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, January 1910

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
January 1910
1-Month		3.36"
(85.34mm)		3.04"
(77.22mm)		0.32"
(8.12mm)		81st Driest
Driest since:
1981
49th Wettest
Wettest since:
1937
Ties: 1924
Dec 1909–Jan 1910
2-Month		6.39"
(162.31mm)		6.14"
(155.96mm)		0.25"
(6.35mm)		78th Driest
Driest since:
1981
51st Wettest
Wettest since:
1937
Ties: 1995
Nov 1909–Jan 1910
3-Month		9.56"
(242.82mm)		9.28"
(235.71mm)		0.28"
(7.11mm)		68th Driest
Driest since:
1977
61st Wettest
Wettest since:
1937
Oct 1909–Jan 1910
4-Month		12.22"
(310.39mm)		12.19"
(309.63mm)		0.03"
(0.76mm)		62nd Driest
Driest since:
1964
67th Wettest
Wettest since:
1937
Sep 1909–Jan 1910
5-Month		15.58"
(395.73mm)		15.66"
(397.76mm)		-0.08"
(-2.03mm)		62nd Driest
Driest since:
1964
67th Wettest
Wettest since:
1937
Aug 1909–Jan 1910
6-Month		17.88"
(454.15mm)		19.33"
(490.98mm)		-1.45"
(-36.83mm)		42nd Driest
Driest since:
1964
87th Wettest
Wettest since:
1927
Jul 1909–Jan 1910
7-Month		23.01"
(584.45mm)		23.32"
(592.33mm)		-0.31"
(-7.88mm)		53rd Driest
Driest since:
1931
76th Wettest
Wettest since:
1916
Jun 1909–Jan 1910
8-Month		28.38"
(720.85mm)		27.57"
(700.28mm)		0.81"
(20.57mm)		68th Driest
Driest since:
1931
61st Wettest
Wettest since:
1916
May 1909–Jan 1910
9-Month		33.22"
(843.79mm)		31.83"
(808.48mm)		1.39"
(35.31mm)		68th Driest
Driest since:
1931
61st Wettest
Wettest since:
1916
Apr 1909–Jan 1910
10-Month		38.43"
(976.12mm)		35.74"
(907.80mm)		2.69"
(68.32mm)		85th Driest
Driest since:
1931
44th Wettest
Wettest since:
2012
Ties: 1907, 2018
Mar 1909–Jan 1910
11-Month		41.95"
(1,065.53mm)		39.54"
(1,004.32mm)		2.41"
(61.21mm)		79th Driest
Driest since:
1931
50th Wettest
Wettest since:
1974
Feb 1909–Jan 1910
12-Month		47.08"
(1,195.83mm)		42.22"
(1,072.39mm)		4.86"
(123.44mm)		104th Driest
Driest since:
1931
25th Wettest
Wettest since:
2012
Aug 1908–Jan 1910
18-Month		60.28"
(1,531.11mm)		61.56"
(1,563.62mm)		-1.28"
(-32.51mm)		46th Driest
Driest since:
1931
82nd Wettest
Wettest since:
2020
Feb 1908–Jan 1910
24-Month		87.63"
(2,225.80mm)		84.48"
(2,145.79mm)		3.15"
(80.01mm)		78th Driest
Driest since:
1954
50th Wettest
Wettest since:
2020
Feb 1907–Jan 1910
36-Month		129.09"
(3,278.89mm)		126.72"
(3,218.69mm)		2.37"
(60.20mm)		73rd Driest
Driest since:
1955
54th Wettest
Wettest since:
2021
Feb 1906–Jan 1910
48-Month		173.96"
(4,418.58mm)		168.96"
(4,291.58mm)		5.00"
(127.00mm)		81st Driest
Driest since:
1956
45th Wettest
Wettest to Date
2022
Feb 1905–Jan 1910
60-Month		219.26"
(5,569.20mm)		211.17"
(5,363.72mm)		8.09"
(205.48mm)		87th Driest
Driest since:
1957
38th Wettest
Wettest to Date
2020

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