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, May 1993

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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
May 1993 1-Month	1.72" (43.69mm)	3.93" (99.82mm)	-2.21" (-56.13mm)	5th Driest	Driest since: 1977	1964
May 1993 1-Month	1.72" (43.69mm)	3.93" (99.82mm)	-2.21" (-56.13mm)	124th Wettest	Wettest since: 1992	1989
Apr–May 1993 2-Month	8.25" (209.55mm)	7.57" (192.28mm)	0.68" (17.27mm)	86th Driest	Driest since: 1992	1926
Apr–May 1993 2-Month	8.25" (209.55mm)	7.57" (192.28mm)	0.68" (17.27mm)	43rd Wettest	Wettest since: 1990	2011
Mar–May 1993 3-Month	13.63" (346.20mm)	11.06" (280.92mm)	2.57" (65.28mm)	114th Driest	Driest since: 1992	1926
Mar–May 1993 3-Month	13.63" (346.20mm)	11.06" (280.92mm)	2.57" (65.28mm)	15th Wettest	Wettest since: 1989	2011
Feb–May 1993 4-Month	15.86" (402.84mm)	13.66" (346.96mm)	2.20" (55.88mm)	105th Driest	Driest since: 1992	1941
Feb–May 1993 4-Month	15.86" (402.84mm)	13.66" (346.96mm)	2.20" (55.88mm)	24th Wettest	Wettest since: 1989	2011
Jan–May 1993 5-Month	18.38" (466.85mm)	16.71" (424.43mm)	1.67" (42.42mm)	95th Driest	Driest since: 1992	1941
	18.38" (466.85mm)	16.71" (424.43mm)	1.67" (42.42mm)	34th Wettest	Wettest since: 1984	2011
	Ties: 1918
Dec 1992–May 1993 6-Month	22.21" (564.13mm)	19.81" (503.17mm)	2.40" (60.96mm)	99th Driest	Driest since: 1992	1941
Dec 1992–May 1993 6-Month	22.21" (564.13mm)	19.81" (503.17mm)	2.40" (60.96mm)	29th Wettest	Wettest since: 1984	2011
Nov 1992–May 1993 7-Month	26.69" (677.93mm)	23.02" (584.71mm)	3.67" (93.22mm)	110th Driest	Driest since: 1992	1934
Nov 1992–May 1993 7-Month	26.69" (677.93mm)	23.02" (584.71mm)	3.67" (93.22mm)	18th Wettest	Wettest since: 1984	1952
Oct 1992–May 1993 8-Month	28.72" (729.49mm)	26.19" (665.23mm)	2.53" (64.26mm)	99th Driest	Driest since: 1992	1925
Oct 1992–May 1993 8-Month	28.72" (729.49mm)	26.19" (665.23mm)	2.53" (64.26mm)	29th Wettest	Wettest since: 1984	2011
Sep 1992–May 1993 9-Month	32.88" (835.15mm)	29.75" (755.65mm)	3.13" (79.50mm)	94th Driest	Driest since: 1992	1941
Sep 1992–May 1993 9-Month	32.88" (835.15mm)	29.75" (755.65mm)	3.13" (79.50mm)	34th Wettest	Wettest since: 1984	2019
Aug 1992–May 1993 10-Month	36.46" (926.08mm)	33.62" (853.95mm)	2.84" (72.13mm)	91st Driest	Driest since: 1992	1931
Aug 1992–May 1993 10-Month	36.46" (926.08mm)	33.62" (853.95mm)	2.84" (72.13mm)	37th Wettest	Wettest since: 1991	2019
Jul 1992–May 1993 11-Month	43.60" (1,107.44mm)	37.82" (960.63mm)	5.78" (146.81mm)	113th Driest	Driest since: 1992	1931
Jul 1992–May 1993 11-Month	43.60" (1,107.44mm)	37.82" (960.63mm)	5.78" (146.81mm)	15th Wettest	Wettest since: 1978	2019
Jun 1992–May 1993 12-Month	45.99" (1,168.15mm)	41.97" (1,066.04mm)	4.02" (102.11mm)	97th Driest	Driest since: 1992	1931
Jun 1992–May 1993 12-Month	45.99" (1,168.15mm)	41.97" (1,066.04mm)	4.02" (102.11mm)	31st Wettest	Wettest since: 1991	2019
Dec 1991–May 1993 18-Month	63.60" (1,615.44mm)	61.76" (1,568.70mm)	1.84" (46.74mm)	78th Driest	Driest since: 1992	1931
Dec 1991–May 1993 18-Month	63.60" (1,615.44mm)	61.76" (1,568.70mm)	1.84" (46.74mm)	49th Wettest	Wettest since: 1991	2019
Jun 1991–May 1993 24-Month	79.62" (2,022.35mm)	83.91" (2,131.31mm)	-4.29" (-108.96mm)	27th Driest	Driest since: 1982	1931
Jun 1991–May 1993 24-Month	79.62" (2,022.35mm)	83.91" (2,131.31mm)	-4.29" (-108.96mm)	100th Wettest	Wettest since: 1992	2019
Jun 1990–May 1993 36-Month	125.66" (3,191.76mm)	125.93" (3,198.62mm)	-0.27" (-6.86mm)	53rd Driest	Driest since: 1992	1965
Jun 1990–May 1993 36-Month	125.66" (3,191.76mm)	125.93" (3,198.62mm)	-0.27" (-6.86mm)	73rd Wettest	Wettest since: 1991	2020
Jun 1989–May 1993 48-Month	169.17" (4,296.92mm)	167.92" (4,265.17mm)	1.25" (31.75mm)	60th Driest	Driest since: 1992	1966
Jun 1989–May 1993 48-Month	169.17" (4,296.92mm)	167.92" (4,265.17mm)	1.25" (31.75mm)	65th Wettest	Wettest since: 1991	2020
Jun 1988–May 1993 60-Month	208.79" (5,303.27mm)	209.84" (5,329.94mm)	-1.05" (-26.67mm)	41st Driest	Driest since: 1992	1967
	208.79" (5,303.27mm)	209.84" (5,329.94mm)	-1.05" (-26.67mm)	83rd Wettest	Wettest since: 1991	2022
	Ties: 1915

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings