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 2013

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
August 2013
1-Month		3.30"
(83.82mm)		3.67"
(93.22mm)		-0.37"
(-9.40mm)		44th Driest
Driest since:
1953
85th Wettest
Wettest since:
1915
Ties: 1941
Jul–Aug 2013
2-Month		8.09"
(205.49mm)		7.67"
(194.82mm)		0.42"
(10.67mm)		77th Driest
Driest since:
1930
52nd Wettest
Wettest since:
1915
Ties: 1910
Jun–Aug 2013
3-Month		13.64"
(346.46mm)		11.92"
(302.77mm)		1.72"
(43.69mm)		100th Driest
Driest since:
1930
29th Wettest
Wettest since:
1958
May–Aug 2013
4-Month		18.76"
(476.50mm)		16.19"
(411.23mm)		2.57"
(65.27mm)		103rd Driest
Driest since:
1936
26th Wettest
Wettest since:
1915
Apr–Aug 2013
5-Month		24.58"
(624.33mm)		20.10"
(510.54mm)		4.48"
(113.79mm)		118th Driest
Driest since:
1930
11th Wettest
Wettest since:
2015
Mar–Aug 2013
6-Month		28.00"
(711.20mm)		23.91"
(607.31mm)		4.09"
(103.89mm)		112th Driest
Driest since:
1930
17th Wettest
Wettest since:
2015
Feb–Aug 2013
7-Month		30.54"
(775.72mm)		26.58"
(675.13mm)		3.96"
(100.59mm)		106th Driest
Driest since:
1930
23rd Wettest
Wettest since:
2019
Jan–Aug 2013
8-Month		35.12"
(892.05mm)		29.63"
(752.60mm)		5.49"
(139.45mm)		116th Driest
Driest since:
1936
13th Wettest
Wettest since:
2019
Dec 2012–Aug 2013
9-Month		38.80"
(985.52mm)		32.72"
(831.09mm)		6.08"
(154.43mm)		118th Driest
Driest since:
1936
10th Wettest
Wettest since:
2019
Nov 2012–Aug 2013
10-Month		40.06"
(1,017.52mm)		35.86"
(910.84mm)		4.20"
(106.68mm)		102nd Driest
Driest since:
1936
26th Wettest
Wettest since:
2019
Oct 2012–Aug 2013
11-Month		43.85"
(1,113.79mm)		38.78"
(985.01mm)		5.07"
(128.78mm)		106th Driest
Driest since:
1936
22nd Wettest
Wettest since:
2019
Sep 2012–Aug 2013
12-Month		49.11"
(1,247.39mm)		42.24"
(1,072.90mm)		6.87"
(174.49mm)		119th Driest
Driest since:
1936
9th Wettest
Wettest since:
2019
Mar 2012–Aug 2013
18-Month		66.99"
(1,701.55mm)		66.13"
(1,679.70mm)		0.86"
(21.85mm)		60th Driest
Driest since:
1931
68th Wettest
Wettest since:
2019
Sep 2011–Aug 2013
24-Month		89.78"
(2,280.41mm)		84.47"
(2,145.54mm)		5.31"
(134.87mm)		88th Driest
Driest since:
1941
39th Wettest
Wettest since:
2020
Sep 2010–Aug 2013
36-Month		136.83"
(3,475.48mm)		126.74"
(3,219.20mm)		10.09"
(256.28mm)		102nd Driest
Driest since:
1941
24th Wettest
Wettest since:
2020
Sep 2009–Aug 2013
48-Month		184.68"
(4,690.87mm)		168.98"
(4,292.09mm)		15.70"
(398.78mm)		109th Driest
Driest since:
1956
16th Wettest
Wettest since:
2022
Sep 2008–Aug 2013
60-Month		231.89"
(5,890.01mm)		211.20"
(5,364.48mm)		20.69"
(525.53mm)		115th Driest
Driest since:
1934
9th Wettest
Wettest since:
2020

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