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 1957

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1957 1-Month	1.58" (40.13mm)	3.87" (98.30mm)	-2.29" (-58.17mm)	2nd Driest	Driest since: 1930	1930
August 1957 1-Month	1.58" (40.13mm)	3.87" (98.30mm)	-2.29" (-58.17mm)	127th Wettest	Wettest since: 1956	1955
Jul–Aug 1957 2-Month	3.90" (99.06mm)	8.05" (204.47mm)	-4.15" (-105.41mm)	2nd Driest	Driest since: 1930	1930
Jul–Aug 1957 2-Month	3.90" (99.06mm)	8.05" (204.47mm)	-4.15" (-105.41mm)	127th Wettest	Wettest since: 1956	2018
Jun–Aug 1957 3-Month	8.40" (213.36mm)	12.22" (310.39mm)	-3.82" (-97.03mm)	5th Driest	Driest since: 1953	1966
Jun–Aug 1957 3-Month	8.40" (213.36mm)	12.22" (310.39mm)	-3.82" (-97.03mm)	124th Wettest	Wettest since: 1956	2018
May–Aug 1957 4-Month	10.79" (274.07mm)	16.15" (410.21mm)	-5.36" (-136.14mm)	4th Driest	Driest since: 1930	1966
May–Aug 1957 4-Month	10.79" (274.07mm)	16.15" (410.21mm)	-5.36" (-136.14mm)	125th Wettest	Wettest since: 1956	2018
Apr–Aug 1957 5-Month	16.35" (415.29mm)	19.79" (502.67mm)	-3.44" (-87.38mm)	14th Driest	Driest since: 1939	1966
Apr–Aug 1957 5-Month	16.35" (415.29mm)	19.79" (502.67mm)	-3.44" (-87.38mm)	115th Wettest	Wettest since: 1956	2018
Mar–Aug 1957 6-Month	18.78" (477.01mm)	23.29" (591.57mm)	-4.51" (-114.56mm)	12th Driest	Driest since: 1930	1966
Mar–Aug 1957 6-Month	18.78" (477.01mm)	23.29" (591.57mm)	-4.51" (-114.56mm)	117th Wettest	Wettest since: 1956	2011
Feb–Aug 1957 7-Month	20.95" (532.13mm)	25.89" (657.61mm)	-4.94" (-125.48mm)	9th Driest	Driest since: 1930	1995
Feb–Aug 1957 7-Month	20.95" (532.13mm)	25.89" (657.61mm)	-4.94" (-125.48mm)	120th Wettest	Wettest since: 1956	2018
Jan–Aug 1957 8-Month	23.09" (586.49mm)	28.94" (735.08mm)	-5.85" (-148.59mm)	6th Driest	Driest since: 1930	1963
Jan–Aug 1957 8-Month	23.09" (586.49mm)	28.94" (735.08mm)	-5.85" (-148.59mm)	123rd Wettest	Wettest since: 1956	2018
Dec 1956–Aug 1957 9-Month	27.14" (689.36mm)	32.03" (813.56mm)	-4.89" (-124.20mm)	11th Driest	Driest since: 1934	1966
	27.14" (689.36mm)	32.03" (813.56mm)	-4.89" (-124.20mm)	117th Wettest	Wettest since: 1956	2018
	Ties: 1925
Nov 1956–Aug 1957 10-Month	29.61" (752.09mm)	35.24" (895.10mm)	-5.63" (-143.01mm)	11th Driest	Driest since: 1934	1966
Nov 1956–Aug 1957 10-Month	29.61" (752.09mm)	35.24" (895.10mm)	-5.63" (-143.01mm)	117th Wettest	Wettest since: 1956	2019
Oct 1956–Aug 1957 11-Month	32.24" (818.90mm)	38.42" (975.87mm)	-6.18" (-156.97mm)	11th Driest	Driest since: 1934	1925
Oct 1956–Aug 1957 11-Month	32.24" (818.90mm)	38.42" (975.87mm)	-6.18" (-156.97mm)	117th Wettest	Wettest since: 1956	2019
Sep 1956–Aug 1957 12-Month	36.07" (916.18mm)	41.98" (1,066.29mm)	-5.91" (-150.11mm)	14th Driest	Driest since: 1934	1965
Sep 1956–Aug 1957 12-Month	36.07" (916.18mm)	41.98" (1,066.29mm)	-5.91" (-150.11mm)	114th Wettest	Wettest since: 1956	2019
Mar 1956–Aug 1957 18-Month	64.65" (1,642.11mm)	65.21" (1,656.33mm)	-0.56" (-14.22mm)	50th Driest	Driest since: 1954	1966
Mar 1956–Aug 1957 18-Month	64.65" (1,642.11mm)	65.21" (1,656.33mm)	-0.56" (-14.22mm)	78th Wettest	Wettest since: 1956	2019
Sep 1955–Aug 1957 24-Month	83.09" (2,110.49mm)	83.89" (2,130.81mm)	-0.80" (-20.32mm)	51st Driest	Driest since: 1955	1966
Sep 1955–Aug 1957 24-Month	83.09" (2,110.49mm)	83.89" (2,130.81mm)	-0.80" (-20.32mm)	76th Wettest	Wettest since: 1956	2019
Sep 1954–Aug 1957 36-Month	126.33" (3,208.78mm)	125.89" (3,197.61mm)	0.44" (11.17mm)	60th Driest	Driest since: 1955	1966
Sep 1954–Aug 1957 36-Month	126.33" (3,208.78mm)	125.89" (3,197.61mm)	0.44" (11.17mm)	66th Wettest	Wettest since: 1956	2019
Sep 1953–Aug 1957 48-Month	163.72" (4,158.49mm)	167.87" (4,263.90mm)	-4.15" (-105.41mm)	30th Driest	Driest since: 1944	1966
Sep 1953–Aug 1957 48-Month	163.72" (4,158.49mm)	167.87" (4,263.90mm)	-4.15" (-105.41mm)	95th Wettest	Wettest since: 1956	2020
Sep 1952–Aug 1957 60-Month	206.78" (5,252.21mm)	209.80" (5,328.92mm)	-3.02" (-76.71mm)	39th Driest	Driest since: 1945	1966
Sep 1952–Aug 1957 60-Month	206.78" (5,252.21mm)	209.80" (5,328.92mm)	-3.02" (-76.71mm)	85th Wettest	Wettest since: 1956	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