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 1899

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1899
1-Month
2.69"
(68.33mm)
2.10"
(53.34mm)
0.59"
(14.99mm)
104th Driest
Driest since:
1900
25th Wettest
Wettest since:
1998
Ties: 1991
Jun–Jul 1899
2-Month
4.01"
(101.85mm)
3.65"
(92.71mm)
0.36"
(9.14mm)
90th Driest
Driest since:
1924
39th Wettest
Wettest since:
1965
May–Jul 1899
3-Month
4.66"
(118.36mm)
5.66"
(143.76mm)
-1.00"
(-25.40mm)
31st Driest
Driest since:
2002
98th Wettest
Wettest since:
2015
Apr–Jul 1899
4-Month
5.47"
(138.94mm)
7.50"
(190.50mm)
-2.03"
(-51.56mm)
12th Driest
Driest since:
2002
117th Wettest
Wettest since:
1957
Mar–Jul 1899
5-Month
7.06"
(179.32mm)
9.02"
(229.11mm)
-1.96"
(-49.79mm)
18th Driest
Driest since:
2002
111th Wettest
Wettest since:
1957
Feb–Jul 1899
6-Month
8.69"
(220.73mm)
10.11"
(256.79mm)
-1.42"
(-36.06mm)
31st Driest
Driest since:
2002
98th Wettest
Wettest since:
1995
Jan–Jul 1899
7-Month
9.76"
(247.90mm)
11.17"
(283.72mm)
-1.41"
(-35.82mm)
34th Driest
Driest since:
2002
95th Wettest
Wettest since:
1957
Dec 1898–Jul 1899
8-Month
10.95"
(278.13mm)
12.24"
(310.90mm)
-1.29"
(-32.77mm)
37th Driest
Driest since:
2002
91st Wettest
Wettest since:
1957
Nov 1898–Jul 1899
9-Month
12.15"
(308.61mm)
13.31"
(338.07mm)
-1.16"
(-29.46mm)
42nd Driest
Driest since:
2002
86th Wettest
Wettest since:
1957
Ties: 2003
Oct 1898–Jul 1899
10-Month
12.94"
(328.68mm)
14.64"
(371.86mm)
-1.70"
(-43.18mm)
36th Driest
Driest since:
2002
92nd Wettest
Wettest since:
1995
Sep 1898–Jul 1899
11-Month
13.74"
(349.00mm)
16.07"
(408.18mm)
-2.33"
(-59.18mm)
26th Driest
Driest since:
2002
102nd Wettest
Wettest since:
1995
Aug 1898–Jul 1899
12-Month
15.19"
(385.83mm)
18.08"
(459.23mm)
-2.89"
(-73.40mm)
20th Driest
Driest since:
2002
108th Wettest
Wettest since:
1995
Feb 1898–Jul 1899
18-Month
25.75"
(654.05mm)
28.21"
(716.53mm)
-2.46"
(-62.48mm)
32nd Driest
Driest since:
2002, 2013
96th Wettest
Wettest since:
1942
Aug 1897–Jul 1899
24-Month
35.22"
(894.59mm)
36.18"
(918.97mm)
-0.96"
(-24.38mm)
52nd Driest
Driest since:
1902
75th Wettest
Wettest since:
1942
Aug 1896–Jul 1899
36-Month
54.72"
(1,389.89mm)
54.23"
(1,377.44mm)
0.49"
(12.45mm)
70th Driest
Driest since:
1956
56th Wettest
Wettest since:
1943
Aug 1895–Jul 1899
48-Month
70.61"
(1,793.49mm)
72.25"
(1,835.15mm)
-1.64"
(-41.66mm)
49th Driest
Driest since:
1956
76th Wettest
Wettest to Date
1944

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