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 1922

View Period (Months):
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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 1922
1-Month
2.89"
(73.41mm)
2.78"
(70.61mm)
0.11"
(2.80mm)
78th Driest
Driest since:
1930
51st Wettest
Wettest since:
1950, 1958
Ties: 1967
Jun–Jul 1922
2-Month
5.59"
(141.99mm)
5.70"
(144.78mm)
-0.11"
(-2.79mm)
47th Driest
Driest since:
1930
82nd Wettest
Wettest since:
1928
Ties: 1920
May–Jul 1922
3-Month
8.70"
(220.98mm)
8.62"
(218.95mm)
0.08"
(2.03mm)
59th Driest
Driest since:
1988
70th Wettest
Wettest since:
2015
Apr–Jul 1922
4-Month
11.78"
(299.21mm)
11.13"
(282.70mm)
0.65"
(16.51mm)
89th Driest
Driest since:
1934
40th Wettest
Wettest since:
2015
Mar–Jul 1922
5-Month
15.24"
(387.10mm)
13.64"
(346.46mm)
1.60"
(40.64mm)
114th Driest
Driest since:
1936
15th Wettest
Wettest since:
1973
Feb–Jul 1922
6-Month
17.68"
(449.07mm)
15.78"
(400.81mm)
1.90"
(48.26mm)
116th Driest
Driest since:
1934
13th Wettest
Wettest since:
2019
Jan–Jul 1922
7-Month
19.71"
(500.63mm)
18.09"
(459.49mm)
1.62"
(41.14mm)
109th Driest
Driest since:
1934
20th Wettest
Wettest since:
2019
Dec 1921–Jul 1922
8-Month
21.95"
(557.53mm)
20.43"
(518.92mm)
1.52"
(38.61mm)
102nd Driest
Driest since:
1931
26th Wettest
Wettest since:
2019
Nov 1921–Jul 1922
9-Month
24.36"
(618.74mm)
22.66"
(575.56mm)
1.70"
(43.18mm)
105th Driest
Driest since:
1934
23rd Wettest
Wettest since:
2019
Oct 1921–Jul 1922
10-Month
25.82"
(655.83mm)
24.83"
(630.68mm)
0.99"
(25.15mm)
83rd Driest
Driest since:
1934
45th Wettest
Wettest since:
2019
Sep 1921–Jul 1922
11-Month
28.39"
(721.11mm)
27.33"
(694.18mm)
1.06"
(26.93mm)
84th Driest
Driest since:
1934
44th Wettest
Wettest since:
2019
Aug 1921–Jul 1922
12-Month
30.99"
(787.15mm)
29.95"
(760.73mm)
1.04"
(26.42mm)
84th Driest
Driest since:
1918
44th Wettest
Wettest since:
2019
Feb 1921–Jul 1922
18-Month
46.38"
(1,178.05mm)
45.74"
(1,161.80mm)
0.64"
(16.25mm)
69th Driest
Driest since:
1931
59th Wettest
Wettest since:
2019
Aug 1920–Jul 1922
24-Month
61.51"
(1,562.35mm)
59.92"
(1,521.97mm)
1.59"
(40.38mm)
81st Driest
Driest since:
1918
46th Wettest
Wettest since:
2020
Ties: 1913
Aug 1919–Jul 1922
36-Month
92.67"
(2,353.82mm)
89.88"
(2,282.95mm)
2.79"
(70.87mm)
88th Driest
Driest since:
1956
38th Wettest
Wettest since:
2019
Aug 1918–Jul 1922
48-Month
124.36"
(3,158.74mm)
119.78"
(3,042.41mm)
4.58"
(116.33mm)
97th Driest
Driest since:
1956
28th Wettest
Wettest since:
2019
Aug 1917–Jul 1922
60-Month
148.93"
(3,782.82mm)
149.64"
(3,800.86mm)
-0.71"
(-18.04mm)
54th Driest
Driest since:
1934
70th Wettest
Wettest since:
2019

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