National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, June 2020

View Period (Months):
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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
June 2020
1-Month
2.73"
(69.34mm)
2.93"
(74.42mm)
-0.20"
(-5.08mm)
40th Driest
Driest since:
1933
89th Wettest
Wettest since:
1928
May–Jun 2020
2-Month
5.82"
(147.83mm)
5.84"
(148.34mm)
-0.02"
(-0.51mm)
59th Driest
Driest since:
1988
70th Wettest
Wettest since:
2015
Ties: 1959
Apr–Jun 2020
3-Month
8.34"
(211.84mm)
8.35"
(212.09mm)
-0.01"
(-0.25mm)
65th Driest
Driest since:
1988
64th Wettest
Wettest since:
1957
Mar–Jun 2020
4-Month
11.20"
(284.48mm)
10.86"
(275.84mm)
0.34"
(8.64mm)
77th Driest
Driest since:
1988
52nd Wettest
Wettest since:
1957
Feb–Jun 2020
5-Month
13.65"
(346.71mm)
13.00"
(330.20mm)
0.65"
(16.51mm)
86th Driest
Driest since:
1988
43rd Wettest
Wettest since:
2019
Jan–Jun 2020
6-Month
16.41"
(416.81mm)
15.31"
(388.87mm)
1.10"
(27.94mm)
105th Driest
Driest since:
1988
24th Wettest
Wettest since:
2019
Dec 2019–Jun 2020
7-Month
18.98"
(482.09mm)
17.66"
(448.56mm)
1.32"
(33.53mm)
104th Driest
Driest since:
1931
24th Wettest
Wettest since:
2019
Nov 2019–Jun 2020
8-Month
20.92"
(531.37mm)
19.89"
(505.21mm)
1.03"
(26.16mm)
93rd Driest
Driest since:
1934
35th Wettest
Wettest since:
2019
Oct 2019–Jun 2020
9-Month
24.11"
(612.39mm)
22.05"
(560.07mm)
2.06"
(52.32mm)
110th Driest
Driest since:
1934
18th Wettest
Wettest since:
2019
Sep 2019–Jun 2020
10-Month
26.56"
(674.62mm)
24.55"
(623.57mm)
2.01"
(51.05mm)
107th Driest
Driest since:
1934
21st Wettest
Wettest since:
2019
Aug 2019–Jun 2020
11-Month
29.34"
(745.24mm)
27.17"
(690.12mm)
2.17"
(55.12mm)
105th Driest
Driest since:
1918
23rd Wettest
Wettest since:
2019
Jul 2019–Jun 2020
12-Month
32.10"
(815.34mm)
29.96"
(760.98mm)
2.14"
(54.36mm)
105th Driest
Driest since:
1931
23rd Wettest
Wettest since:
2019
Jan 2019–Jun 2020
18-Month
51.23"
(1,301.24mm)
45.27"
(1,149.86mm)
5.96"
(151.38mm)
125th Driest
Driest since:
1931
3rd Wettest
Wettest since:
2019
Jul 2018–Jun 2020
24-Month
70.03"
(1,778.76mm)
59.93"
(1,522.22mm)
10.10"
(256.54mm)
126th Driest
Driest since:
1931
1st Wettest
Wettest to Date
2020
Jul 2017–Jun 2020
36-Month
100.18"
(2,544.57mm)
89.89"
(2,283.21mm)
10.29"
(261.36mm)
123rd Driest
Driest since:
1956
3rd Wettest
Wettest since:
2019
Jul 2016–Jun 2020
48-Month
134.17"
(3,407.92mm)
119.79"
(3,042.67mm)
14.38"
(365.25mm)
123rd Driest
Driest since:
1956
2nd Wettest
Wettest since:
2019
Jul 2015–Jun 2020
60-Month
167.68"
(4,259.07mm)
149.66"
(3,801.36mm)
18.02"
(457.71mm)
123rd Driest
Driest since:
1934
1st Wettest
Wettest to Date
2020

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