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 1958

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1958
1-Month 		1.34"
(34.04mm)		 2.90"
(73.66mm)		 -1.56"
(-39.62mm)		 11th Driest
Driest since:
 1963
118th Wettest
Wettest since:
 1919
Sep–Oct 1958
2-Month 		5.04"
(128.02mm)		 6.37"
(161.80mm)		 -1.33"
(-33.78mm)		 25th Driest
Driest since:
 1897
104th Wettest
Wettest since:
 1926
Aug–Oct 1958
3-Month 		8.68"
(220.47mm)		 10.04"
(255.02mm)		 -1.36"
(-34.55mm)		 25th Driest
Driest since:
 1897
104th Wettest
Wettest since:
 1926
Ties: 2022
Jul–Oct 1958
4-Month 		16.99"
(431.55mm)		 14.04"
(356.62mm)		 2.95"
(74.93mm)		 115th Driest
Driest since:
 1953
14th Wettest
Wettest since:
 1926
Jun–Oct 1958
5-Month 		22.44"
(569.98mm)		 18.29"
(464.57mm)		 4.15"
(105.41mm)		 117th Driest
Driest since:
 1953
12th Wettest
Wettest since:
 1926
May–Oct 1958
6-Month 		26.44"
(671.58mm)		 22.56"
(573.02mm)		 3.88"
(98.56mm)		 113th Driest
Driest since:
 1930
16th Wettest
Wettest since:
 2009
Apr–Oct 1958
7-Month 		30.45"
(773.43mm)		 26.47"
(672.34mm)		 3.98"
(101.09mm)		 104th Driest
Driest since:
 1930
25th Wettest
Wettest since:
 2009
Mar–Oct 1958
8-Month 		33.29"
(845.57mm)		 30.28"
(769.11mm)		 3.01"
(76.46mm)		 94th Driest
Driest since:
 1930
35th Wettest
Wettest since:
 2009
Ties: 1989
Feb–Oct 1958
9-Month 		34.89"
(886.21mm)		 32.95"
(836.93mm)		 1.94"
(49.28mm)		 83rd Driest
Driest since:
 1930
46th Wettest
Wettest since:
 2019
Jan–Oct 1958
10-Month 		36.93"
(938.02mm)		 36.00"
(914.40mm)		 0.93"
(23.62mm)		 70th Driest
Driest since:
 1930
59th Wettest
Wettest since:
 2019
Dec 1957–Oct 1958
11-Month 		41.49"
(1,053.85mm)		 39.09"
(992.89mm)		 2.40"
(60.96mm)		 83rd Driest
Driest since:
 1930
45th Wettest
Wettest since:
 2019
Ties: 1896
Nov 1957–Oct 1958
12-Month 		46.41"
(1,178.81mm)		 42.23"
(1,072.64mm)		 4.18"
(106.17mm)		 102nd Driest
Driest since:
 1963
26th Wettest
Wettest since:
 2019
May 1957–Oct 1958
18-Month 		70.71"
(1,796.03mm)		 64.79"
(1,645.67mm)		 5.92"
(150.36mm)		 101st Driest
Driest since:
 1931
27th Wettest
Wettest since:
 2019
Nov 1956–Oct 1958
24-Month 		92.26"
(2,343.40mm)		 84.46"
(2,145.28mm)		 7.80"
(198.12mm)		 106th Driest
Driest since:
 1931
21st Wettest
Wettest since:
 2020
Nov 1955–Oct 1958
36-Month 		129.49"
(3,289.05mm)		 126.69"
(3,217.93mm)		 2.80"
(71.12mm)		 69th Driest
Driest since:
 1954
57th Wettest
Wettest since:
 2020
Nov 1954–Oct 1958
48-Month 		170.31"
(4,325.87mm)		 168.97"
(4,291.84mm)		 1.34"
(34.03mm)		 60th Driest
Driest since:
 1956
65th Wettest
Wettest since:
 2021
Nov 1953–Oct 1958
60-Month 		207.56"
(5,272.02mm)		 211.20"
(5,364.48mm)		 -3.64"
(-92.46mm)		 37th Driest
Driest since:
 1956
87th Wettest
Wettest since:
 2020

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