Statewide Rankings

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Month:

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Precipitation Rankings, July 1920

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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
July 1920 1-Month	4.60" (116.84mm)	4.19" (106.43mm)	0.41" (10.41mm)	79th Driest	Driest since: 1918	1909
July 1920 1-Month	4.60" (116.84mm)	4.19" (106.43mm)	0.41" (10.41mm)	50th Wettest	Wettest since: 1919	2018
Jun–Jul 1920 2-Month	9.64" (244.86mm)	8.36" (212.34mm)	1.28" (32.52mm)	92nd Driest	Driest since: 1919	1966
Jun–Jul 1920 2-Month	9.64" (244.86mm)	8.36" (212.34mm)	1.28" (32.52mm)	37th Wettest	Wettest since: 1917	1972
May–Jul 1920 3-Month	11.74" (298.20mm)	12.28" (311.91mm)	-0.54" (-13.71mm)	45th Driest	Driest since: 1914	1966
	11.74" (298.20mm)	12.28" (311.91mm)	-0.54" (-13.71mm)	84th Wettest	Wettest since: 1919	1989
	Ties: 1907
Apr–Jul 1920 4-Month	16.19" (411.23mm)	15.93" (404.62mm)	0.26" (6.61mm)	66th Driest	Driest since: 1917	1965
Apr–Jul 1920 4-Month	16.19" (411.23mm)	15.93" (404.62mm)	0.26" (6.61mm)	63rd Wettest	Wettest since: 1919	1972
Mar–Jul 1920 5-Month	19.04" (483.62mm)	19.42" (493.27mm)	-0.38" (-9.65mm)	54th Driest	Driest since: 1918	1966
Mar–Jul 1920 5-Month	19.04" (483.62mm)	19.42" (493.27mm)	-0.38" (-9.65mm)	75th Wettest	Wettest since: 1919	1972
Feb–Jul 1920 6-Month	21.57" (547.88mm)	22.02" (559.31mm)	-0.45" (-11.43mm)	54th Driest	Driest since: 1918	1965
	21.57" (547.88mm)	22.02" (559.31mm)	-0.45" (-11.43mm)	75th Wettest	Wettest since: 1919	2018
	Ties: 2013
Jan–Jul 1920 7-Month	24.12" (612.65mm)	25.07" (636.78mm)	-0.95" (-24.13mm)	41st Driest	Driest since: 1911	1991
	24.12" (612.65mm)	25.07" (636.78mm)	-0.95" (-24.13mm)	88th Wettest	Wettest since: 1919	2018
	Ties: 1939
Dec 1919–Jul 1920 8-Month	26.70" (678.18mm)	28.17" (715.52mm)	-1.47" (-37.34mm)	37th Driest	Driest since: 1911	1966
	26.70" (678.18mm)	28.17" (715.52mm)	-1.47" (-37.34mm)	91st Wettest	Wettest since: 1919	2019
	Ties: 1939
Nov 1919–Jul 1920 9-Month	30.83" (783.08mm)	31.37" (796.80mm)	-0.54" (-13.72mm)	59th Driest	Driest since: 1918	1966
	30.83" (783.08mm)	31.37" (796.80mm)	-0.54" (-13.72mm)	69th Wettest	Wettest since: 1919	2019
	Ties: 1914
Oct 1919–Jul 1920 10-Month	35.66" (905.76mm)	34.55" (877.57mm)	1.11" (28.19mm)	77th Driest	Driest since: 1919	1934
Oct 1919–Jul 1920 10-Month	35.66" (905.76mm)	34.55" (877.57mm)	1.11" (28.19mm)	51st Wettest	Wettest since: 1916	2019
Sep 1919–Jul 1920 11-Month	37.72" (958.09mm)	38.11" (967.99mm)	-0.39" (-9.90mm)	56th Driest	Driest since: 1918	1965
Sep 1919–Jul 1920 11-Month	37.72" (958.09mm)	38.11" (967.99mm)	-0.39" (-9.90mm)	72nd Wettest	Wettest since: 1919	2019
Aug 1919–Jul 1920 12-Month	43.01" (1,092.45mm)	41.98" (1,066.29mm)	1.03" (26.16mm)	74th Driest	Driest since: 1919	1965
Aug 1919–Jul 1920 12-Month	43.01" (1,092.45mm)	41.98" (1,066.29mm)	1.03" (26.16mm)	54th Wettest	Wettest since: 1916	2019
Feb 1919–Jul 1920 18-Month	66.51" (1,689.35mm)	63.96" (1,624.58mm)	2.55" (64.77mm)	84th Driest	Driest since: 1919	1966
Feb 1919–Jul 1920 18-Month	66.51" (1,689.35mm)	63.96" (1,624.58mm)	2.55" (64.77mm)	44th Wettest	Wettest since: 1916	2019
Aug 1918–Jul 1920 24-Month	85.50" (2,171.70mm)	83.89" (2,130.81mm)	1.61" (40.89mm)	70th Driest	Driest since: 1919	1966
Aug 1918–Jul 1920 24-Month	85.50" (2,171.70mm)	83.89" (2,130.81mm)	1.61" (40.89mm)	57th Wettest	Wettest since: 1916	2019
Aug 1917–Jul 1920 36-Month	126.76" (3,219.70mm)	125.92" (3,198.37mm)	0.84" (21.33mm)	62nd Driest	Driest since: 1919	1966
Aug 1917–Jul 1920 36-Month	126.76" (3,219.70mm)	125.92" (3,198.37mm)	0.84" (21.33mm)	64th Wettest	Wettest since: 1916	2019
Aug 1916–Jul 1920 48-Month	165.00" (4,191.00mm)	167.89" (4,264.41mm)	-2.89" (-73.41mm)	34th Driest	Driest since: 1912	1966
Aug 1916–Jul 1920 48-Month	165.00" (4,191.00mm)	167.89" (4,264.41mm)	-2.89" (-73.41mm)	91st Wettest	Wettest since: 1919	2020
Aug 1915–Jul 1920 60-Month	211.15" (5,363.21mm)	209.81" (5,329.17mm)	1.34" (34.04mm)	52nd Driest	Driest since: 1919	1966
Aug 1915–Jul 1920 60-Month	211.15" (5,363.21mm)	209.81" (5,329.17mm)	1.34" (34.04mm)	72nd Wettest	Wettest since: 1917	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings