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, August 1970

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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 1970 1-Month	3.89" (98.81mm)	3.87" (98.30mm)	0.02" (0.51mm)	73rd Driest	Driest since: 1969	1930
August 1970 1-Month	3.89" (98.81mm)	3.87" (98.30mm)	0.02" (0.51mm)	56th Wettest	Wettest since: 1967	1955
Jul–Aug 1970 2-Month	9.22" (234.19mm)	8.05" (204.47mm)	1.17" (29.72mm)	91st Driest	Driest since: 1968	1930
Jul–Aug 1970 2-Month	9.22" (234.19mm)	8.05" (204.47mm)	1.17" (29.72mm)	38th Wettest	Wettest since: 1969	2018
Jun–Aug 1970 3-Month	13.52" (343.41mm)	12.22" (310.39mm)	1.30" (33.02mm)	86th Driest	Driest since: 1968	1966
Jun–Aug 1970 3-Month	13.52" (343.41mm)	12.22" (310.39mm)	1.30" (33.02mm)	43rd Wettest	Wettest since: 1969	2018
May–Aug 1970 4-Month	16.99" (431.55mm)	16.15" (410.21mm)	0.84" (21.34mm)	83rd Driest	Driest since: 1969	1966
May–Aug 1970 4-Month	16.99" (431.55mm)	16.15" (410.21mm)	0.84" (21.34mm)	46th Wettest	Wettest since: 1967	2018
Apr–Aug 1970 5-Month	21.18" (537.97mm)	19.79" (502.67mm)	1.39" (35.30mm)	87th Driest	Driest since: 1969	1966
Apr–Aug 1970 5-Month	21.18" (537.97mm)	19.79" (502.67mm)	1.39" (35.30mm)	42nd Wettest	Wettest since: 1961	2018
Mar–Aug 1970 6-Month	24.29" (616.97mm)	23.29" (591.57mm)	1.00" (25.40mm)	75th Driest	Driest since: 1969	1966
Mar–Aug 1970 6-Month	24.29" (616.97mm)	23.29" (591.57mm)	1.00" (25.40mm)	54th Wettest	Wettest since: 1967	2011
Feb–Aug 1970 7-Month	26.98" (685.29mm)	25.89" (657.61mm)	1.09" (27.68mm)	80th Driest	Driest since: 1969	1995
Feb–Aug 1970 7-Month	26.98" (685.29mm)	25.89" (657.61mm)	1.09" (27.68mm)	49th Wettest	Wettest since: 1967	2018
Jan–Aug 1970 8-Month	28.16" (715.26mm)	28.94" (735.08mm)	-0.78" (-19.82mm)	51st Driest	Driest since: 1969	1963
Jan–Aug 1970 8-Month	28.16" (715.26mm)	28.94" (735.08mm)	-0.78" (-19.82mm)	78th Wettest	Wettest since: 1967	2018
Dec 1969–Aug 1970 9-Month	33.26" (844.80mm)	32.03" (813.56mm)	1.23" (31.24mm)	77th Driest	Driest since: 1969	1966
Dec 1969–Aug 1970 9-Month	33.26" (844.80mm)	32.03" (813.56mm)	1.23" (31.24mm)	51st Wettest	Wettest since: 1958	2018
Nov 1969–Aug 1970 10-Month	36.80" (934.72mm)	35.24" (895.10mm)	1.56" (39.62mm)	82nd Driest	Driest since: 1969	1966
Nov 1969–Aug 1970 10-Month	36.80" (934.72mm)	35.24" (895.10mm)	1.56" (39.62mm)	46th Wettest	Wettest since: 1960	2019
Oct 1969–Aug 1970 11-Month	39.09" (992.89mm)	38.42" (975.87mm)	0.67" (17.02mm)	66th Driest	Driest since: 1969	1925
Oct 1969–Aug 1970 11-Month	39.09" (992.89mm)	38.42" (975.87mm)	0.67" (17.02mm)	62nd Wettest	Wettest since: 1960	2019
Sep 1969–Aug 1970 12-Month	41.44" (1,052.58mm)	41.98" (1,066.29mm)	-0.54" (-13.71mm)	50th Driest	Driest since: 1969	1965
	41.44" (1,052.58mm)	41.98" (1,066.29mm)	-0.54" (-13.71mm)	78th Wettest	Wettest since: 1967	2019
	Ties: 1987
Mar 1969–Aug 1970 18-Month	63.24" (1,606.30mm)	65.21" (1,656.33mm)	-1.97" (-50.03mm)	38th Driest	Driest since: 1969	1966
Mar 1969–Aug 1970 18-Month	63.24" (1,606.30mm)	65.21" (1,656.33mm)	-1.97" (-50.03mm)	90th Wettest	Wettest since: 1961	2019
Sep 1968–Aug 1970 24-Month	80.36" (2,041.14mm)	83.89" (2,130.81mm)	-3.53" (-89.67mm)	30th Driest	Driest since: 1969	1966
Sep 1968–Aug 1970 24-Month	80.36" (2,041.14mm)	83.89" (2,130.81mm)	-3.53" (-89.67mm)	97th Wettest	Wettest since: 1961	2019
Sep 1967–Aug 1970 36-Month	116.97" (2,971.04mm)	125.89" (3,197.61mm)	-8.92" (-226.57mm)	13th Driest	Driest since: 1968	1966
Sep 1967–Aug 1970 36-Month	116.97" (2,971.04mm)	125.89" (3,197.61mm)	-8.92" (-226.57mm)	113th Wettest	Wettest since: 1969	2019
Sep 1966–Aug 1970 48-Month	159.84" (4,059.94mm)	167.87" (4,263.90mm)	-8.03" (-203.96mm)	21st Driest	Driest since: 1969	1966
Sep 1966–Aug 1970 48-Month	159.84" (4,059.94mm)	167.87" (4,263.90mm)	-8.03" (-203.96mm)	104th Wettest	Wettest since: 1961	2020
Sep 1965–Aug 1970 60-Month	192.90" (4,899.66mm)	209.80" (5,328.92mm)	-16.90" (-429.26mm)	8th Driest	Driest since: 1969	1966
Sep 1965–Aug 1970 60-Month	192.90" (4,899.66mm)	209.80" (5,328.92mm)	-16.90" (-429.26mm)	116th Wettest	Wettest since: 1963	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings