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 1946

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1946
1-Month		2.72"
(69.09mm)		3.11"
(78.99mm)		-0.39"
(-9.90mm)		49th Driest
Driest since:
1958
80th Wettest
Wettest since:
1990
Nov–Dec 1946
2-Month		6.97"
(177.04mm)		6.23"
(158.24mm)		0.74"
(18.80mm)		86th Driest
Driest since:
1976
43rd Wettest
Wettest since:
2015
Ties: 1932, 1977
Oct–Dec 1946
3-Month		9.86"
(250.44mm)		9.13"
(231.90mm)		0.73"
(18.54mm)		73rd Driest
Driest since:
1963
56th Wettest
Wettest since:
1990
Ties: 1969
Sep–Dec 1946
4-Month		12.12"
(307.85mm)		12.60"
(320.04mm)		-0.48"
(-12.19mm)		54th Driest
Driest since:
1963
75th Wettest
Wettest since:
1926
Aug–Dec 1946
5-Month		16.29"
(413.77mm)		16.27"
(413.26mm)		0.02"
(0.51mm)		62nd Driest
Driest since:
1953
67th Wettest
Wettest since:
1926
Jul–Dec 1946
6-Month		19.43"
(493.52mm)		20.27"
(514.86mm)		-0.84"
(-21.34mm)		42nd Driest
Driest since:
1953
87th Wettest
Wettest since:
1926
Jun–Dec 1946
7-Month		23.47"
(596.14mm)		24.52"
(622.81mm)		-1.05"
(-26.67mm)		45th Driest
Driest since:
1953
84th Wettest
Wettest since:
2015
May–Dec 1946
8-Month		29.36"
(745.74mm)		28.79"
(731.27mm)		0.57"
(14.47mm)		59th Driest
Driest since:
1953
70th Wettest
Wettest since:
2015
Apr–Dec 1946
9-Month		31.75"
(806.45mm)		32.70"
(830.58mm)		-0.95"
(-24.13mm)		47th Driest
Driest since:
1930
82nd Wettest
Wettest since:
2015
Mar–Dec 1946
10-Month		35.28"
(896.11mm)		36.51"
(927.35mm)		-1.23"
(-31.24mm)		47th Driest
Driest since:
1930
82nd Wettest
Wettest since:
2011
Feb–Dec 1946
11-Month		38.71"
(983.23mm)		39.19"
(995.43mm)		-0.48"
(-12.20mm)		53rd Driest
Driest since:
1930
76th Wettest
Wettest since:
2011
Ties: 2000
Jan–Dec 1946
12-Month		42.02"
(1,067.31mm)		42.23"
(1,072.64mm)		-0.21"
(-5.33mm)		56th Driest
Driest since:
1930
73rd Wettest
Wettest since:
2019
Jul 1945–Dec 1946
18-Month		62.68"
(1,592.07mm)		62.51"
(1,587.75mm)		0.17"
(4.32mm)		53rd Driest
Driest since:
1953
75th Wettest
Wettest since:
2019
Jan 1945–Dec 1946
24-Month		92.01"
(2,337.05mm)		84.45"
(2,145.03mm)		7.56"
(192.02mm)		106th Driest
Driest since:
1953
22nd Wettest
Wettest since:
2019
Jan 1944–Dec 1946
36-Month		131.55"
(3,341.37mm)		126.69"
(3,217.93mm)		4.86"
(123.44mm)		83rd Driest
Driest since:
1954
44th Wettest
Wettest since:
2020
Jan 1943–Dec 1946
48-Month		169.20"
(4,297.68mm)		168.95"
(4,291.33mm)		0.25"
(6.35mm)		51st Driest
Driest since:
1955
75th Wettest
Wettest since:
2021
Jan 1942–Dec 1946
60-Month		213.90"
(5,433.06mm)		211.20"
(5,364.48mm)		2.70"
(68.58mm)		65th Driest
Driest since:
1956
60th Wettest
Wettest since:
2021

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