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, November 1970

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 1970
1-Month 		2.17"
(55.12mm)		 3.13"
(79.50mm)		 -0.96"
(-24.38mm)		 28th Driest
Driest since:
 1904
101st Wettest
Wettest since:
 1985
Oct–Nov 1970
2-Month 		6.32"
(160.53mm)		 6.03"
(153.16mm)		 0.29"
(7.37mm)		 72nd Driest
Driest since:
 1904
57th Wettest
Wettest since:
 1919
Ties: 2002
Sep–Nov 1970
3-Month 		12.05"
(306.07mm)		 9.50"
(241.30mm)		 2.55"
(64.77mm)		 106th Driest
Driest since:
 1953
23rd Wettest
Wettest since:
 1926
Aug–Nov 1970
4-Month 		15.98"
(405.89mm)		 13.17"
(334.52mm)		 2.81"
(71.37mm)		 111th Driest
Driest since:
 1953
18th Wettest
Wettest since:
 1926
Jul–Nov 1970
5-Month 		19.08"
(484.63mm)		 17.16"
(435.86mm)		 1.92"
(48.77mm)		 92nd Driest
Driest since:
 1953
37th Wettest
Wettest since:
 1926
Ties: 2016
Jun–Nov 1970
6-Month 		24.15"
(613.41mm)		 21.42"
(544.07mm)		 2.73"
(69.34mm)		 94th Driest
Driest since:
 1953
35th Wettest
Wettest since:
 1926
May–Nov 1970
7-Month 		28.18"
(715.77mm)		 25.68"
(652.27mm)		 2.50"
(63.50mm)		 87th Driest
Driest since:
 1953
42nd Wettest
Wettest since:
 1915
Apr–Nov 1970
8-Month 		34.27"
(870.46mm)		 29.60"
(751.84mm)		 4.67"
(118.62mm)		 109th Driest
Driest since:
 1930
20th Wettest
Wettest since:
 2011
Mar–Nov 1970
9-Month 		37.46"
(951.48mm)		 33.41"
(848.61mm)		 4.05"
(102.87mm)		 100th Driest
Driest since:
 1930
29th Wettest
Wettest since:
 2011
Feb–Nov 1970
10-Month 		39.42"
(1,001.27mm)		 36.08"
(916.43mm)		 3.34"
(84.84mm)		 90th Driest
Driest since:
 1930
39th Wettest
Wettest since:
 2011
Jan–Nov 1970
11-Month 		40.47"
(1,027.94mm)		 39.12"
(993.65mm)		 1.35"
(34.29mm)		 75th Driest
Driest since:
 1930
54th Wettest
Wettest since:
 2019
Dec 1969–Nov 1970
12-Month 		44.05"
(1,118.87mm)		 42.22"
(1,072.39mm)		 1.83"
(46.48mm)		 74th Driest
Driest since:
 1901
54th Wettest
Wettest since:
 2019
Jun 1969–Nov 1970
18-Month 		67.33"
(1,710.18mm)		 63.66"
(1,616.96mm)		 3.67"
(93.22mm)		 83rd Driest
Driest since:
 1953
45th Wettest
Wettest since:
 2019
Dec 1968–Nov 1970
24-Month 		86.13"
(2,187.70mm)		 84.44"
(2,144.78mm)		 1.69"
(42.92mm)		 71st Driest
Driest since:
 1931
56th Wettest
Wettest since:
 2019
Ties: 1906
Dec 1967–Nov 1970
36-Month 		128.22"
(3,256.79mm)		 126.67"
(3,217.42mm)		 1.55"
(39.37mm)		 62nd Driest
Driest since:
 1954
64th Wettest
Wettest since:
 2020
Dec 1966–Nov 1970
48-Month 		170.45"
(4,329.43mm)		 168.94"
(4,291.08mm)		 1.51"
(38.35mm)		 63rd Driest
Driest since:
 1956
62nd Wettest
Wettest since:
 2020
Dec 1965–Nov 1970
60-Month 		207.58"
(5,272.53mm)		 211.17"
(5,363.72mm)		 -3.59"
(-91.19mm)		 35th Driest
Driest since:
 1956
89th Wettest
Wettest since:
 2021
Ties: 1989

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