Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, October 1919

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1919
1-Month 		7.30"
(185.42mm)		 2.90"
(73.66mm)		 4.40"
(111.76mm)		 128th Driest
Driest since:
 1963
1st Wettest
Wettest to Date
 1919
Sep–Oct 1919
2-Month 		9.83"
(249.68mm)		 6.37"
(161.80mm)		 3.46"
(87.88mm)		 122nd Driest
Driest since:
 1897
7th Wettest
Wettest to Date
 1926
Aug–Oct 1919
3-Month 		13.75"
(349.25mm)		 10.04"
(255.02mm)		 3.71"
(94.23mm)		 122nd Driest
Driest since:
 1897
7th Wettest
Wettest since:
 1926
Jul–Oct 1919
4-Month 		16.46"
(418.08mm)		 14.04"
(356.62mm)		 2.42"
(61.46mm)		 107th Driest
Driest since:
 1953
22nd Wettest
Wettest since:
 1926
Jun–Oct 1919
5-Month 		20.92"
(531.37mm)		 18.29"
(464.57mm)		 2.63"
(66.80mm)		 103rd Driest
Driest since:
 1953
26th Wettest
Wettest since:
 1926
May–Oct 1919
6-Month 		26.41"
(670.81mm)		 22.56"
(573.02mm)		 3.85"
(97.79mm)		 112th Driest
Driest since:
 1930
17th Wettest
Wettest since:
 2009
Apr–Oct 1919
7-Month 		29.39"
(746.51mm)		 26.47"
(672.34mm)		 2.92"
(74.17mm)		 94th Driest
Driest since:
 1930
35th Wettest
Wettest since:
 2009
Ties: 1935
Mar–Oct 1919
8-Month 		33.56"
(852.42mm)		 30.28"
(769.11mm)		 3.28"
(83.31mm)		 97th Driest
Driest since:
 1930
32nd Wettest
Wettest since:
 2009
Feb–Oct 1919
9-Month 		35.54"
(902.72mm)		 32.95"
(836.93mm)		 2.59"
(65.79mm)		 90th Driest
Driest since:
 1930
39th Wettest
Wettest since:
 2019
Jan–Oct 1919
10-Month 		37.64"
(956.06mm)		 36.00"
(914.40mm)		 1.64"
(41.66mm)		 80th Driest
Driest since:
 1930
49th Wettest
Wettest since:
 2019
Dec 1918–Oct 1919
11-Month 		41.63"
(1,057.40mm)		 39.09"
(992.89mm)		 2.54"
(64.51mm)		 86th Driest
Driest since:
 1930
42nd Wettest
Wettest since:
 2019
Nov 1918–Oct 1919
12-Month 		44.07"
(1,119.38mm)		 42.23"
(1,072.64mm)		 1.84"
(46.74mm)		 76th Driest
Driest since:
 1963
52nd Wettest
Wettest since:
 2019
May 1918–Oct 1919
18-Month 		66.09"
(1,678.69mm)		 64.79"
(1,645.67mm)		 1.30"
(33.02mm)		 65th Driest
Driest since:
 1931
63rd Wettest
Wettest since:
 2019
Nov 1917–Oct 1919
24-Month 		80.38"
(2,041.65mm)		 84.46"
(2,145.28mm)		 -4.08"
(-103.63mm)		 29th Driest
Driest since:
 1931
98th Wettest
Wettest since:
 2020
Nov 1916–Oct 1919
36-Month 		122.22"
(3,104.39mm)		 126.69"
(3,217.93mm)		 -4.47"
(-113.54mm)		 28th Driest
Driest since:
 1954
98th Wettest
Wettest since:
 2020
Nov 1915–Oct 1919
48-Month 		166.87"
(4,238.50mm)		 168.97"
(4,291.84mm)		 -2.10"
(-53.34mm)		 40th Driest
Driest since:
 1956
85th Wettest
Wettest since:
 2021
Nov 1914–Oct 1919
60-Month 		210.76"
(5,353.30mm)		 211.20"
(5,364.48mm)		 -0.44"
(-11.18mm)		 49th Driest
Driest since:
 1956
75th Wettest
Wettest since:
 2020

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