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, October 1923

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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
October 1923
1-Month
2.53"
(64.26mm)
2.16"
(54.86mm)
0.37"
(9.40mm)
94th Driest
Driest since:
1952
35th Wettest
Wettest since:
2009
Sep–Oct 1923
2-Month
5.36"
(136.14mm)
4.65"
(118.11mm)
0.71"
(18.03mm)
102nd Driest
Driest since:
1952
27th Wettest
Wettest since:
2018
Ties: 1918, 1946
Aug–Oct 1923
3-Month
8.28"
(210.31mm)
7.27"
(184.66mm)
1.01"
(25.65mm)
109th Driest
Driest since:
1952
20th Wettest
Wettest since:
2018
Jul–Oct 1923
4-Month
10.98"
(278.89mm)
10.05"
(255.27mm)
0.93"
(23.62mm)
102nd Driest
Driest since:
1952
27th Wettest
Wettest since:
1941
Jun–Oct 1923
5-Month
14.28"
(362.71mm)
12.97"
(329.44mm)
1.31"
(33.27mm)
109th Driest
Driest since:
1952
20th Wettest
Wettest since:
1941
Ties: 1919
May–Oct 1923
6-Month
17.41"
(442.21mm)
15.88"
(403.35mm)
1.53"
(38.86mm)
109th Driest
Driest since:
1952
20th Wettest
Wettest since:
1941
Apr–Oct 1923
7-Month
20.25"
(514.35mm)
18.40"
(467.36mm)
1.85"
(46.99mm)
112th Driest
Driest since:
1952
17th Wettest
Wettest since:
1941
Mar–Oct 1923
8-Month
22.67"
(575.82mm)
20.91"
(531.11mm)
1.76"
(44.71mm)
109th Driest
Driest since:
1956
20th Wettest
Wettest since:
2019
Feb–Oct 1923
9-Month
24.53"
(623.06mm)
23.04"
(585.22mm)
1.49"
(37.84mm)
95th Driest
Driest since:
1934
34th Wettest
Wettest since:
2019
Jan–Oct 1923
10-Month
26.97"
(685.04mm)
25.36"
(644.14mm)
1.61"
(40.90mm)
103rd Driest
Driest since:
1934
26th Wettest
Wettest since:
2019
Dec 1922–Oct 1923
11-Month
29.64"
(752.86mm)
27.70"
(703.58mm)
1.94"
(49.28mm)
100th Driest
Driest since:
1931
28th Wettest
Wettest since:
2019
Nov 1922–Oct 1923
12-Month
31.72"
(805.69mm)
29.93"
(760.22mm)
1.79"
(45.47mm)
97th Driest
Driest since:
1934
31st Wettest
Wettest since:
2019
May 1922–Oct 1923
18-Month
45.85"
(1,164.59mm)
45.83"
(1,164.08mm)
0.02"
(0.51mm)
59th Driest
Driest since:
1931
69th Wettest
Wettest since:
2019
Nov 1921–Oct 1923
24-Month
61.51"
(1,562.35mm)
59.90"
(1,521.46mm)
1.61"
(40.89mm)
82nd Driest
Driest since:
1931
45th Wettest
Wettest since:
2019
Nov 1920–Oct 1923
36-Month
90.65"
(2,302.51mm)
89.86"
(2,282.44mm)
0.79"
(20.07mm)
70th Driest
Driest since:
1956
56th Wettest
Wettest since:
2019
Nov 1919–Oct 1923
48-Month
121.55"
(3,087.37mm)
119.78"
(3,042.41mm)
1.77"
(44.96mm)
74th Driest
Driest since:
1956
51st Wettest
Wettest since:
2019
Nov 1918–Oct 1923
60-Month
153.68"
(3,903.47mm)
149.66"
(3,801.36mm)
4.02"
(102.11mm)
89th Driest
Driest since:
1934
35th Wettest
Wettest since:
2019

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