Statewide Rankings

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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 1909

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1909 1-Month	1.90" (48.26mm)	4.19" (106.43mm)	-2.29" (-58.17mm)	1st Driest	Driest since: 1909	1909
July 1909 1-Month	1.90" (48.26mm)	4.19" (106.43mm)	-2.29" (-58.17mm)	128th Wettest	Wettest since: 1908	2018
Jun–Jul 1909 2-Month	6.37" (161.80mm)	8.36" (212.34mm)	-1.99" (-50.54mm)	15th Driest	Driest since: 1898	1966
Jun–Jul 1909 2-Month	6.37" (161.80mm)	8.36" (212.34mm)	-1.99" (-50.54mm)	114th Wettest	Wettest since: 1908	1972
May–Jul 1909 3-Month	9.47" (240.54mm)	12.28" (311.91mm)	-2.81" (-71.37mm)	19th Driest	Driest since: 1909	1966
May–Jul 1909 3-Month	9.47" (240.54mm)	12.28" (311.91mm)	-2.81" (-71.37mm)	110th Wettest	Wettest since: 1908	1989
Apr–Jul 1909 4-Month	15.09" (383.29mm)	15.93" (404.62mm)	-0.84" (-21.33mm)	45th Driest	Driest since: 1907	1965
Apr–Jul 1909 4-Month	15.09" (383.29mm)	15.93" (404.62mm)	-0.84" (-21.33mm)	84th Wettest	Wettest since: 1908	1972
Mar–Jul 1909 5-Month	18.10" (459.74mm)	19.42" (493.27mm)	-1.32" (-33.53mm)	38th Driest	Driest since: 1900	1966
Mar–Jul 1909 5-Month	18.10" (459.74mm)	19.42" (493.27mm)	-1.32" (-33.53mm)	91st Wettest	Wettest since: 1908	1972
Feb–Jul 1909 6-Month	22.86" (580.64mm)	22.02" (559.31mm)	0.84" (21.33mm)	76th Driest	Driest since: 1907	1965
	22.86" (580.64mm)	22.02" (559.31mm)	0.84" (21.33mm)	53rd Wettest	Wettest since: 1908	2018
	Ties: 1931
Jan–Jul 1909 7-Month	25.94" (658.88mm)	25.07" (636.78mm)	0.87" (22.10mm)	78th Driest	Driest since: 1907	1991
Jan–Jul 1909 7-Month	25.94" (658.88mm)	25.07" (636.78mm)	0.87" (22.10mm)	51st Wettest	Wettest since: 1908	2018
Dec 1908–Jul 1909 8-Month	28.73" (729.74mm)	28.17" (715.52mm)	0.56" (14.22mm)	68th Driest	Driest since: 1906	1966
Dec 1908–Jul 1909 8-Month	28.73" (729.74mm)	28.17" (715.52mm)	0.56" (14.22mm)	60th Wettest	Wettest since: 1908	2019
Nov 1908–Jul 1909 9-Month	29.75" (755.65mm)	31.37" (796.80mm)	-1.62" (-41.15mm)	39th Driest	Driest since: 1905	1966
Nov 1908–Jul 1909 9-Month	29.75" (755.65mm)	31.37" (796.80mm)	-1.62" (-41.15mm)	89th Wettest	Wettest since: 1908	2019
Oct 1908–Jul 1909 10-Month	31.48" (799.59mm)	34.55" (877.57mm)	-3.07" (-77.98mm)	25th Driest	Driest since: 1905	1934
Oct 1908–Jul 1909 10-Month	31.48" (799.59mm)	34.55" (877.57mm)	-3.07" (-77.98mm)	103rd Wettest	Wettest since: 1908	2019
Sep 1908–Jul 1909 11-Month	32.93" (836.42mm)	38.11" (967.99mm)	-5.18" (-131.57mm)	13th Driest	Driest since: 1909	1965
Sep 1908–Jul 1909 11-Month	32.93" (836.42mm)	38.11" (967.99mm)	-5.18" (-131.57mm)	115th Wettest	Wettest since: 1908	2019
Aug 1908–Jul 1909 12-Month	35.79" (909.07mm)	41.98" (1,066.29mm)	-6.19" (-157.22mm)	11th Driest	Driest since: 1909	1965
Aug 1908–Jul 1909 12-Month	35.79" (909.07mm)	41.98" (1,066.29mm)	-6.19" (-157.22mm)	117th Wettest	Wettest since: 1908	2019
Feb 1908–Jul 1909 18-Month	62.96" (1,599.18mm)	63.96" (1,624.58mm)	-1.00" (-25.40mm)	50th Driest	Driest since: 1905	1966
Feb 1908–Jul 1909 18-Month	62.96" (1,599.18mm)	63.96" (1,624.58mm)	-1.00" (-25.40mm)	78th Wettest	Wettest since: 1908	2019
Aug 1907–Jul 1909 24-Month	85.61" (2,174.49mm)	83.89" (2,130.81mm)	1.72" (43.68mm)	71st Driest	Driest since: 1906	1966
Aug 1907–Jul 1909 24-Month	85.61" (2,174.49mm)	83.89" (2,130.81mm)	1.72" (43.68mm)	56th Wettest	Wettest since: 1908	2019
Aug 1906–Jul 1909 36-Month	128.58" (3,265.93mm)	125.92" (3,198.37mm)	2.66" (67.56mm)	71st Driest	Driest since: 1907	1966
Aug 1906–Jul 1909 36-Month	128.58" (3,265.93mm)	125.92" (3,198.37mm)	2.66" (67.56mm)	55th Wettest	Wettest since: 1908	2019
Aug 1905–Jul 1909 48-Month	171.26" (4,350.00mm)	167.89" (4,264.41mm)	3.37" (85.59mm)	65th Driest	Driest since: 1907	1966
Aug 1905–Jul 1909 48-Month	171.26" (4,350.00mm)	167.89" (4,264.41mm)	3.37" (85.59mm)	60th Wettest	Wettest since: 1908	2020
Aug 1904–Jul 1909 60-Month	209.89" (5,331.21mm)	209.81" (5,329.17mm)	0.08" (2.04mm)	49th Driest	Driest since: 1901	1966
Aug 1904–Jul 1909 60-Month	209.89" (5,331.21mm)	209.81" (5,329.17mm)	0.08" (2.04mm)	75th Wettest	Wettest since: 1908	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings