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 1909

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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 1909
1-Month
3.23"
(82.04mm)
2.93"
(74.42mm)
0.30"
(7.62mm)
96th Driest
Driest since:
1933
33rd Wettest
Wettest since:
1928
Ties: 1948, 1995
May–Jun 1909
2-Month
6.27"
(159.26mm)
5.84"
(148.34mm)
0.43"
(10.92mm)
92nd Driest
Driest since:
1988
37th Wettest
Wettest since:
2015
Apr–Jun 1909
3-Month
8.55"
(217.17mm)
8.35"
(212.09mm)
0.20"
(5.08mm)
74th Driest
Driest since:
1988
55th Wettest
Wettest since:
1957
Ties: 2016
Mar–Jun 1909
4-Month
10.76"
(273.30mm)
10.86"
(275.84mm)
-0.10"
(-2.54mm)
56th Driest
Driest since:
1988
73rd Wettest
Wettest since:
1957
Ties: 1921, 1951
Feb–Jun 1909
5-Month
13.64"
(346.46mm)
13.00"
(330.20mm)
0.64"
(16.26mm)
85th Driest
Driest since:
1988
44th Wettest
Wettest since:
2019
Jan–Jun 1909
6-Month
16.38"
(416.05mm)
15.31"
(388.87mm)
1.07"
(27.18mm)
104th Driest
Driest since:
1988
25th Wettest
Wettest since:
2019
Dec 1908–Jun 1909
7-Month
18.11"
(459.99mm)
17.66"
(448.56mm)
0.45"
(11.43mm)
74th Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Nov 1908–Jun 1909
8-Month
19.78"
(502.41mm)
19.89"
(505.21mm)
-0.11"
(-2.80mm)
56th Driest
Driest since:
1934
72nd Wettest
Wettest since:
2019
Ties: 1900
Oct 1908–Jun 1909
9-Month
21.81"
(553.97mm)
22.05"
(560.07mm)
-0.24"
(-6.10mm)
49th Driest
Driest since:
1934
79th Wettest
Wettest since:
2019
Sep 1908–Jun 1909
10-Month
23.64"
(600.46mm)
24.55"
(623.57mm)
-0.91"
(-23.11mm)
40th Driest
Driest since:
1934
88th Wettest
Wettest since:
2019
Aug 1908–Jun 1909
11-Month
26.52"
(673.61mm)
27.17"
(690.12mm)
-0.65"
(-16.51mm)
46th Driest
Driest since:
1918
82nd Wettest
Wettest since:
2019
Ties: 1971, 1994
Jul 1908–Jun 1909
12-Month
29.53"
(750.06mm)
29.96"
(760.98mm)
-0.43"
(-10.92mm)
48th Driest
Driest since:
1931
80th Wettest
Wettest since:
2019
Jan 1908–Jun 1909
18-Month
46.18"
(1,172.97mm)
45.27"
(1,149.86mm)
0.91"
(23.11mm)
79th Driest
Driest since:
1931
49th Wettest
Wettest since:
2019
Jul 1907–Jun 1909
24-Month
61.21"
(1,554.73mm)
59.93"
(1,522.22mm)
1.28"
(32.51mm)
81st Driest
Driest since:
1931
46th Wettest
Wettest since:
2020
Jul 1906–Jun 1909
36-Month
94.17"
(2,391.92mm)
89.89"
(2,283.21mm)
4.28"
(108.71mm)
100th Driest
Driest since:
1956
26th Wettest
Wettest since:
2019
Jul 1905–Jun 1909
48-Month
125.25"
(3,181.35mm)
119.79"
(3,042.67mm)
5.46"
(138.68mm)
100th Driest
Driest since:
1956
25th Wettest
Wettest since:
2019
Jul 1904–Jun 1909
60-Month
155.35"
(3,945.89mm)
149.66"
(3,801.36mm)
5.69"
(144.53mm)
98th Driest
Driest since:
1934
26th Wettest
Wettest to Date
2020

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