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, August 1904

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
August 1904
1-Month		3.60"
(91.44mm)		3.67"
(93.22mm)		-0.07"
(-1.78mm)		62nd Driest
Driest since:
1953
67th Wettest
Wettest since:
1915
Jul–Aug 1904
2-Month		7.57"
(192.28mm)		7.67"
(194.82mm)		-0.10"
(-2.54mm)		58th Driest
Driest since:
1930
71st Wettest
Wettest since:
1915
Jun–Aug 1904
3-Month		11.70"
(297.18mm)		11.92"
(302.77mm)		-0.22"
(-5.59mm)		47th Driest
Driest since:
1930
82nd Wettest
Wettest since:
1958
May–Aug 1904
4-Month		15.39"
(390.91mm)		16.19"
(411.23mm)		-0.80"
(-20.32mm)		42nd Driest
Driest since:
1936
87th Wettest
Wettest since:
1915
Apr–Aug 1904
5-Month		19.21"
(487.93mm)		20.10"
(510.54mm)		-0.89"
(-22.61mm)		42nd Driest
Driest since:
1930
87th Wettest
Wettest since:
2015
Mar–Aug 1904
6-Month		24.95"
(633.73mm)		23.91"
(607.31mm)		1.04"
(26.42mm)		70th Driest
Driest since:
1930
59th Wettest
Wettest since:
2015
Feb–Aug 1904
7-Month		26.84"
(681.74mm)		26.58"
(675.13mm)		0.26"
(6.61mm)		58th Driest
Driest since:
1930
71st Wettest
Wettest since:
2019
Jan–Aug 1904
8-Month		30.09"
(764.29mm)		29.63"
(752.60mm)		0.46"
(11.69mm)		65th Driest
Driest since:
1936
64th Wettest
Wettest since:
2019
Dec 1903–Aug 1904
9-Month		32.35"
(821.69mm)		32.72"
(831.09mm)		-0.37"
(-9.40mm)		51st Driest
Driest since:
1936
77th Wettest
Wettest since:
2019
Nov 1903–Aug 1904
10-Month		34.46"
(875.28mm)		35.86"
(910.84mm)		-1.40"
(-35.56mm)		44th Driest
Driest since:
1936
84th Wettest
Wettest since:
2019
Oct 1903–Aug 1904
11-Month		37.08"
(941.83mm)		38.78"
(985.01mm)		-1.70"
(-43.18mm)		34th Driest
Driest since:
1936
94th Wettest
Wettest since:
2019
Ties: 2007
Sep 1903–Aug 1904
12-Month		39.42"
(1,001.27mm)		42.24"
(1,072.90mm)		-2.82"
(-71.63mm)		26th Driest
Driest since:
1936
102nd Wettest
Wettest since:
2019
Mar 1903–Aug 1904
18-Month		63.10"
(1,602.74mm)		66.13"
(1,679.70mm)		-3.03"
(-76.96mm)		33rd Driest
Driest since:
1931
95th Wettest
Wettest since:
2019
Sep 1902–Aug 1904
24-Month		85.21"
(2,164.33mm)		84.47"
(2,145.54mm)		0.74"
(18.79mm)		57th Driest
Driest since:
1941
70th Wettest
Wettest since:
2020
Sep 1901–Aug 1904
36-Month		124.27"
(3,156.46mm)		126.74"
(3,219.20mm)		-2.47"
(-62.74mm)		41st Driest
Driest since:
1941
85th Wettest
Wettest since:
2020
Sep 1900–Aug 1904
48-Month		159.82"
(4,059.43mm)		168.98"
(4,292.09mm)		-9.16"
(-232.66mm)		19th Driest
Driest since:
1956
106th Wettest
Wettest since:
2022
Sep 1899–Aug 1904
60-Month		197.91"
(5,026.91mm)		211.20"
(5,364.48mm)		-13.29"
(-337.57mm)		11th Driest
Driest to Date
1934
113th Wettest
Wettest since:
2020

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