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, August 1923

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
August 1923
1-Month
2.92"
(74.17mm)
2.62"
(66.55mm)
0.30"
(7.62mm)
100th Driest
Driest since:
1929
29th Wettest
Wettest since:
1977
Jul–Aug 1923
2-Month
5.62"
(142.75mm)
5.40"
(137.16mm)
0.22"
(5.59mm)
83rd Driest
Driest since:
1930
46th Wettest
Wettest since:
1915
Ties: 1904, 1914
Jun–Aug 1923
3-Month
8.92"
(226.57mm)
8.32"
(211.33mm)
0.60"
(15.24mm)
102nd Driest
Driest since:
1930
27th Wettest
Wettest since:
1928
May–Aug 1923
4-Month
12.05"
(306.07mm)
11.23"
(285.24mm)
0.82"
(20.83mm)
99th Driest
Driest since:
1936
30th Wettest
Wettest since:
1915
Apr–Aug 1923
5-Month
14.89"
(378.21mm)
13.75"
(349.25mm)
1.14"
(28.96mm)
101st Driest
Driest since:
1934
28th Wettest
Wettest since:
2019
Mar–Aug 1923
6-Month
17.31"
(439.67mm)
16.26"
(413.00mm)
1.05"
(26.67mm)
96th Driest
Driest since:
1936
33rd Wettest
Wettest since:
1905
Ties: 1927
Feb–Aug 1923
7-Month
19.17"
(486.92mm)
18.40"
(467.36mm)
0.77"
(19.56mm)
82nd Driest
Driest since:
1934
47th Wettest
Wettest since:
2019
Jan–Aug 1923
8-Month
21.61"
(548.89mm)
20.71"
(526.03mm)
0.90"
(22.86mm)
91st Driest
Driest since:
1934
38th Wettest
Wettest since:
2019
Dec 1922–Aug 1923
9-Month
24.28"
(616.71mm)
23.05"
(585.47mm)
1.23"
(31.24mm)
94th Driest
Driest since:
1931
34th Wettest
Wettest since:
2019
Ties: 1916
Nov 1922–Aug 1923
10-Month
26.36"
(669.54mm)
25.28"
(642.11mm)
1.08"
(27.43mm)
86th Driest
Driest since:
1934
42nd Wettest
Wettest since:
2019
Oct 1922–Aug 1923
11-Month
28.09"
(713.49mm)
27.45"
(697.23mm)
0.64"
(16.26mm)
75th Driest
Driest since:
1934
53rd Wettest
Wettest since:
2019
Ties: 1957
Sep 1922–Aug 1923
12-Month
29.56"
(750.82mm)
29.94"
(760.48mm)
-0.38"
(-9.66mm)
50th Driest
Driest since:
1934
78th Wettest
Wettest since:
2019
Mar 1922–Aug 1923
18-Month
47.03"
(1,194.56mm)
46.22"
(1,173.99mm)
0.81"
(20.57mm)
75th Driest
Driest since:
1931
53rd Wettest
Wettest since:
2019
Sep 1921–Aug 1923
24-Month
60.18"
(1,528.57mm)
59.92"
(1,521.97mm)
0.26"
(6.60mm)
60th Driest
Driest since:
1918
67th Wettest
Wettest since:
2020
Sep 1920–Aug 1923
36-Month
89.90"
(2,283.46mm)
89.86"
(2,282.44mm)
0.04"
(1.02mm)
58th Driest
Driest since:
1956
68th Wettest
Wettest since:
2019
Sep 1919–Aug 1923
48-Month
121.98"
(3,098.29mm)
119.77"
(3,042.16mm)
2.21"
(56.13mm)
77th Driest
Driest since:
1956
48th Wettest
Wettest since:
2019
Sep 1918–Aug 1923
60-Month
153.68"
(3,903.47mm)
149.64"
(3,800.86mm)
4.04"
(102.61mm)
85th Driest
Driest since:
1934
39th Wettest
Wettest since:
2019

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