Statewide Rankings

Parameter:

Year:

Month:

State:

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 2018

View Period (Months):

All

Download: CSV JSON XML

Record Driest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 2018 1-Month	4.17" (105.92mm)	3.64" (92.46mm)	0.53" (13.46mm)	90th Driest	Driest since: 2016	1946
	4.17" (105.92mm)	3.64" (92.46mm)	0.53" (13.46mm)	39th Wettest	Wettest since: 2017	2011
	Ties: 1958, 1972
Mar–Apr 2018 2-Month	7.29" (185.17mm)	7.14" (181.36mm)	0.15" (3.81mm)	72nd Driest	Driest since: 2016	1915
Mar–Apr 2018 2-Month	7.29" (185.17mm)	7.14" (181.36mm)	0.15" (3.81mm)	57th Wettest	Wettest since: 2017	2011
Feb–Apr 2018 3-Month	12.69" (322.33mm)	9.73" (247.14mm)	2.96" (75.19mm)	119th Driest	Driest since: 2017	1941
Feb–Apr 2018 3-Month	12.69" (322.33mm)	9.73" (247.14mm)	2.96" (75.19mm)	10th Wettest	Wettest since: 2011	2011
Jan–Apr 2018 4-Month	15.97" (405.64mm)	12.78" (324.61mm)	3.19" (81.03mm)	117th Driest	Driest since: 2017	1941
	15.97" (405.64mm)	12.78" (324.61mm)	3.19" (81.03mm)	12th Wettest	Wettest since: 2011	2011
	Ties: 1908
Dec 2017–Apr 2018 5-Month	17.67" (448.82mm)	15.88" (403.35mm)	1.79" (45.47mm)	93rd Driest	Driest since: 2016	1941
Dec 2017–Apr 2018 5-Month	17.67" (448.82mm)	15.88" (403.35mm)	1.79" (45.47mm)	35th Wettest	Wettest since: 2017	2011
Nov 2017–Apr 2018 6-Month	20.56" (522.22mm)	19.09" (484.89mm)	1.47" (37.33mm)	92nd Driest	Driest since: 2017	1931
Nov 2017–Apr 2018 6-Month	20.56" (522.22mm)	19.09" (484.89mm)	1.47" (37.33mm)	36th Wettest	Wettest since: 2011	1952
Oct 2017–Apr 2018 7-Month	25.65" (651.51mm)	22.27" (565.66mm)	3.38" (85.85mm)	106th Driest	Driest since: 2017	1925
Oct 2017–Apr 2018 7-Month	25.65" (651.51mm)	22.27" (565.66mm)	3.38" (85.85mm)	22nd Wettest	Wettest since: 2011	2011
Sep 2017–Apr 2018 8-Month	27.71" (703.83mm)	25.83" (656.08mm)	1.88" (47.75mm)	89th Driest	Driest since: 2017	1931
Sep 2017–Apr 2018 8-Month	27.71" (703.83mm)	25.83" (656.08mm)	1.88" (47.75mm)	39th Wettest	Wettest since: 2012	2019
Aug 2017–Apr 2018 9-Month	31.55" (801.37mm)	29.69" (754.13mm)	1.86" (47.24mm)	85th Driest	Driest since: 2017	1931
Aug 2017–Apr 2018 9-Month	31.55" (801.37mm)	29.69" (754.13mm)	1.86" (47.24mm)	43rd Wettest	Wettest since: 2012	2019
Jul 2017–Apr 2018 10-Month	37.69" (957.33mm)	33.89" (860.81mm)	3.80" (96.52mm)	100th Driest	Driest since: 2017	1931
Jul 2017–Apr 2018 10-Month	37.69" (957.33mm)	33.89" (860.81mm)	3.80" (96.52mm)	28th Wettest	Wettest since: 2012	2019
Jun 2017–Apr 2018 11-Month	42.31" (1,074.67mm)	38.05" (966.47mm)	4.26" (108.20mm)	101st Driest	Driest since: 2017	1931
	42.31" (1,074.67mm)	38.05" (966.47mm)	4.26" (108.20mm)	27th Wettest	Wettest since: 2012	2019
	Ties: 1943
May 2017–Apr 2018 12-Month	48.26" (1,225.80mm)	41.95" (1,065.53mm)	6.31" (160.27mm)	114th Driest	Driest since: 2017	1931
May 2017–Apr 2018 12-Month	48.26" (1,225.80mm)	41.95" (1,065.53mm)	6.31" (160.27mm)	14th Wettest	Wettest since: 2012	2019
Nov 2016–Apr 2018 18-Month	67.69" (1,719.33mm)	61.03" (1,550.16mm)	6.66" (169.17mm)	108th Driest	Driest since: 2017	1931
	67.69" (1,719.33mm)	61.03" (1,550.16mm)	6.66" (169.17mm)	19th Wettest	Wettest since: 2012	2019
	Ties: 1899
May 2016–Apr 2018 24-Month	90.66" (2,302.76mm)	83.91" (2,131.31mm)	6.75" (171.45mm)	100th Driest	Driest since: 2017	1966
May 2016–Apr 2018 24-Month	90.66" (2,302.76mm)	83.91" (2,131.31mm)	6.75" (171.45mm)	27th Wettest	Wettest since: 2013	2020
May 2015–Apr 2018 36-Month	133.67" (3,395.22mm)	125.93" (3,198.62mm)	7.74" (196.60mm)	92nd Driest	Driest since: 2017	1967
May 2015–Apr 2018 36-Month	133.67" (3,395.22mm)	125.93" (3,198.62mm)	7.74" (196.60mm)	34th Wettest	Wettest since: 2014	2020
May 2014–Apr 2018 48-Month	175.10" (4,447.54mm)	167.93" (4,265.42mm)	7.17" (182.12mm)	86th Driest	Driest since: 2017	1966
May 2014–Apr 2018 48-Month	175.10" (4,447.54mm)	167.93" (4,265.42mm)	7.17" (182.12mm)	39th Wettest	Wettest since: 2015	2020
May 2013–Apr 2018 60-Month	218.82" (5,558.03mm)	209.83" (5,329.68mm)	8.99" (228.35mm)	92nd Driest	Driest since: 2017	1967
May 2013–Apr 2018 60-Month	218.82" (5,558.03mm)	209.83" (5,329.68mm)	8.99" (228.35mm)	32nd Wettest	Wettest since: 2016	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings