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, September 1967

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1967
1-Month 		2.88"
(73.15mm)		 3.47"
(88.14mm)		 -0.59"
(-14.99mm)		 39th Driest
Driest since:
 1897
90th Wettest
Wettest since:
 1926
Aug–Sep 1967
2-Month 		5.59"
(141.99mm)		 7.14"
(181.36mm)		 -1.55"
(-39.37mm)		 17th Driest
Driest since:
 1897
112th Wettest
Wettest since:
 1926
Jul–Sep 1967
3-Month 		10.46"
(265.68mm)		 11.14"
(282.96mm)		 -0.68"
(-17.28mm)		 45th Driest
Driest since:
 1953
84th Wettest
Wettest since:
 1926
Jun–Sep 1967
4-Month 		14.49"
(368.05mm)		 15.39"
(390.91mm)		 -0.90"
(-22.86mm)		 43rd Driest
Driest since:
 1953
86th Wettest
Wettest since:
 1915
May–Sep 1967
5-Month 		20.06"
(509.52mm)		 19.66"
(499.36mm)		 0.40"
(10.16mm)		 60th Driest
Driest since:
 1930
69th Wettest
Wettest since:
 1915
Ties: 1916
Apr–Sep 1967
6-Month 		24.05"
(610.87mm)		 23.57"
(598.68mm)		 0.48"
(12.19mm)		 65th Driest
Driest since:
 1930
64th Wettest
Wettest since:
 2011
Ties: 1982
Mar–Sep 1967
7-Month 		27.77"
(705.36mm)		 27.38"
(695.45mm)		 0.39"
(9.91mm)		 60th Driest
Driest since:
 1930
69th Wettest
Wettest since:
 1945
Feb–Sep 1967
8-Month 		29.71"
(754.63mm)		 30.05"
(763.27mm)		 -0.34"
(-8.64mm)		 48th Driest
Driest since:
 1930
81st Wettest
Wettest since:
 1945
Jan–Sep 1967
9-Month 		31.42"
(798.07mm)		 33.10"
(840.74mm)		 -1.68"
(-42.67mm)		 36th Driest
Driest since:
 1930
93rd Wettest
Wettest since:
 1950
Dec 1966–Sep 1967
10-Month 		35.16"
(893.06mm)		 36.19"
(919.23mm)		 -1.03"
(-26.17mm)		 40th Driest
Driest since:
 1930
88th Wettest
Wettest since:
 1950
Nov 1966–Sep 1967
11-Month 		38.63"
(981.20mm)		 39.33"
(998.98mm)		 -0.70"
(-17.78mm)		 48th Driest
Driest since:
 1930
80th Wettest
Wettest since:
 2019
Oct 1966–Sep 1967
12-Month 		40.77"
(1,035.56mm)		 42.25"
(1,073.15mm)		 -1.48"
(-37.59mm)		 40th Driest
Driest since:
 1925
88th Wettest
Wettest since:
 2019
Apr 1966–Sep 1967
18-Month 		62.94"
(1,598.68mm)		 65.79"
(1,671.07mm)		 -2.85"
(-72.39mm)		 33rd Driest
Driest since:
 1931
95th Wettest
Wettest since:
 2019
Oct 1965–Sep 1967
24-Month 		75.99"
(1,930.15mm)		 84.47"
(2,145.54mm)		 -8.48"
(-215.39mm)		 10th Driest
Driest since:
 1941
117th Wettest
Wettest since:
 2020
Oct 1964–Sep 1967
36-Month 		119.22"
(3,028.19mm)		 126.72"
(3,218.69mm)		 -7.50"
(-190.50mm)		 17th Driest
Driest since:
 1941
109th Wettest
Wettest since:
 2020
Oct 1963–Sep 1967
48-Month 		156.94"
(3,986.28mm)		 168.99"
(4,292.35mm)		 -12.05"
(-306.07mm)		 9th Driest
Driest since:
 1956
116th Wettest
Wettest since:
 2021
Oct 1962–Sep 1967
60-Month 		191.55"
(4,865.37mm)		 211.21"
(5,364.73mm)		 -19.66"
(-499.36mm)		 2nd Driest
Driest since:
 1956
122nd Wettest
Wettest since:
 2020

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