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 1900

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1900
1-Month
1.01"
(25.65mm)
2.10"
(53.34mm)
-1.09"
(-27.69mm)
1st Driest
Driest since:
1900
128th Wettest
Wettest since:
1998
Jun–Jul 1900
2-Month
2.44"
(61.98mm)
3.64"
(92.46mm)
-1.20"
(-30.48mm)
9th Driest
Driest since:
1924
120th Wettest
Wettest since:
1965
May–Jul 1900
3-Month
3.78"
(96.01mm)
5.66"
(143.76mm)
-1.88"
(-47.75mm)
5th Driest
Driest since:
2002
124th Wettest
Wettest since:
2015
Ties: 1963
Apr–Jul 1900
4-Month
9.23"
(234.44mm)
7.50"
(190.50mm)
1.73"
(43.94mm)
113th Driest
Driest since:
2002
16th Wettest
Wettest to Date
1957
Mar–Jul 1900
5-Month
9.73"
(247.14mm)
9.02"
(229.11mm)
0.71"
(18.03mm)
90th Driest
Driest since:
2002
39th Wettest
Wettest since:
1957
Feb–Jul 1900
6-Month
10.80"
(274.32mm)
10.11"
(256.79mm)
0.69"
(17.53mm)
88th Driest
Driest since:
2002
41st Wettest
Wettest since:
1995
Ties: 1967
Jan–Jul 1900
7-Month
11.12"
(282.45mm)
11.17"
(283.72mm)
-0.05"
(-1.27mm)
67th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1957
Dec 1899–Jul 1900
8-Month
12.58"
(319.53mm)
12.24"
(310.90mm)
0.34"
(8.63mm)
78th Driest
Driest since:
2002
50th Wettest
Wettest since:
1957
Nov 1899–Jul 1900
9-Month
13.54"
(343.92mm)
13.31"
(338.07mm)
0.23"
(5.85mm)
73rd Driest
Driest since:
2002
55th Wettest
Wettest since:
1957
Oct 1899–Jul 1900
10-Month
15.47"
(392.94mm)
14.64"
(371.86mm)
0.83"
(21.08mm)
81st Driest
Driest since:
2002
47th Wettest
Wettest since:
1995
Sep 1899–Jul 1900
11-Month
16.17"
(410.72mm)
16.07"
(408.18mm)
0.10"
(2.54mm)
70th Driest
Driest since:
2002
58th Wettest
Wettest since:
1995
Aug 1899–Jul 1900
12-Month
17.91"
(454.91mm)
18.08"
(459.23mm)
-0.17"
(-4.32mm)
63rd Driest
Driest since:
2002
65th Wettest
Wettest since:
1995
Feb 1899–Jul 1900
18-Month
26.60"
(675.64mm)
28.21"
(716.53mm)
-1.61"
(-40.89mm)
43rd Driest
Driest since:
2002, 2013
85th Wettest
Wettest since:
1942
Aug 1898–Jul 1900
24-Month
33.10"
(840.74mm)
36.18"
(918.97mm)
-3.08"
(-78.23mm)
29th Driest
Driest since:
1902
98th Wettest
Wettest since:
1942
Aug 1897–Jul 1900
36-Month
53.13"
(1,349.50mm)
54.23"
(1,377.44mm)
-1.10"
(-27.94mm)
48th Driest
Driest since:
1956
78th Wettest
Wettest since:
1943
Ties: 1946
Aug 1896–Jul 1900
48-Month
72.63"
(1,844.80mm)
72.25"
(1,835.15mm)
0.38"
(9.65mm)
66th Driest
Driest since:
1956
59th Wettest
Wettest to Date
1944
Aug 1895–Jul 1900
60-Month
88.52"
(2,248.41mm)
90.27"
(2,292.86mm)
-1.75"
(-44.45mm)
47th Driest
Driest since:
1954
77th Wettest
Wettest to Date
1999

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