Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley Climate Region

Precipitation Rankings, September 1965

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1965
1-Month 		5.98"
(151.89mm)		 3.47"
(88.14mm)		 2.51"
(63.75mm)		 125th Driest
Driest since:
 1897
4th Wettest
Wettest since:
 1926
Aug–Sep 1965
2-Month 		9.98"
(253.49mm)		 7.14"
(181.36mm)		 2.84"
(72.13mm)		 120th Driest
Driest since:
 1897
9th Wettest
Wettest since:
 1926
Jul–Sep 1965
3-Month 		14.15"
(359.41mm)		 11.14"
(282.96mm)		 3.01"
(76.45mm)		 117th Driest
Driest since:
 1953
12th Wettest
Wettest since:
 1926
Jun–Sep 1965
4-Month 		18.00"
(457.20mm)		 15.39"
(390.91mm)		 2.61"
(66.29mm)		 109th Driest
Driest since:
 1953
20th Wettest
Wettest since:
 1915
May–Sep 1965
5-Month 		20.73"
(526.54mm)		 19.66"
(499.36mm)		 1.07"
(27.18mm)		 74th Driest
Driest since:
 1930
55th Wettest
Wettest since:
 1915
Apr–Sep 1965
6-Month 		25.31"
(642.87mm)		 23.57"
(598.68mm)		 1.74"
(44.19mm)		 80th Driest
Driest since:
 1930
49th Wettest
Wettest since:
 2011
Mar–Sep 1965
7-Month 		29.30"
(744.22mm)		 27.38"
(695.45mm)		 1.92"
(48.77mm)		 83rd Driest
Driest since:
 1930
46th Wettest
Wettest since:
 1945
Feb–Sep 1965
8-Month 		32.20"
(817.88mm)		 30.05"
(763.27mm)		 2.15"
(54.61mm)		 86th Driest
Driest since:
 1930
43rd Wettest
Wettest since:
 1945
Jan–Sep 1965
9-Month 		35.86"
(910.84mm)		 33.10"
(840.74mm)		 2.76"
(70.10mm)		 94th Driest
Driest since:
 1930
35th Wettest
Wettest since:
 1950
Ties: 1912
Dec 1964–Sep 1965
10-Month 		39.21"
(995.93mm)		 36.19"
(919.23mm)		 3.02"
(76.70mm)		 91st Driest
Driest since:
 1930
37th Wettest
Wettest since:
 1950
Nov 1964–Sep 1965
11-Month 		42.21"
(1,072.13mm)		 39.33"
(998.98mm)		 2.88"
(73.15mm)		 92nd Driest
Driest since:
 1930
36th Wettest
Wettest since:
 2019
Oct 1964–Sep 1965
12-Month 		43.23"
(1,098.04mm)		 42.25"
(1,073.15mm)		 0.98"
(24.89mm)		 63rd Driest
Driest since:
 1925
65th Wettest
Wettest since:
 2019
Ties: 1932
Apr 1964–Sep 1965
18-Month 		65.65"
(1,667.51mm)		 65.79"
(1,671.07mm)		 -0.14"
(-3.56mm)		 47th Driest
Driest since:
 1931
81st Wettest
Wettest since:
 2019
Oct 1963–Sep 1965
24-Month 		80.95"
(2,056.13mm)		 84.47"
(2,145.54mm)		 -3.52"
(-89.41mm)		 34th Driest
Driest since:
 1941
93rd Wettest
Wettest since:
 2020
Oct 1962–Sep 1965
36-Month 		115.56"
(2,935.22mm)		 126.72"
(3,218.69mm)		 -11.16"
(-283.47mm)		 11th Driest
Driest since:
 1941
115th Wettest
Wettest since:
 2020
Oct 1961–Sep 1965
48-Month 		158.08"
(4,015.23mm)		 168.99"
(4,292.35mm)		 -10.91"
(-277.12mm)		 10th Driest
Driest since:
 1956
115th Wettest
Wettest since:
 2021
Oct 1960–Sep 1965
60-Month 		202.35"
(5,139.69mm)		 211.21"
(5,364.73mm)		 -8.86"
(-225.04mm)		 18th Driest
Driest since:
 1956
106th Wettest
Wettest since:
 2020

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