Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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, August 1915

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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
August 1915 1-Month	6.42" (163.07mm)	3.67" (93.22mm)	2.75" (69.85mm)	128th Driest	Driest since: 1914	1953
August 1915 1-Month	6.42" (163.07mm)	3.67" (93.22mm)	2.75" (69.85mm)	1st Wettest	Wettest to Date	1915
Jul–Aug 1915 2-Month	12.16" (308.86mm)	7.67" (194.82mm)	4.49" (114.04mm)	128th Driest	Driest since: 1914	1930
Jul–Aug 1915 2-Month	12.16" (308.86mm)	7.67" (194.82mm)	4.49" (114.04mm)	1st Wettest	Wettest to Date	1915
Jun–Aug 1915 3-Month	16.92" (429.77mm)	11.92" (302.77mm)	5.00" (127.00mm)	125th Driest	Driest since: 1914	1930
Jun–Aug 1915 3-Month	16.92" (429.77mm)	11.92" (302.77mm)	5.00" (127.00mm)	4th Wettest	Wettest to Date	1958
May–Aug 1915 4-Month	23.04" (585.22mm)	16.19" (411.23mm)	6.85" (173.99mm)	128th Driest	Driest since: 1914	1936
May–Aug 1915 4-Month	23.04" (585.22mm)	16.19" (411.23mm)	6.85" (173.99mm)	1st Wettest	Wettest to Date	1915
Apr–Aug 1915 5-Month	24.57" (624.08mm)	20.10" (510.54mm)	4.47" (113.54mm)	117th Driest	Driest since: 1914	1930
Apr–Aug 1915 5-Month	24.57" (624.08mm)	20.10" (510.54mm)	4.47" (113.54mm)	12th Wettest	Wettest to Date	2015
Mar–Aug 1915 6-Month	26.15" (664.21mm)	23.91" (607.31mm)	2.24" (56.90mm)	91st Driest	Driest since: 1914	1930
Mar–Aug 1915 6-Month	26.15" (664.21mm)	23.91" (607.31mm)	2.24" (56.90mm)	38th Wettest	Wettest since: 1912	2015
Feb–Aug 1915 7-Month	28.66" (727.96mm)	26.58" (675.13mm)	2.08" (52.83mm)	86th Driest	Driest since: 1914	1930
Feb–Aug 1915 7-Month	28.66" (727.96mm)	26.58" (675.13mm)	2.08" (52.83mm)	43rd Wettest	Wettest since: 1912	2019
Jan–Aug 1915 8-Month	32.40" (822.96mm)	29.63" (752.60mm)	2.77" (70.36mm)	90th Driest	Driest since: 1914	1936
Jan–Aug 1915 8-Month	32.40" (822.96mm)	29.63" (752.60mm)	2.77" (70.36mm)	39th Wettest	Wettest since: 1912	2019
Dec 1914–Aug 1915 9-Month	36.37" (923.80mm)	32.72" (831.09mm)	3.65" (92.71mm)	96th Driest	Driest since: 1914	1936
Dec 1914–Aug 1915 9-Month	36.37" (923.80mm)	32.72" (831.09mm)	3.65" (92.71mm)	32nd Wettest	Wettest since: 1912	2019
Nov 1914–Aug 1915 10-Month	37.48" (951.99mm)	35.86" (910.84mm)	1.62" (41.15mm)	70th Driest	Driest since: 1914	1936
Nov 1914–Aug 1915 10-Month	37.48" (951.99mm)	35.86" (910.84mm)	1.62" (41.15mm)	58th Wettest	Wettest since: 1912	2019
Oct 1914–Aug 1915 11-Month	41.20" (1,046.48mm)	38.78" (985.01mm)	2.42" (61.47mm)	78th Driest	Driest since: 1914	1936
Oct 1914–Aug 1915 11-Month	41.20" (1,046.48mm)	38.78" (985.01mm)	2.42" (61.47mm)	50th Wettest	Wettest since: 1912	2019
Sep 1914–Aug 1915 12-Month	44.63" (1,133.60mm)	42.24" (1,072.90mm)	2.39" (60.70mm)	79th Driest	Driest since: 1914	1936
Sep 1914–Aug 1915 12-Month	44.63" (1,133.60mm)	42.24" (1,072.90mm)	2.39" (60.70mm)	49th Wettest	Wettest since: 1912	2019
Mar 1914–Aug 1915 18-Month	63.08" (1,602.23mm)	66.13" (1,679.70mm)	-3.05" (-77.47mm)	31st Driest	Driest since: 1914	1931
Mar 1914–Aug 1915 18-Month	63.08" (1,602.23mm)	66.13" (1,679.70mm)	-3.05" (-77.47mm)	97th Wettest	Wettest since: 1913	2019
Sep 1913–Aug 1915 24-Month	80.40" (2,042.16mm)	84.47" (2,145.54mm)	-4.07" (-103.38mm)	33rd Driest	Driest since: 1914	1941
Sep 1913–Aug 1915 24-Month	80.40" (2,042.16mm)	84.47" (2,145.54mm)	-4.07" (-103.38mm)	94th Wettest	Wettest since: 1913	2020
Sep 1912–Aug 1915 36-Month	120.40" (3,058.16mm)	126.74" (3,219.20mm)	-6.34" (-161.04mm)	24th Driest	Driest since: 1911	1941
	120.40" (3,058.16mm)	126.74" (3,219.20mm)	-6.34" (-161.04mm)	102nd Wettest	Wettest since: 1914	2020
	Ties: 1903
Sep 1911–Aug 1915 48-Month	170.12" (4,321.05mm)	168.98" (4,292.09mm)	1.14" (28.96mm)	58th Driest	Driest since: 1914	1956
Sep 1911–Aug 1915 48-Month	170.12" (4,321.05mm)	168.98" (4,292.09mm)	1.14" (28.96mm)	67th Wettest	Wettest since: 1910	2022
Sep 1910–Aug 1915 60-Month	207.97" (5,282.44mm)	211.20" (5,364.48mm)	-3.23" (-82.04mm)	39th Driest	Driest since: 1914	1934
Sep 1910–Aug 1915 60-Month	207.97" (5,282.44mm)	211.20" (5,364.48mm)	-3.23" (-82.04mm)	85th Wettest	Wettest since: 1913	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings