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 1945

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
October 1945
1-Month
2.00"
(50.80mm)
2.16"
(54.86mm)
-0.16"
(-4.06mm)
42nd Driest
Driest since:
1952
87th Wettest
Wettest since:
2009
Ties: 1956
Sep–Oct 1945
2-Month
5.44"
(138.18mm)
4.65"
(118.11mm)
0.79"
(20.07mm)
104th Driest
Driest since:
1952
25th Wettest
Wettest since:
2018
Aug–Oct 1945
3-Month
8.04"
(204.22mm)
7.27"
(184.66mm)
0.77"
(19.56mm)
101st Driest
Driest since:
1952
28th Wettest
Wettest since:
2018
Jul–Oct 1945
4-Month
11.09"
(281.69mm)
10.05"
(255.27mm)
1.04"
(26.42mm)
108th Driest
Driest since:
1952
21st Wettest
Wettest since:
1941
Ties: 2017
Jun–Oct 1945
5-Month
14.50"
(368.30mm)
12.97"
(329.44mm)
1.53"
(38.86mm)
116th Driest
Driest since:
1952
13th Wettest
Wettest since:
1941
May–Oct 1945
6-Month
17.37"
(441.20mm)
15.88"
(403.35mm)
1.49"
(37.85mm)
106th Driest
Driest since:
1952
23rd Wettest
Wettest since:
1941
Apr–Oct 1945
7-Month
20.42"
(518.67mm)
18.40"
(467.36mm)
2.02"
(51.31mm)
116th Driest
Driest since:
1952
13th Wettest
Wettest since:
1941
Mar–Oct 1945
8-Month
23.54"
(597.92mm)
20.91"
(531.11mm)
2.63"
(66.81mm)
119th Driest
Driest since:
1956
10th Wettest
Wettest since:
2019
Feb–Oct 1945
9-Month
26.29"
(667.77mm)
23.04"
(585.22mm)
3.25"
(82.55mm)
126th Driest
Driest since:
1934
3rd Wettest
Wettest to Date
2019
Jan–Oct 1945
10-Month
28.09"
(713.49mm)
25.36"
(644.14mm)
2.73"
(69.35mm)
117th Driest
Driest since:
1934
12th Wettest
Wettest since:
2019
Dec 1944–Oct 1945
11-Month
30.15"
(765.81mm)
27.70"
(703.58mm)
2.45"
(62.23mm)
109th Driest
Driest since:
1931
19th Wettest
Wettest since:
2019
Nov 1944–Oct 1945
12-Month
32.83"
(833.88mm)
29.93"
(760.22mm)
2.90"
(73.66mm)
113th Driest
Driest since:
1934
15th Wettest
Wettest since:
2019
May 1944–Oct 1945
18-Month
47.84"
(1,215.14mm)
45.83"
(1,164.08mm)
2.01"
(51.06mm)
90th Driest
Driest since:
1931
38th Wettest
Wettest since:
2019
Nov 1943–Oct 1945
24-Month
61.89"
(1,572.01mm)
59.90"
(1,521.46mm)
1.99"
(50.55mm)
87th Driest
Driest since:
1931
40th Wettest
Wettest since:
2019
Nov 1942–Oct 1945
36-Month
90.87"
(2,308.10mm)
89.86"
(2,282.44mm)
1.01"
(25.66mm)
72nd Driest
Driest since:
1956
54th Wettest
Wettest since:
2019
Nov 1941–Oct 1945
48-Month
121.38"
(3,083.05mm)
119.78"
(3,042.41mm)
1.60"
(40.64mm)
73rd Driest
Driest since:
1956
52nd Wettest
Wettest since:
2019
Nov 1940–Oct 1945
60-Month
155.41"
(3,947.41mm)
149.66"
(3,801.36mm)
5.75"
(146.05mm)
97th Driest
Driest since:
1934
27th Wettest
Wettest to Date
2019

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