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 1964

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1964 1-Month	3.62" (91.95mm)	4.19" (106.43mm)	-0.57" (-14.48mm)	42nd Driest	Driest since: 1963	1909
	3.62" (91.95mm)	4.19" (106.43mm)	-0.57" (-14.48mm)	87th Wettest	Wettest since: 1961	2018
	Ties: 1926
Jun–Jul 1964 2-Month	7.15" (181.61mm)	8.36" (212.34mm)	-1.21" (-30.73mm)	38th Driest	Driest since: 1963	1966
Jun–Jul 1964 2-Month	7.15" (181.61mm)	8.36" (212.34mm)	-1.21" (-30.73mm)	91st Wettest	Wettest since: 1961	1972
May–Jul 1964 3-Month	8.70" (220.98mm)	12.28" (311.91mm)	-3.58" (-90.93mm)	8th Driest	Driest since: 1962	1966
May–Jul 1964 3-Month	8.70" (220.98mm)	12.28" (311.91mm)	-3.58" (-90.93mm)	121st Wettest	Wettest since: 1963	1989
Apr–Jul 1964 4-Month	14.35" (364.49mm)	15.93" (404.62mm)	-1.58" (-40.13mm)	33rd Driest	Driest since: 1963	1965
Apr–Jul 1964 4-Month	14.35" (364.49mm)	15.93" (404.62mm)	-1.58" (-40.13mm)	96th Wettest	Wettest since: 1961	1972
Mar–Jul 1964 5-Month	18.30" (464.82mm)	19.42" (493.27mm)	-1.12" (-28.45mm)	43rd Driest	Driest since: 1963	1966
Mar–Jul 1964 5-Month	18.30" (464.82mm)	19.42" (493.27mm)	-1.12" (-28.45mm)	86th Wettest	Wettest since: 1961	1972
Feb–Jul 1964 6-Month	20.82" (528.83mm)	22.02" (559.31mm)	-1.20" (-30.48mm)	42nd Driest	Driest since: 1963	1965
Feb–Jul 1964 6-Month	20.82" (528.83mm)	22.02" (559.31mm)	-1.20" (-30.48mm)	87th Wettest	Wettest since: 1961	2018
Jan–Jul 1964 7-Month	24.41" (620.01mm)	25.07" (636.78mm)	-0.66" (-16.77mm)	53rd Driest	Driest since: 1963	1991
Jan–Jul 1964 7-Month	24.41" (620.01mm)	25.07" (636.78mm)	-0.66" (-16.77mm)	76th Wettest	Wettest since: 1961	2018
Dec 1963–Jul 1964 8-Month	26.52" (673.61mm)	28.17" (715.52mm)	-1.65" (-41.91mm)	36th Driest	Driest since: 1963	1966
Dec 1963–Jul 1964 8-Month	26.52" (673.61mm)	28.17" (715.52mm)	-1.65" (-41.91mm)	92nd Wettest	Wettest since: 1961	2019
Nov 1963–Jul 1964 9-Month	31.86" (809.24mm)	31.37" (796.80mm)	0.49" (12.44mm)	73rd Driest	Driest since: 1963	1966
Nov 1963–Jul 1964 9-Month	31.86" (809.24mm)	31.37" (796.80mm)	0.49" (12.44mm)	55th Wettest	Wettest since: 1960	2019
Oct 1963–Jul 1964 10-Month	32.08" (814.83mm)	34.55" (877.57mm)	-2.47" (-62.74mm)	35th Driest	Driest since: 1963	1934
Oct 1963–Jul 1964 10-Month	32.08" (814.83mm)	34.55" (877.57mm)	-2.47" (-62.74mm)	93rd Wettest	Wettest since: 1961	2019
Sep 1963–Jul 1964 11-Month	34.78" (883.41mm)	38.11" (967.99mm)	-3.33" (-84.58mm)	26th Driest	Driest since: 1963	1965
Sep 1963–Jul 1964 11-Month	34.78" (883.41mm)	38.11" (967.99mm)	-3.33" (-84.58mm)	102nd Wettest	Wettest since: 1961	2019
Aug 1963–Jul 1964 12-Month	37.45" (951.23mm)	41.98" (1,066.29mm)	-4.53" (-115.06mm)	18th Driest	Driest since: 1963	1965
Aug 1963–Jul 1964 12-Month	37.45" (951.23mm)	41.98" (1,066.29mm)	-4.53" (-115.06mm)	110th Wettest	Wettest since: 1961	2019
Feb 1963–Jul 1964 18-Month	54.51" (1,384.55mm)	63.96" (1,624.58mm)	-9.45" (-240.03mm)	7th Driest	Driest since: 1963	1966
Feb 1963–Jul 1964 18-Month	54.51" (1,384.55mm)	63.96" (1,624.58mm)	-9.45" (-240.03mm)	121st Wettest	Wettest since: 1962	2019
Aug 1962–Jul 1964 24-Month	73.02" (1,854.71mm)	83.89" (2,130.81mm)	-10.87" (-276.10mm)	9th Driest	Driest since: 1963	1966
Aug 1962–Jul 1964 24-Month	73.02" (1,854.71mm)	83.89" (2,130.81mm)	-10.87" (-276.10mm)	118th Wettest	Wettest since: 1962	2019
Aug 1961–Jul 1964 36-Month	107.56" (2,732.02mm)	125.92" (3,198.37mm)	-18.36" (-466.35mm)	4th Driest	Driest since: 1964	1966
Aug 1961–Jul 1964 36-Month	107.56" (2,732.02mm)	125.92" (3,198.37mm)	-18.36" (-466.35mm)	122nd Wettest	Wettest since: 1963	2019
Aug 1960–Jul 1964 48-Month	148.11" (3,761.99mm)	167.89" (4,264.41mm)	-19.78" (-502.42mm)	6th Driest	Driest since: 1932	1966
Aug 1960–Jul 1964 48-Month	148.11" (3,761.99mm)	167.89" (4,264.41mm)	-19.78" (-502.42mm)	119th Wettest	Wettest since: 1963	2020
Aug 1959–Jul 1964 60-Month	194.02" (4,928.11mm)	209.81" (5,329.17mm)	-15.79" (-401.06mm)	10th Driest	Driest since: 1935	1966
Aug 1959–Jul 1964 60-Month	194.02" (4,928.11mm)	209.81" (5,329.17mm)	-15.79" (-401.06mm)	114th Wettest	Wettest since: 1963	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 4, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings