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, April 1930

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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
April 1930 1-Month	2.93" (74.42mm)	3.64" (92.46mm)	-0.71" (-18.04mm)	39th Driest	Driest since: 1926	1946
April 1930 1-Month	2.93" (74.42mm)	3.64" (92.46mm)	-0.71" (-18.04mm)	90th Wettest	Wettest since: 1929	2011
Mar–Apr 1930 2-Month	6.00" (152.40mm)	7.14" (181.36mm)	-1.14" (-28.96mm)	38th Driest	Driest since: 1926	1915
	6.00" (152.40mm)	7.14" (181.36mm)	-1.14" (-28.96mm)	91st Wettest	Wettest since: 1929	2011
	Ties: 1981
Feb–Apr 1930 3-Month	8.56" (217.42mm)	9.73" (247.14mm)	-1.17" (-29.72mm)	41st Driest	Driest since: 1926	1941
Feb–Apr 1930 3-Month	8.56" (217.42mm)	9.73" (247.14mm)	-1.17" (-29.72mm)	88th Wettest	Wettest since: 1929	2011
Jan–Apr 1930 4-Month	10.96" (278.38mm)	12.78" (324.61mm)	-1.82" (-46.23mm)	26th Driest	Driest since: 1926	1941
Jan–Apr 1930 4-Month	10.96" (278.38mm)	12.78" (324.61mm)	-1.82" (-46.23mm)	103rd Wettest	Wettest since: 1929	2011
Dec 1929–Apr 1930 5-Month	13.80" (350.52mm)	15.88" (403.35mm)	-2.08" (-52.83mm)	25th Driest	Driest since: 1926	1941
Dec 1929–Apr 1930 5-Month	13.80" (350.52mm)	15.88" (403.35mm)	-2.08" (-52.83mm)	103rd Wettest	Wettest since: 1929	2011
Nov 1929–Apr 1930 6-Month	17.23" (437.64mm)	19.09" (484.89mm)	-1.86" (-47.25mm)	37th Driest	Driest since: 1926	1931
Nov 1929–Apr 1930 6-Month	17.23" (437.64mm)	19.09" (484.89mm)	-1.86" (-47.25mm)	91st Wettest	Wettest since: 1929	1952
Oct 1929–Apr 1930 7-Month	22.93" (582.42mm)	22.27" (565.66mm)	0.66" (16.76mm)	73rd Driest	Driest since: 1929	1925
Oct 1929–Apr 1930 7-Month	22.93" (582.42mm)	22.27" (565.66mm)	0.66" (16.76mm)	55th Wettest	Wettest since: 1928	2011
Sep 1929–Apr 1930 8-Month	26.65" (676.91mm)	25.83" (656.08mm)	0.82" (20.83mm)	74th Driest	Driest since: 1929	1931
Sep 1929–Apr 1930 8-Month	26.65" (676.91mm)	25.83" (656.08mm)	0.82" (20.83mm)	54th Wettest	Wettest since: 1928	2019
Aug 1929–Apr 1930 9-Month	29.02" (737.11mm)	29.69" (754.13mm)	-0.67" (-17.02mm)	56th Driest	Driest since: 1929	1931
Aug 1929–Apr 1930 9-Month	29.02" (737.11mm)	29.69" (754.13mm)	-0.67" (-17.02mm)	72nd Wettest	Wettest since: 1928	2019
Jul 1929–Apr 1930 10-Month	32.07" (814.58mm)	33.89" (860.81mm)	-1.82" (-46.23mm)	42nd Driest	Driest since: 1926	1931
Jul 1929–Apr 1930 10-Month	32.07" (814.58mm)	33.89" (860.81mm)	-1.82" (-46.23mm)	86th Wettest	Wettest since: 1929	2019
Jun 1929–Apr 1930 11-Month	35.59" (903.99mm)	38.05" (966.47mm)	-2.46" (-62.48mm)	37th Driest	Driest since: 1926	1931
Jun 1929–Apr 1930 11-Month	35.59" (903.99mm)	38.05" (966.47mm)	-2.46" (-62.48mm)	91st Wettest	Wettest since: 1929	2019
May 1929–Apr 1930 12-Month	40.62" (1,031.75mm)	41.95" (1,065.53mm)	-1.33" (-33.78mm)	45th Driest	Driest since: 1926	1931
May 1929–Apr 1930 12-Month	40.62" (1,031.75mm)	41.95" (1,065.53mm)	-1.33" (-33.78mm)	83rd Wettest	Wettest since: 1929	2019
Nov 1928–Apr 1930 18-Month	59.60" (1,513.84mm)	61.03" (1,550.16mm)	-1.43" (-36.32mm)	49th Driest	Driest since: 1926	1931
Nov 1928–Apr 1930 18-Month	59.60" (1,513.84mm)	61.03" (1,550.16mm)	-1.43" (-36.32mm)	78th Wettest	Wettest since: 1929	2019
May 1928–Apr 1930 24-Month	83.80" (2,128.52mm)	83.91" (2,131.31mm)	-0.11" (-2.79mm)	53rd Driest	Driest since: 1927	1966
May 1928–Apr 1930 24-Month	83.80" (2,128.52mm)	83.91" (2,131.31mm)	-0.11" (-2.79mm)	74th Wettest	Wettest since: 1929	2020
May 1927–Apr 1930 36-Month	132.27" (3,359.66mm)	125.93" (3,198.62mm)	6.34" (161.04mm)	89th Driest	Driest since: 1928	1967
	132.27" (3,359.66mm)	125.93" (3,198.62mm)	6.34" (161.04mm)	37th Wettest	Wettest since: 1929	2020
	Ties: 1986
May 1926–Apr 1930 48-Month	177.38" (4,505.45mm)	167.93" (4,265.42mm)	9.45" (240.03mm)	93rd Driest	Driest since: 1929	1966
May 1926–Apr 1930 48-Month	177.38" (4,505.45mm)	167.93" (4,265.42mm)	9.45" (240.03mm)	32nd Wettest	Wettest since: 1905	2020
May 1925–Apr 1930 60-Month	216.05" (5,487.67mm)	209.83" (5,329.68mm)	6.22" (157.99mm)	76th Driest	Driest since: 1929	1967
May 1925–Apr 1930 60-Month	216.05" (5,487.67mm)	209.83" (5,329.68mm)	6.22" (157.99mm)	48th Wettest	Wettest since: 1916	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on April 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings