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 1904

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
July 1904
1-Month
2.93"
(74.42mm)
2.78"
(70.61mm)
0.15"
(3.81mm)
84th Driest
Driest since:
1930
45th Wettest
Wettest since:
1950, 1958
Ties: 1897, 1972
Jun–Jul 1904
2-Month
6.04"
(153.42mm)
5.70"
(144.78mm)
0.34"
(8.64mm)
92nd Driest
Driest since:
1930
37th Wettest
Wettest since:
1928
May–Jul 1904
3-Month
8.63"
(219.20mm)
8.62"
(218.95mm)
0.01"
(0.25mm)
55th Driest
Driest since:
1988
74th Wettest
Wettest since:
2015
Apr–Jul 1904
4-Month
10.75"
(273.05mm)
11.13"
(282.70mm)
-0.38"
(-9.65mm)
42nd Driest
Driest since:
1934
87th Wettest
Wettest since:
2015
Mar–Jul 1904
5-Month
13.85"
(351.79mm)
13.64"
(346.46mm)
0.21"
(5.33mm)
65th Driest
Driest since:
1936
64th Wettest
Wettest since:
1973
Feb–Jul 1904
6-Month
16.28"
(413.51mm)
15.78"
(400.81mm)
0.50"
(12.70mm)
74th Driest
Driest since:
1934
55th Wettest
Wettest since:
2019
Jan–Jul 1904
7-Month
18.09"
(459.49mm)
18.09"
(459.49mm)
0.00"
(0.00mm)
63rd Driest
Driest since:
1934
66th Wettest
Wettest since:
2019
Dec 1903–Jul 1904
8-Month
19.53"
(496.06mm)
20.44"
(519.18mm)
-0.91"
(-23.12mm)
36th Driest
Driest since:
1931
92nd Wettest
Wettest since:
2019
Nov 1903–Jul 1904
9-Month
21.36"
(542.54mm)
22.66"
(575.56mm)
-1.30"
(-33.02mm)
34th Driest
Driest since:
1934
94th Wettest
Wettest since:
2019
Oct 1903–Jul 1904
10-Month
23.13"
(587.50mm)
24.83"
(630.68mm)
-1.70"
(-43.18mm)
25th Driest
Driest to Date
1934
103rd Wettest
Wettest since:
2019
Sep 1903–Jul 1904
11-Month
25.25"
(641.35mm)
27.33"
(694.18mm)
-2.08"
(-52.83mm)
23rd Driest
Driest to Date
1934
105th Wettest
Wettest since:
2019
Aug 1903–Jul 1904
12-Month
28.29"
(718.57mm)
29.95"
(760.73mm)
-1.66"
(-42.16mm)
32nd Driest
Driest since:
1918
96th Wettest
Wettest since:
2019
Feb 1903–Jul 1904
18-Month
45.18"
(1,147.57mm)
45.74"
(1,161.80mm)
-0.56"
(-14.23mm)
49th Driest
Driest since:
1931
79th Wettest
Wettest since:
2019
Aug 1902–Jul 1904
24-Month
60.34"
(1,532.64mm)
59.92"
(1,521.97mm)
0.42"
(10.67mm)
62nd Driest
Driest since:
1918
65th Wettest
Wettest since:
2020
Aug 1901–Jul 1904
36-Month
89.19"
(2,265.43mm)
89.88"
(2,282.95mm)
-0.69"
(-17.52mm)
51st Driest
Driest since:
1956
75th Wettest
Wettest since:
2019
Aug 1900–Jul 1904
48-Month
117.84"
(2,993.14mm)
119.78"
(3,042.41mm)
-1.94"
(-49.27mm)
38th Driest
Driest since:
1956
87th Wettest
Wettest since:
2019
Aug 1899–Jul 1904
60-Month
146.90"
(3,731.26mm)
149.64"
(3,800.86mm)
-2.74"
(-69.60mm)
39th Driest
Driest since:
1934
85th Wettest
Wettest since:
2019

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