(338.07mm)
1.34"
(34.04mm)
98th Driest
Driest since:
2002
30th Wettest
Wettest since:
1957
Oct 1996–Jul 1997
10-Month
16.28"
(413.51mm)
14.64"
(371.86mm)
1.64"
(41.65mm)
98th Driest
Driest since:
2002
30th Wettest
Wettest since:
1995
Sep 1996–Jul 1997
11-Month
18.53"
(470.66mm)
16.07"
(408.18mm)
2.46"
(62.48mm)
114th Driest
Driest since:
2002
14th Wettest
Wettest since:
1995
Aug 1996–Jul 1997
12-Month
20.43"
(518.92mm)
18.08"
(459.23mm)
2.35"
(59.69mm)
109th Driest
Driest since:
2002
19th Wettest
Wettest since:
1995
Feb 1996–Jul 1997
18-Month
30.19"
(766.83mm)
28.21"
(716.53mm)
1.98"
(50.30mm)
97th Driest
Driest since:
2002, 2013
31st Wettest
Wettest since:
1942
Aug 1995–Jul 1997
24-Month
37.35"
(948.69mm)
36.18"
(918.97mm)
1.17"
(29.72mm)
82nd Driest
Driest since:
1902
45th Wettest
Wettest since:
1942
Aug 1994–Jul 1997
36-Month
61.51"
(1,562.35mm)
54.23"
(1,377.44mm)
7.28"
(184.91mm)
121st Driest
Driest since:
1956
5th Wettest
Wettest since:
1943
Aug 1993–Jul 1997
48-Month
78.86"
(2,003.04mm)
72.25"
(1,835.15mm)
6.61"
(167.89mm)
113th Driest
Driest since:
1956
12th Wettest
Wettest since:
1944
Aug 1992–Jul 1997
60-Month
97.88"
(2,486.15mm)
90.27"
(2,292.86mm)
7.61"
(193.29mm)
114th Driest
Driest since:
1954
10th Wettest
Wettest since:
1999

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