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 1912

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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 1912 1-Month	4.39" (111.51mm)	3.64" (92.46mm)	0.75" (19.05mm)	99th Driest	Driest since: 1911	1946
April 1912 1-Month	4.39" (111.51mm)	3.64" (92.46mm)	0.75" (19.05mm)	30th Wettest	Wettest since: 1910	2011
Mar–Apr 1912 2-Month	9.35" (237.49mm)	7.14" (181.36mm)	2.21" (56.13mm)	114th Driest	Driest since: 1911	1915
Mar–Apr 1912 2-Month	9.35" (237.49mm)	7.14" (181.36mm)	2.21" (56.13mm)	15th Wettest	Wettest since: 1901	2011
Feb–Apr 1912 3-Month	11.65" (295.91mm)	9.73" (247.14mm)	1.92" (48.77mm)	106th Driest	Driest since: 1911	1941
Feb–Apr 1912 3-Month	11.65" (295.91mm)	9.73" (247.14mm)	1.92" (48.77mm)	23rd Wettest	Wettest since: 1909	2011
Jan–Apr 1912 4-Month	13.57" (344.68mm)	12.78" (324.61mm)	0.79" (20.07mm)	84th Driest	Driest since: 1911	1941
	13.57" (344.68mm)	12.78" (324.61mm)	0.79" (20.07mm)	45th Wettest	Wettest since: 1910	2011
	Ties: 1914
Dec 1911–Apr 1912 5-Month	17.01" (432.05mm)	15.88" (403.35mm)	1.13" (28.70mm)	86th Driest	Driest since: 1911	1941
	17.01" (432.05mm)	15.88" (403.35mm)	1.13" (28.70mm)	42nd Wettest	Wettest since: 1910	2011
	Ties: 1978
Nov 1911–Apr 1912 6-Month	19.82" (503.43mm)	19.09" (484.89mm)	0.73" (18.54mm)	80th Driest	Driest since: 1911	1931
Nov 1911–Apr 1912 6-Month	19.82" (503.43mm)	19.09" (484.89mm)	0.73" (18.54mm)	48th Wettest	Wettest since: 1909	1952
Oct 1911–Apr 1912 7-Month	24.58" (624.33mm)	22.27" (565.66mm)	2.31" (58.67mm)	98th Driest	Driest since: 1911	1925
Oct 1911–Apr 1912 7-Month	24.58" (624.33mm)	22.27" (565.66mm)	2.31" (58.67mm)	30th Wettest	Wettest since: 1908	2011
Sep 1911–Apr 1912 8-Month	29.82" (757.43mm)	25.83" (656.08mm)	3.99" (101.35mm)	104th Driest	Driest since: 1911	1931
Sep 1911–Apr 1912 8-Month	29.82" (757.43mm)	25.83" (656.08mm)	3.99" (101.35mm)	24th Wettest	Wettest since: 1908	2019
Aug 1911–Apr 1912 9-Month	37.13" (943.10mm)	29.69" (754.13mm)	7.44" (188.97mm)	121st Driest	Driest since: 1911	1931
Aug 1911–Apr 1912 9-Month	37.13" (943.10mm)	29.69" (754.13mm)	7.44" (188.97mm)	7th Wettest	Wettest to Date	2019
Jul 1911–Apr 1912 10-Month	39.87" (1,012.70mm)	33.89" (860.81mm)	5.98" (151.89mm)	111th Driest	Driest since: 1911	1931
Jul 1911–Apr 1912 10-Month	39.87" (1,012.70mm)	33.89" (860.81mm)	5.98" (151.89mm)	17th Wettest	Wettest since: 1903	2019
Jun 1911–Apr 1912 11-Month	44.60" (1,132.84mm)	38.05" (966.47mm)	6.55" (166.37mm)	115th Driest	Driest since: 1911	1931
Jun 1911–Apr 1912 11-Month	44.60" (1,132.84mm)	38.05" (966.47mm)	6.55" (166.37mm)	13th Wettest	Wettest since: 1903	2019
May 1911–Apr 1912 12-Month	46.51" (1,181.35mm)	41.95" (1,065.53mm)	4.56" (115.82mm)	104th Driest	Driest since: 1911	1931
May 1911–Apr 1912 12-Month	46.51" (1,181.35mm)	41.95" (1,065.53mm)	4.56" (115.82mm)	24th Wettest	Wettest since: 1908	2019
Nov 1910–Apr 1912 18-Month	64.06" (1,627.12mm)	61.03" (1,550.16mm)	3.03" (76.96mm)	83rd Driest	Driest since: 1911	1931
Nov 1910–Apr 1912 18-Month	64.06" (1,627.12mm)	61.03" (1,550.16mm)	3.03" (76.96mm)	44th Wettest	Wettest since: 1908	2019
May 1910–Apr 1912 24-Month	82.96" (2,107.18mm)	83.91" (2,131.31mm)	-0.95" (-24.13mm)	49th Driest	Driest since: 1911	1966
May 1910–Apr 1912 24-Month	82.96" (2,107.18mm)	83.91" (2,131.31mm)	-0.95" (-24.13mm)	78th Wettest	Wettest since: 1909	2020
May 1909–Apr 1912 36-Month	119.19" (3,027.43mm)	125.93" (3,198.62mm)	-6.74" (-171.19mm)	24th Driest	Driest since: 1911	1967
May 1909–Apr 1912 36-Month	119.19" (3,027.43mm)	125.93" (3,198.62mm)	-6.74" (-171.19mm)	102nd Wettest	Wettest since: 1910	2020
May 1908–Apr 1912 48-Month	159.53" (4,052.06mm)	167.93" (4,265.42mm)	-8.40" (-213.36mm)	18th Driest	Driest to Date	1966
May 1908–Apr 1912 48-Month	159.53" (4,052.06mm)	167.93" (4,265.42mm)	-8.40" (-213.36mm)	107th Wettest	Wettest since: 1911	2020
May 1907–Apr 1912 60-Month	207.07" (5,259.58mm)	209.83" (5,329.68mm)	-2.76" (-70.10mm)	40th Driest	Driest since: 1911	1967
May 1907–Apr 1912 60-Month	207.07" (5,259.58mm)	209.83" (5,329.68mm)	-2.76" (-70.10mm)	84th Wettest	Wettest since: 1910	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings