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 1989

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1989 1-Month	4.66" (118.36mm)	4.19" (106.43mm)	0.47" (11.93mm)	82nd Driest	Driest since: 1987	1909
July 1989 1-Month	4.66" (118.36mm)	4.19" (106.43mm)	0.47" (11.93mm)	47th Wettest	Wettest since: 1988	2018
Jun–Jul 1989 2-Month	11.72" (297.69mm)	8.36" (212.34mm)	3.36" (85.35mm)	120th Driest	Driest since: 1988	1966
Jun–Jul 1989 2-Month	11.72" (297.69mm)	8.36" (212.34mm)	3.36" (85.35mm)	9th Wettest	Wettest since: 1972	1972
May–Jul 1989 3-Month	19.60" (497.84mm)	12.28" (311.91mm)	7.32" (185.93mm)	128th Driest	Driest since: 1988	1966
May–Jul 1989 3-Month	19.60" (497.84mm)	12.28" (311.91mm)	7.32" (185.93mm)	1st Wettest	Wettest to Date	1989
Apr–Jul 1989 4-Month	21.31" (541.27mm)	15.93" (404.62mm)	5.38" (136.65mm)	124th Driest	Driest since: 1988	1965
Apr–Jul 1989 4-Month	21.31" (541.27mm)	15.93" (404.62mm)	5.38" (136.65mm)	5th Wettest	Wettest since: 1972	1972
Mar–Jul 1989 5-Month	25.36" (644.14mm)	19.42" (493.27mm)	5.94" (150.87mm)	124th Driest	Driest since: 1988	1966
Mar–Jul 1989 5-Month	25.36" (644.14mm)	19.42" (493.27mm)	5.94" (150.87mm)	5th Wettest	Wettest since: 1972	1972
Feb–Jul 1989 6-Month	27.84" (707.14mm)	22.02" (559.31mm)	5.82" (147.83mm)	123rd Driest	Driest since: 1988	1965
Feb–Jul 1989 6-Month	27.84" (707.14mm)	22.02" (559.31mm)	5.82" (147.83mm)	6th Wettest	Wettest since: 1984	2018
Jan–Jul 1989 7-Month	29.88" (758.95mm)	25.07" (636.78mm)	4.81" (122.17mm)	120th Driest	Driest since: 1988	1991
Jan–Jul 1989 7-Month	29.88" (758.95mm)	25.07" (636.78mm)	4.81" (122.17mm)	9th Wettest	Wettest since: 1972	2018
Dec 1988–Jul 1989 8-Month	31.40" (797.56mm)	28.17" (715.52mm)	3.23" (82.04mm)	102nd Driest	Driest since: 1988	1966
Dec 1988–Jul 1989 8-Month	31.40" (797.56mm)	28.17" (715.52mm)	3.23" (82.04mm)	26th Wettest	Wettest since: 1984	2019
Nov 1988–Jul 1989 9-Month	35.41" (899.41mm)	31.37" (796.80mm)	4.04" (102.61mm)	105th Driest	Driest since: 1988	1966
Nov 1988–Jul 1989 9-Month	35.41" (899.41mm)	31.37" (796.80mm)	4.04" (102.61mm)	23rd Wettest	Wettest since: 1984	2019
Oct 1988–Jul 1989 10-Month	37.82" (960.63mm)	34.55" (877.57mm)	3.27" (83.06mm)	97th Driest	Driest since: 1988	1934
Oct 1988–Jul 1989 10-Month	37.82" (960.63mm)	34.55" (877.57mm)	3.27" (83.06mm)	31st Wettest	Wettest since: 1984	2019
Sep 1988–Jul 1989 11-Month	41.01" (1,041.65mm)	38.11" (967.99mm)	2.90" (73.66mm)	86th Driest	Driest since: 1988	1965
Sep 1988–Jul 1989 11-Month	41.01" (1,041.65mm)	38.11" (967.99mm)	2.90" (73.66mm)	42nd Wettest	Wettest since: 1984	2019
Aug 1988–Jul 1989 12-Month	44.98" (1,142.49mm)	41.98" (1,066.29mm)	3.00" (76.20mm)	87th Driest	Driest since: 1988	1965
Aug 1988–Jul 1989 12-Month	44.98" (1,142.49mm)	41.98" (1,066.29mm)	3.00" (76.20mm)	41st Wettest	Wettest since: 1984	2019
Feb 1988–Jul 1989 18-Month	64.00" (1,625.60mm)	63.96" (1,624.58mm)	0.04" (1.02mm)	56th Driest	Driest since: 1988	1966
	64.00" (1,625.60mm)	63.96" (1,624.58mm)	0.04" (1.02mm)	72nd Wettest	Wettest since: 1986	2019
	Ties: 2010
Aug 1987–Jul 1989 24-Month	84.48" (2,145.79mm)	83.89" (2,130.81mm)	0.59" (14.98mm)	61st Driest	Driest since: 1988	1966
Aug 1987–Jul 1989 24-Month	84.48" (2,145.79mm)	83.89" (2,130.81mm)	0.59" (14.98mm)	66th Wettest	Wettest since: 1987	2019
Aug 1986–Jul 1989 36-Month	124.88" (3,171.95mm)	125.92" (3,198.37mm)	-1.04" (-26.42mm)	50th Driest	Driest since: 1988	1966
Aug 1986–Jul 1989 36-Month	124.88" (3,171.95mm)	125.92" (3,198.37mm)	-1.04" (-26.42mm)	76th Wettest	Wettest since: 1986	2019
Aug 1985–Jul 1989 48-Month	169.52" (4,305.81mm)	167.89" (4,264.41mm)	1.63" (41.40mm)	58th Driest	Driest since: 1988	1966
Aug 1985–Jul 1989 48-Month	169.52" (4,305.81mm)	167.89" (4,264.41mm)	1.63" (41.40mm)	67th Wettest	Wettest since: 1987	2020
Aug 1984–Jul 1989 60-Month	207.67" (5,274.82mm)	209.81" (5,329.17mm)	-2.14" (-54.35mm)	40th Driest	Driest since: 1985	1966
Aug 1984–Jul 1989 60-Month	207.67" (5,274.82mm)	209.81" (5,329.17mm)	-2.14" (-54.35mm)	84th Wettest	Wettest since: 1988	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