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 1974

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 1974
1-Month		1.93"
(49.02mm)		2.90"
(73.66mm)		-0.97"
(-24.64mm)		24th Driest
Driest since:
1963
105th Wettest
Wettest since:
1919
Sep–Oct 1974
2-Month		5.92"
(150.37mm)		6.37"
(161.80mm)		-0.45"
(-11.43mm)		51st Driest
Driest since:
1897
78th Wettest
Wettest since:
1926
Aug–Oct 1974
3-Month		11.52"
(292.61mm)		10.04"
(255.02mm)		1.48"
(37.59mm)		97th Driest
Driest since:
1897
32nd Wettest
Wettest since:
1926
Ties: 1932
Jul–Oct 1974
4-Month		13.62"
(345.95mm)		14.04"
(356.62mm)		-0.42"
(-10.67mm)		46th Driest
Driest since:
1953
83rd Wettest
Wettest since:
1926
Jun–Oct 1974
5-Month		18.52"
(470.41mm)		18.29"
(464.57mm)		0.23"
(5.84mm)		60th Driest
Driest since:
1953
69th Wettest
Wettest since:
1926
Ties: 1923
May–Oct 1974
6-Month		24.76"
(628.90mm)		22.56"
(573.02mm)		2.20"
(55.88mm)		85th Driest
Driest since:
1930
44th Wettest
Wettest since:
2009
Apr–Oct 1974
7-Month		28.50"
(723.90mm)		26.47"
(672.34mm)		2.03"
(51.56mm)		79th Driest
Driest since:
1930
50th Wettest
Wettest since:
2009
Mar–Oct 1974
8-Month		32.56"
(827.02mm)		30.28"
(769.11mm)		2.28"
(57.91mm)		88th Driest
Driest since:
1930
41st Wettest
Wettest since:
2009
Ties: 1915, 2016
Feb–Oct 1974
9-Month		34.96"
(887.98mm)		32.95"
(836.93mm)		2.01"
(51.05mm)		85th Driest
Driest since:
1930
44th Wettest
Wettest since:
2019
Jan–Oct 1974
10-Month		39.62"
(1,006.35mm)		36.00"
(914.40mm)		3.62"
(91.95mm)		98th Driest
Driest since:
1930
31st Wettest
Wettest since:
2019
Dec 1973–Oct 1974
11-Month		43.59"
(1,107.19mm)		39.09"
(992.89mm)		4.50"
(114.30mm)		104th Driest
Driest since:
1930
24th Wettest
Wettest since:
2019
Nov 1973–Oct 1974
12-Month		48.81"
(1,239.77mm)		42.23"
(1,072.64mm)		6.58"
(167.13mm)		112th Driest
Driest since:
1963
16th Wettest
Wettest since:
2019
May 1973–Oct 1974
18-Month		74.16"
(1,883.66mm)		64.79"
(1,645.67mm)		9.37"
(237.99mm)		117th Driest
Driest since:
1931
11th Wettest
Wettest since:
2019
Nov 1972–Oct 1974
24-Month		101.18"
(2,569.97mm)		84.46"
(2,145.28mm)		16.72"
(424.69mm)		123rd Driest
Driest since:
1931
4th Wettest
Wettest to Date
2020
Nov 1971–Oct 1974
36-Month		145.20"
(3,688.08mm)		126.69"
(3,217.93mm)		18.51"
(470.15mm)		121st Driest
Driest since:
1954
5th Wettest
Wettest to Date
2020
Nov 1970–Oct 1974
48-Month		181.85"
(4,618.99mm)		168.97"
(4,291.84mm)		12.88"
(327.15mm)		104th Driest
Driest since:
1956
21st Wettest
Wettest since:
2021
Nov 1969–Oct 1974
60-Month		226.14"
(5,743.96mm)		211.20"
(5,364.48mm)		14.94"
(379.48mm)		105th Driest
Driest since:
1956
19th Wettest
Wettest since:
2020

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