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 1950

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1950
1-Month
3.86"
(98.04mm)
2.78"
(70.61mm)
1.08"
(27.43mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1950, 1958
Ties: 1958
Jun–Jul 1950
2-Month
6.66"
(169.16mm)
5.70"
(144.78mm)
0.96"
(24.38mm)
118th Driest
Driest since:
1930
11th Wettest
Wettest since:
1928
Ties: 1989
May–Jul 1950
3-Month
9.54"
(242.32mm)
8.62"
(218.95mm)
0.92"
(23.37mm)
108th Driest
Driest since:
1988
21st Wettest
Wettest since:
2015
Apr–Jul 1950
4-Month
11.62"
(295.15mm)
11.13"
(282.70mm)
0.49"
(12.45mm)
80th Driest
Driest since:
1934
49th Wettest
Wettest since:
2015
Ties: 1919, 1944
Mar–Jul 1950
5-Month
14.11"
(358.39mm)
13.64"
(346.46mm)
0.47"
(11.93mm)
76th Driest
Driest since:
1936
53rd Wettest
Wettest since:
1973
Ties: 1996
Feb–Jul 1950
6-Month
16.34"
(415.04mm)
15.78"
(400.81mm)
0.56"
(14.23mm)
78th Driest
Driest since:
1934
51st Wettest
Wettest since:
2019
Jan–Jul 1950
7-Month
19.70"
(500.38mm)
18.09"
(459.49mm)
1.61"
(40.89mm)
108th Driest
Driest since:
1934
21st Wettest
Wettest since:
2019
Dec 1949–Jul 1950
8-Month
21.92"
(556.77mm)
20.44"
(519.18mm)
1.48"
(37.59mm)
101st Driest
Driest since:
1931
27th Wettest
Wettest since:
2019
Ties: 2013, 2020
Nov 1949–Jul 1950
9-Month
23.11"
(586.99mm)
22.66"
(575.56mm)
0.45"
(11.43mm)
74th Driest
Driest since:
1934
54th Wettest
Wettest since:
2019
Oct 1949–Jul 1950
10-Month
25.91"
(658.11mm)
24.83"
(630.68mm)
1.08"
(27.43mm)
88th Driest
Driest since:
1934
40th Wettest
Wettest since:
2019
Sep 1949–Jul 1950
11-Month
28.13"
(714.50mm)
27.33"
(694.18mm)
0.80"
(20.32mm)
77th Driest
Driest since:
1934
51st Wettest
Wettest since:
2019
Ties: 1947
Aug 1949–Jul 1950
12-Month
30.62"
(777.75mm)
29.95"
(760.73mm)
0.67"
(17.02mm)
71st Driest
Driest since:
1918
57th Wettest
Wettest since:
2019
Feb 1949–Jul 1950
18-Month
46.84"
(1,189.74mm)
45.74"
(1,161.80mm)
1.10"
(27.94mm)
74th Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Aug 1948–Jul 1950
24-Month
61.57"
(1,563.88mm)
59.92"
(1,521.97mm)
1.65"
(41.91mm)
83rd Driest
Driest since:
1918
44th Wettest
Wettest since:
2020
Aug 1947–Jul 1950
36-Month
92.29"
(2,344.17mm)
89.88"
(2,282.95mm)
2.41"
(61.22mm)
85th Driest
Driest since:
1956
41st Wettest
Wettest since:
2019
Aug 1946–Jul 1950
48-Month
123.00"
(3,124.20mm)
119.78"
(3,042.41mm)
3.22"
(81.79mm)
88th Driest
Driest since:
1956
37th Wettest
Wettest since:
2019
Aug 1945–Jul 1950
60-Month
154.11"
(3,914.39mm)
149.64"
(3,800.86mm)
4.47"
(113.53mm)
90th Driest
Driest since:
1934
34th Wettest
Wettest since:
2019
Ties: 1945

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