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 1930

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1930 1-Month	2.18" (55.37mm)	4.19" (106.43mm)	-2.01" (-51.06mm)	3rd Driest	Driest since: 1909	1909
July 1930 1-Month	2.18" (55.37mm)	4.19" (106.43mm)	-2.01" (-51.06mm)	126th Wettest	Wettest since: 1929	2018
Jun–Jul 1930 2-Month	6.48" (164.59mm)	8.36" (212.34mm)	-1.88" (-47.75mm)	17th Driest	Driest since: 1909	1966
Jun–Jul 1930 2-Month	6.48" (164.59mm)	8.36" (212.34mm)	-1.88" (-47.75mm)	112th Wettest	Wettest since: 1929	1972
May–Jul 1930 3-Month	9.38" (238.25mm)	12.28" (311.91mm)	-2.90" (-73.66mm)	17th Driest	Driest since: 1926	1966
	9.38" (238.25mm)	12.28" (311.91mm)	-2.90" (-73.66mm)	112th Wettest	Wettest since: 1929	1989
	Ties: 1911
Apr–Jul 1930 4-Month	12.31" (312.67mm)	15.93" (404.62mm)	-3.62" (-91.95mm)	11th Driest	Driest since: 1926	1965
Apr–Jul 1930 4-Month	12.31" (312.67mm)	15.93" (404.62mm)	-3.62" (-91.95mm)	118th Wettest	Wettest since: 1929	1972
Mar–Jul 1930 5-Month	15.38" (390.65mm)	19.42" (493.27mm)	-4.04" (-102.62mm)	11th Driest	Driest since: 1926	1966
	15.38" (390.65mm)	19.42" (493.27mm)	-4.04" (-102.62mm)	118th Wettest	Wettest since: 1929	1972
	Ties: 1910
Feb–Jul 1930 6-Month	17.94" (455.68mm)	22.02" (559.31mm)	-4.08" (-103.63mm)	11th Driest	Driest since: 1926	1965
Feb–Jul 1930 6-Month	17.94" (455.68mm)	22.02" (559.31mm)	-4.08" (-103.63mm)	118th Wettest	Wettest since: 1929	2018
Jan–Jul 1930 7-Month	20.34" (516.64mm)	25.07" (636.78mm)	-4.73" (-120.14mm)	10th Driest	Driest since: 1926	1991
Jan–Jul 1930 7-Month	20.34" (516.64mm)	25.07" (636.78mm)	-4.73" (-120.14mm)	119th Wettest	Wettest since: 1929	2018
Dec 1929–Jul 1930 8-Month	23.18" (588.77mm)	28.17" (715.52mm)	-4.99" (-126.75mm)	9th Driest	Driest since: 1926	1966
	23.18" (588.77mm)	28.17" (715.52mm)	-4.99" (-126.75mm)	119th Wettest	Wettest since: 1929	2019
	Ties: 1995
Nov 1929–Jul 1930 9-Month	26.61" (675.89mm)	31.37" (796.80mm)	-4.76" (-120.91mm)	12th Driest	Driest since: 1926	1966
Nov 1929–Jul 1930 9-Month	26.61" (675.89mm)	31.37" (796.80mm)	-4.76" (-120.91mm)	116th Wettest	Wettest since: 1929	2019
Oct 1929–Jul 1930 10-Month	32.31" (820.67mm)	34.55" (877.57mm)	-2.24" (-56.90mm)	36th Driest	Driest since: 1926	1934
Oct 1929–Jul 1930 10-Month	32.31" (820.67mm)	34.55" (877.57mm)	-2.24" (-56.90mm)	92nd Wettest	Wettest since: 1929	2019
Sep 1929–Jul 1930 11-Month	36.03" (915.16mm)	38.11" (967.99mm)	-2.08" (-52.83mm)	39th Driest	Driest since: 1929	1965
Sep 1929–Jul 1930 11-Month	36.03" (915.16mm)	38.11" (967.99mm)	-2.08" (-52.83mm)	89th Wettest	Wettest since: 1928	2019
Aug 1929–Jul 1930 12-Month	38.40" (975.36mm)	41.98" (1,066.29mm)	-3.58" (-90.93mm)	24th Driest	Driest since: 1926	1965
Aug 1929–Jul 1930 12-Month	38.40" (975.36mm)	41.98" (1,066.29mm)	-3.58" (-90.93mm)	104th Wettest	Wettest since: 1929	2019
Feb 1929–Jul 1930 18-Month	61.96" (1,573.78mm)	63.96" (1,624.58mm)	-2.00" (-50.80mm)	41st Driest	Driest since: 1926	1966
Feb 1929–Jul 1930 18-Month	61.96" (1,573.78mm)	63.96" (1,624.58mm)	-2.00" (-50.80mm)	87th Wettest	Wettest since: 1929	2019
Aug 1928–Jul 1930 24-Month	77.61" (1,971.29mm)	83.89" (2,130.81mm)	-6.28" (-159.52mm)	18th Driest	Driest since: 1926	1966
Aug 1928–Jul 1930 24-Month	77.61" (1,971.29mm)	83.89" (2,130.81mm)	-6.28" (-159.52mm)	109th Wettest	Wettest since: 1929	2019
Aug 1927–Jul 1930 36-Month	128.77" (3,270.76mm)	125.92" (3,198.37mm)	2.85" (72.39mm)	72nd Driest	Driest since: 1927	1966
Aug 1927–Jul 1930 36-Month	128.77" (3,270.76mm)	125.92" (3,198.37mm)	2.85" (72.39mm)	54th Wettest	Wettest since: 1929	2019
Aug 1926–Jul 1930 48-Month	177.81" (4,516.37mm)	167.89" (4,264.41mm)	9.92" (251.96mm)	95th Driest	Driest since: 1929	1966
Aug 1926–Jul 1930 48-Month	177.81" (4,516.37mm)	167.89" (4,264.41mm)	9.92" (251.96mm)	30th Wettest	Wettest since: 1905	2020
Aug 1925–Jul 1930 60-Month	213.33" (5,418.58mm)	209.81" (5,329.17mm)	3.52" (89.41mm)	65th Driest	Driest since: 1929	1966
Aug 1925–Jul 1930 60-Month	213.33" (5,418.58mm)	209.81" (5,329.17mm)	3.52" (89.41mm)	59th Wettest	Wettest since: 1928	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings