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, June 2021

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
June 2021
1-Month
1.19"
(30.23mm)
1.54"
(39.12mm)
-0.35"
(-8.89mm)
51st Driest
Driest since:
1924
78th Wettest
Wettest since:
1965
Ties: 1981, 2014
May–Jun 2021
2-Month
4.18"
(106.17mm)
3.56"
(90.42mm)
0.62"
(15.75mm)
97th Driest
Driest since:
2012
32nd Wettest
Wettest since:
1995
Apr–Jun 2021
3-Month
5.19"
(131.83mm)
5.40"
(137.16mm)
-0.21"
(-5.33mm)
62nd Driest
Driest since:
2002
67th Wettest
Wettest since:
1995
Ties: 1897
Mar–Jun 2021
4-Month
7.26"
(184.40mm)
6.91"
(175.51mm)
0.35"
(8.89mm)
78th Driest
Driest since:
2002
51st Wettest
Wettest since:
1995
Feb–Jun 2021
5-Month
8.37"
(212.60mm)
8.00"
(203.20mm)
0.37"
(9.40mm)
85th Driest
Driest since:
2002
44th Wettest
Wettest since:
1995
Jan–Jun 2021
6-Month
9.11"
(231.39mm)
9.06"
(230.12mm)
0.05"
(1.27mm)
73rd Driest
Driest since:
2002
56th Wettest
Wettest since:
1957
Dec 2020–Jun 2021
7-Month
10.07"
(255.78mm)
10.14"
(257.56mm)
-0.07"
(-1.78mm)
70th Driest
Driest since:
2002
58th Wettest
Wettest since:
1957
Nov 2020–Jun 2021
8-Month
10.92"
(277.37mm)
11.21"
(284.73mm)
-0.29"
(-7.36mm)
66th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1995
Oct 2020–Jun 2021
9-Month
11.54"
(293.12mm)
12.54"
(318.52mm)
-1.00"
(-25.40mm)
50th Driest
Driest since:
2002
78th Wettest
Wettest since:
1995
Sep 2020–Jun 2021
10-Month
12.51"
(317.75mm)
13.97"
(354.84mm)
-1.46"
(-37.09mm)
40th Driest
Driest since:
2002
88th Wettest
Wettest since:
1995
Ties: 1959
Aug 2020–Jun 2021
11-Month
13.31"
(338.07mm)
15.98"
(405.89mm)
-2.67"
(-67.82mm)
22nd Driest
Driest since:
2002
106th Wettest
Wettest since:
1995
Jul 2020–Jun 2021
12-Month
15.16"
(385.06mm)
18.08"
(459.23mm)
-2.92"
(-74.17mm)
22nd Driest
Driest since:
2002
106th Wettest
Wettest since:
1942
Jan 2020–Jun 2021
18-Month
21.34"
(542.04mm)
27.16"
(689.86mm)
-5.82"
(-147.82mm)
3rd Driest
Driest since:
2013
125th Wettest
Wettest since:
1942
Jul 2019–Jun 2021
24-Month
28.45"
(722.63mm)
36.18"
(918.97mm)
-7.73"
(-196.34mm)
4th Driest
Driest since:
1902
123rd Wettest
Wettest since:
1942
Jul 2018–Jun 2021
36-Month
48.48"
(1,231.39mm)
54.21"
(1,376.93mm)
-5.73"
(-145.54mm)
20th Driest
Driest since:
2022
106th Wettest
Wettest since:
1943
Jul 2017–Jun 2021
48-Month
63.96"
(1,624.58mm)
72.23"
(1,834.64mm)
-8.27"
(-210.06mm)
10th Driest
Driest since:
1956
115th Wettest
Wettest since:
1944
Jul 2016–Jun 2021
60-Month
81.89"
(2,080.01mm)
90.25"
(2,292.35mm)
-8.36"
(-212.34mm)
15th Driest
Driest since:
1954
109th Wettest
Wettest since:
1987

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