Regional Rankings

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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 1955

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1955 1-Month	3.04" (77.22mm)	3.47" (88.14mm)	-0.43" (-10.92mm)	48th Driest	Driest since: 1954	1897
September 1955 1-Month	3.04" (77.22mm)	3.47" (88.14mm)	-0.43" (-10.92mm)	81st Wettest	Wettest since: 1951	1926
Aug–Sep 1955 2-Month	5.90" (149.86mm)	7.14" (181.36mm)	-1.24" (-31.50mm)	25th Driest	Driest since: 1953	1897
Aug–Sep 1955 2-Month	5.90" (149.86mm)	7.14" (181.36mm)	-1.24" (-31.50mm)	104th Wettest	Wettest since: 1954	1926
Jul–Sep 1955 3-Month	9.66" (245.36mm)	11.14" (282.96mm)	-1.48" (-37.60mm)	26th Driest	Driest since: 1953	1953
Jul–Sep 1955 3-Month	9.66" (245.36mm)	11.14" (282.96mm)	-1.48" (-37.60mm)	103rd Wettest	Wettest since: 1954	1926
Jun–Sep 1955 4-Month	13.50" (342.90mm)	15.39" (390.91mm)	-1.89" (-48.01mm)	24th Driest	Driest since: 1954	1953
Jun–Sep 1955 4-Month	13.50" (342.90mm)	15.39" (390.91mm)	-1.89" (-48.01mm)	105th Wettest	Wettest since: 1951	1915
May–Sep 1955 5-Month	17.71" (449.83mm)	19.66" (499.36mm)	-1.95" (-49.53mm)	30th Driest	Driest since: 1954	1930
May–Sep 1955 5-Month	17.71" (449.83mm)	19.66" (499.36mm)	-1.95" (-49.53mm)	99th Wettest	Wettest since: 1951	1915
Apr–Sep 1955 6-Month	21.29" (540.77mm)	23.57" (598.68mm)	-2.28" (-57.91mm)	29th Driest	Driest since: 1954	1930
Apr–Sep 1955 6-Month	21.29" (540.77mm)	23.57" (598.68mm)	-2.28" (-57.91mm)	100th Wettest	Wettest since: 1951	2011
Mar–Sep 1955 7-Month	26.10" (662.94mm)	27.38" (695.45mm)	-1.28" (-32.51mm)	42nd Driest	Driest since: 1954	1930
Mar–Sep 1955 7-Month	26.10" (662.94mm)	27.38" (695.45mm)	-1.28" (-32.51mm)	87th Wettest	Wettest since: 1951	1945
Feb–Sep 1955 8-Month	30.38" (771.65mm)	30.05" (763.27mm)	0.33" (8.38mm)	60th Driest	Driest since: 1954	1930
Feb–Sep 1955 8-Month	30.38" (771.65mm)	30.05" (763.27mm)	0.33" (8.38mm)	69th Wettest	Wettest since: 1951	1945
Jan–Sep 1955 9-Month	32.12" (815.85mm)	33.10" (840.74mm)	-0.98" (-24.89mm)	44th Driest	Driest since: 1954	1930
Jan–Sep 1955 9-Month	32.12" (815.85mm)	33.10" (840.74mm)	-0.98" (-24.89mm)	85th Wettest	Wettest since: 1951	1950
Dec 1954–Sep 1955 10-Month	35.74" (907.80mm)	36.19" (919.23mm)	-0.45" (-11.43mm)	54th Driest	Driest since: 1954	1930
Dec 1954–Sep 1955 10-Month	35.74" (907.80mm)	36.19" (919.23mm)	-0.45" (-11.43mm)	74th Wettest	Wettest since: 1951	1950
Nov 1954–Sep 1955 11-Month	37.24" (945.90mm)	39.33" (998.98mm)	-2.09" (-53.08mm)	32nd Driest	Driest since: 1954	1930
Nov 1954–Sep 1955 11-Month	37.24" (945.90mm)	39.33" (998.98mm)	-2.09" (-53.08mm)	96th Wettest	Wettest since: 1952	2019
Oct 1954–Sep 1955 12-Month	42.05" (1,068.07mm)	42.25" (1,073.15mm)	-0.20" (-5.08mm)	51st Driest	Driest since: 1954	1925
Oct 1954–Sep 1955 12-Month	42.05" (1,068.07mm)	42.25" (1,073.15mm)	-0.20" (-5.08mm)	77th Wettest	Wettest since: 1952	2019
Apr 1954–Sep 1955 18-Month	62.37" (1,584.20mm)	65.79" (1,671.07mm)	-3.42" (-86.87mm)	26th Driest	Driest since: 1954	1931
Apr 1954–Sep 1955 18-Month	62.37" (1,584.20mm)	65.79" (1,671.07mm)	-3.42" (-86.87mm)	102nd Wettest	Wettest since: 1952	2019
Oct 1953–Sep 1955 24-Month	75.75" (1,924.05mm)	84.47" (2,145.54mm)	-8.72" (-221.49mm)	8th Driest	Driest since: 1954	1941
Oct 1953–Sep 1955 24-Month	75.75" (1,924.05mm)	84.47" (2,145.54mm)	-8.72" (-221.49mm)	119th Wettest	Wettest since: 1953	2020
Oct 1952–Sep 1955 36-Month	109.65" (2,785.11mm)	126.72" (3,218.69mm)	-17.07" (-433.58mm)	2nd Driest	Driest since: 1941	1941
Oct 1952–Sep 1955 36-Month	109.65" (2,785.11mm)	126.72" (3,218.69mm)	-17.07" (-433.58mm)	124th Wettest	Wettest since: 1954	2020
Oct 1951–Sep 1955 48-Month	151.99" (3,860.55mm)	168.99" (4,292.35mm)	-17.00" (-431.80mm)	3rd Driest	Driest to Date	1956
Oct 1951–Sep 1955 48-Month	151.99" (3,860.55mm)	168.99" (4,292.35mm)	-17.00" (-431.80mm)	122nd Wettest	Wettest since: 1954	2021
Oct 1950–Sep 1955 60-Month	196.11" (4,981.19mm)	211.21" (5,364.73mm)	-15.10" (-383.54mm)	7th Driest	Driest since: 1944	1956
Oct 1950–Sep 1955 60-Month	196.11" (4,981.19mm)	211.21" (5,364.73mm)	-15.10" (-383.54mm)	117th Wettest	Wettest since: 1954	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings