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, July 1958

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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
July 1958
1-Month
3.86"
(98.04mm)
2.78"
(70.61mm)
1.08"
(27.43mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest since:
1950, 1958
Ties: 1950
Jun–Jul 1958
2-Month
7.06"
(179.32mm)
5.70"
(144.78mm)
1.36"
(34.54mm)
127th Driest
Driest since:
1930
2nd Wettest
Wettest since:
1928
May–Jul 1958
3-Month
9.52"
(241.81mm)
8.62"
(218.95mm)
0.90"
(22.86mm)
107th Driest
Driest since:
1988
22nd Wettest
Wettest since:
2015
Apr–Jul 1958
4-Month
12.57"
(319.28mm)
11.13"
(282.70mm)
1.44"
(36.58mm)
115th Driest
Driest since:
1934
14th Wettest
Wettest since:
2015
Mar–Jul 1958
5-Month
15.23"
(386.84mm)
13.64"
(346.46mm)
1.59"
(40.38mm)
113th Driest
Driest since:
1936
16th Wettest
Wettest since:
1973
Feb–Jul 1958
6-Month
17.66"
(448.56mm)
15.78"
(400.81mm)
1.88"
(47.75mm)
115th Driest
Driest since:
1934
14th Wettest
Wettest since:
2019
Jan–Jul 1958
7-Month
19.95"
(506.73mm)
18.09"
(459.49mm)
1.86"
(47.24mm)
114th Driest
Driest since:
1934
15th Wettest
Wettest since:
2019
Ties: 1991
Dec 1957–Jul 1958
8-Month
22.35"
(567.69mm)
20.43"
(518.92mm)
1.92"
(48.77mm)
110th Driest
Driest since:
1931
18th Wettest
Wettest since:
2019
Ties: 1908
Nov 1957–Jul 1958
9-Month
25.47"
(646.94mm)
22.66"
(575.56mm)
2.81"
(71.38mm)
118th Driest
Driest since:
1934
10th Wettest
Wettest to Date
2019
Oct 1957–Jul 1958
10-Month
28.23"
(717.04mm)
24.83"
(630.68mm)
3.40"
(86.36mm)
118th Driest
Driest since:
1934
10th Wettest
Wettest to Date
2019
Sep 1957–Jul 1958
11-Month
31.09"
(789.69mm)
27.33"
(694.18mm)
3.76"
(95.51mm)
123rd Driest
Driest since:
1934
5th Wettest
Wettest to Date
2019
Aug 1957–Jul 1958
12-Month
33.28"
(845.31mm)
29.95"
(760.73mm)
3.33"
(84.58mm)
117th Driest
Driest since:
1918
11th Wettest
Wettest since:
2019
Feb 1957–Jul 1958
18-Month
51.69"
(1,312.93mm)
45.74"
(1,161.80mm)
5.95"
(151.13mm)
126th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
Aug 1956–Jul 1958
24-Month
62.83"
(1,595.88mm)
59.92"
(1,521.97mm)
2.91"
(73.91mm)
97th Driest
Driest since:
1918
30th Wettest
Wettest since:
2020
Aug 1955–Jul 1958
36-Month
90.25"
(2,292.35mm)
89.88"
(2,282.95mm)
0.37"
(9.40mm)
64th Driest
Driest since:
1956
62nd Wettest
Wettest since:
2019
Aug 1954–Jul 1958
48-Month
117.30"
(2,979.42mm)
119.78"
(3,042.41mm)
-2.48"
(-62.99mm)
36th Driest
Driest since:
1956
89th Wettest
Wettest since:
2019
Aug 1953–Jul 1958
60-Month
142.68"
(3,624.07mm)
149.64"
(3,800.86mm)
-6.96"
(-176.79mm)
12th Driest
Driest since:
1934
112th Wettest
Wettest since:
2019

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