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 1944

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1944
1-Month 		3.46"
(87.88mm)		 3.47"
(88.14mm)		 -0.01"
(-0.26mm)		 75th Driest
Driest since:
 1897
54th Wettest
Wettest since:
 1926
Aug–Sep 1944
2-Month 		8.22"
(208.79mm)		 7.14"
(181.36mm)		 1.08"
(27.43mm)		 101st Driest
Driest since:
 1897
28th Wettest
Wettest since:
 1926
Jul–Sep 1944
3-Month 		10.28"
(261.11mm)		 11.14"
(282.96mm)		 -0.86"
(-21.85mm)		 40th Driest
Driest since:
 1953
89th Wettest
Wettest since:
 1926
Jun–Sep 1944
4-Month 		12.76"
(324.10mm)		 15.39"
(390.91mm)		 -2.63"
(-66.81mm)		 18th Driest
Driest since:
 1953
111th Wettest
Wettest since:
 1915
May–Sep 1944
5-Month 		16.76"
(425.70mm)		 19.66"
(499.36mm)		 -2.90"
(-73.66mm)		 20th Driest
Driest since:
 1930
109th Wettest
Wettest since:
 1915
Apr–Sep 1944
6-Month 		22.36"
(567.94mm)		 23.57"
(598.68mm)		 -1.21"
(-30.74mm)		 41st Driest
Driest since:
 1930
88th Wettest
Wettest since:
 2011
Mar–Sep 1944
7-Month 		27.22"
(691.39mm)		 27.38"
(695.45mm)		 -0.16"
(-4.06mm)		 54th Driest
Driest since:
 1930
75th Wettest
Wettest since:
 1945
Feb–Sep 1944
8-Month 		31.24"
(793.50mm)		 30.05"
(763.27mm)		 1.19"
(30.23mm)		 74th Driest
Driest since:
 1930
55th Wettest
Wettest since:
 1945
Jan–Sep 1944
9-Month 		32.43"
(823.72mm)		 33.10"
(840.74mm)		 -0.67"
(-17.02mm)		 48th Driest
Driest since:
 1930
81st Wettest
Wettest since:
 1950
Ties: 1969
Dec 1943–Sep 1944
10-Month 		34.30"
(871.22mm)		 36.19"
(919.23mm)		 -1.89"
(-48.01mm)		 31st Driest
Driest since:
 1930
97th Wettest
Wettest since:
 1950
Nov 1943–Sep 1944
11-Month 		35.90"
(911.86mm)		 39.33"
(998.98mm)		 -3.43"
(-87.12mm)		 25th Driest
Driest since:
 1930
103rd Wettest
Wettest since:
 2019
Oct 1943–Sep 1944
12-Month 		38.06"
(966.72mm)		 42.25"
(1,073.15mm)		 -4.19"
(-106.43mm)		 18th Driest
Driest since:
 1925
110th Wettest
Wettest since:
 2019
Apr 1943–Sep 1944
18-Month 		62.65"
(1,591.31mm)		 65.79"
(1,671.07mm)		 -3.14"
(-79.76mm)		 28th Driest
Driest since:
 1931
100th Wettest
Wettest since:
 2019
Oct 1942–Sep 1944
24-Month 		81.36"
(2,066.54mm)		 84.47"
(2,145.54mm)		 -3.11"
(-79.00mm)		 35th Driest
Driest since:
 1941
92nd Wettest
Wettest since:
 2020
Ties: 1956
Oct 1941–Sep 1944
36-Month 		126.20"
(3,205.48mm)		 126.72"
(3,218.69mm)		 -0.52"
(-13.21mm)		 51st Driest
Driest since:
 1941
75th Wettest
Wettest since:
 2020
Oct 1940–Sep 1944
48-Month 		159.68"
(4,055.87mm)		 168.99"
(4,292.35mm)		 -9.31"
(-236.48mm)		 17th Driest
Driest since:
 1956
108th Wettest
Wettest since:
 2021
Oct 1939–Sep 1944
60-Month 		193.34"
(4,910.84mm)		 211.21"
(5,364.73mm)		 -17.87"
(-453.89mm)		 6th Driest
Driest since:
 1956
118th Wettest
Wettest since:
 2020

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