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, December 2010

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 2010
1-Month		1.99"
(50.55mm)		3.11"
(78.99mm)		-1.12"
(-28.44mm)		22nd Driest
Driest since:
1958
107th Wettest
Wettest since:
1990
Ties: 1934
Nov–Dec 2010
2-Month		6.01"
(152.65mm)		6.23"
(158.24mm)		-0.22"
(-5.59mm)		64th Driest
Driest since:
1976
65th Wettest
Wettest since:
2015
Oct–Dec 2010
3-Month		7.60"
(193.04mm)		9.13"
(231.90mm)		-1.53"
(-38.86mm)		38th Driest
Driest since:
1963
91st Wettest
Wettest since:
1990
Sep–Dec 2010
4-Month		11.20"
(284.48mm)		12.60"
(320.04mm)		-1.40"
(-35.56mm)		43rd Driest
Driest since:
1963
86th Wettest
Wettest since:
1926
Aug–Dec 2010
5-Month		14.23"
(361.44mm)		16.27"
(413.26mm)		-2.04"
(-51.82mm)		29th Driest
Driest since:
1953
100th Wettest
Wettest since:
1926
Jul–Dec 2010
6-Month		19.23"
(488.44mm)		20.27"
(514.86mm)		-1.04"
(-26.42mm)		40th Driest
Driest since:
1953
89th Wettest
Wettest since:
1926
Jun–Dec 2010
7-Month		24.81"
(630.17mm)		24.52"
(622.81mm)		0.29"
(7.36mm)		60th Driest
Driest since:
1953
69th Wettest
Wettest since:
2015
May–Dec 2010
8-Month		31.39"
(797.31mm)		28.79"
(731.27mm)		2.60"
(66.04mm)		86th Driest
Driest since:
1953
43rd Wettest
Wettest since:
2015
Apr–Dec 2010
9-Month		34.54"
(877.32mm)		32.70"
(830.58mm)		1.84"
(46.74mm)		74th Driest
Driest since:
1930
55th Wettest
Wettest since:
2015
Mar–Dec 2010
10-Month		37.67"
(956.82mm)		36.51"
(927.35mm)		1.16"
(29.47mm)		74th Driest
Driest since:
1930
55th Wettest
Wettest since:
2011
Feb–Dec 2010
11-Month		39.76"
(1,009.90mm)		39.19"
(995.43mm)		0.57"
(14.47mm)		65th Driest
Driest since:
1930
64th Wettest
Wettest since:
2011
Jan–Dec 2010
12-Month		42.36"
(1,075.94mm)		42.23"
(1,072.64mm)		0.13"
(3.30mm)		61st Driest
Driest since:
1930
68th Wettest
Wettest since:
2019
Jul 2009–Dec 2010
18-Month		68.11"
(1,729.99mm)		62.51"
(1,587.75mm)		5.60"
(142.24mm)		101st Driest
Driest since:
1953
27th Wettest
Wettest since:
2019
Jan 2009–Dec 2010
24-Month		92.36"
(2,345.94mm)		84.45"
(2,145.03mm)		7.91"
(200.91mm)		108th Driest
Driest since:
1953
20th Wettest
Wettest since:
2019
Jan 2008–Dec 2010
36-Month		142.14"
(3,610.36mm)		126.69"
(3,217.93mm)		15.45"
(392.43mm)		118th Driest
Driest since:
1954
9th Wettest
Wettest since:
2020
Jan 2007–Dec 2010
48-Month		181.96"
(4,621.78mm)		168.95"
(4,291.33mm)		13.01"
(330.45mm)		105th Driest
Driest since:
1955
21st Wettest
Wettest since:
2021
Jan 2006–Dec 2010
60-Month		226.47"
(5,752.34mm)		211.20"
(5,364.48mm)		15.27"
(387.86mm)		107th Driest
Driest since:
1956
18th Wettest
Wettest since:
2021

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