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 1988

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
June 1988
1-Month
1.61"
(40.89mm)
2.93"
(74.42mm)
-1.32"
(-33.53mm)
2nd Driest
Driest since:
1933
127th Wettest
Wettest since:
1928
May–Jun 1988
2-Month
3.68"
(93.47mm)
5.84"
(148.34mm)
-2.16"
(-54.87mm)
1st Driest
Driest to Date
1988
128th Wettest
Wettest since:
2015
Apr–Jun 1988
3-Month
6.00"
(152.40mm)
8.35"
(212.09mm)
-2.35"
(-59.69mm)
1st Driest
Driest to Date
1988
128th Wettest
Wettest since:
1957
Mar–Jun 1988
4-Month
8.04"
(204.22mm)
10.86"
(275.84mm)
-2.82"
(-71.62mm)
1st Driest
Driest to Date
1988
128th Wettest
Wettest since:
1957
Feb–Jun 1988
5-Month
9.56"
(242.82mm)
13.00"
(330.20mm)
-3.44"
(-87.38mm)
1st Driest
Driest to Date
1988
128th Wettest
Wettest since:
2019
Jan–Jun 1988
6-Month
11.53"
(292.86mm)
15.31"
(388.87mm)
-3.78"
(-96.01mm)
1st Driest
Driest to Date
1988
128th Wettest
Wettest since:
2019
Dec 1987–Jun 1988
7-Month
14.40"
(365.76mm)
17.66"
(448.56mm)
-3.26"
(-82.80mm)
2nd Driest
Driest since:
1931
126th Wettest
Wettest since:
2019
Nov 1987–Jun 1988
8-Month
16.95"
(430.53mm)
19.89"
(505.21mm)
-2.94"
(-74.68mm)
7th Driest
Driest since:
1934
121st Wettest
Wettest since:
2019
Oct 1987–Jun 1988
9-Month
18.10"
(459.74mm)
22.05"
(560.07mm)
-3.95"
(-100.33mm)
5th Driest
Driest since:
1934
123rd Wettest
Wettest since:
2019
Sep 1987–Jun 1988
10-Month
20.29"
(515.37mm)
24.55"
(623.57mm)
-4.26"
(-108.20mm)
3rd Driest
Driest since:
1934
125th Wettest
Wettest since:
2019
Aug 1987–Jun 1988
11-Month
23.03"
(584.96mm)
27.17"
(690.12mm)
-4.14"
(-105.16mm)
5th Driest
Driest since:
1918
123rd Wettest
Wettest since:
2019
Jul 1987–Jun 1988
12-Month
25.86"
(656.84mm)
29.96"
(760.98mm)
-4.10"
(-104.14mm)
7th Driest
Driest since:
1931
121st Wettest
Wettest since:
2019
Jan 1987–Jun 1988
18-Month
40.54"
(1,029.72mm)
45.27"
(1,149.86mm)
-4.73"
(-120.14mm)
8th Driest
Driest since:
1931
120th Wettest
Wettest since:
2019
Jul 1986–Jun 1988
24-Month
57.45"
(1,459.23mm)
59.93"
(1,522.22mm)
-2.48"
(-62.99mm)
25th Driest
Driest since:
1931
102nd Wettest
Wettest since:
2020
Jul 1985–Jun 1988
36-Month
88.75"
(2,254.25mm)
89.89"
(2,283.21mm)
-1.14"
(-28.96mm)
46th Driest
Driest since:
1956
80th Wettest
Wettest since:
2019
Jul 1984–Jun 1988
48-Month
118.05"
(2,998.47mm)
119.79"
(3,042.67mm)
-1.74"
(-44.20mm)
45th Driest
Driest since:
1956
80th Wettest
Wettest since:
2019
Jul 1983–Jun 1988
60-Month
149.97"
(3,809.24mm)
149.66"
(3,801.36mm)
0.31"
(7.88mm)
62nd Driest
Driest since:
1934
62nd Wettest
Wettest since:
2020

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