Statewide Rankings

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Month:

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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 2019

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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 2019 1-Month	6.52" (165.61mm)	3.93" (99.82mm)	2.59" (65.79mm)	124th Driest	Driest since: 2018	1964
May 2019 1-Month	6.52" (165.61mm)	3.93" (99.82mm)	2.59" (65.79mm)	5th Wettest	Wettest since: 1989	1989
Apr–May 2019 2-Month	11.05" (280.67mm)	7.57" (192.28mm)	3.48" (88.39mm)	123rd Driest	Driest since: 2018	1926
Apr–May 2019 2-Month	11.05" (280.67mm)	7.57" (192.28mm)	3.48" (88.39mm)	6th Wettest	Wettest since: 2011	2011
Mar–May 2019 3-Month	14.02" (356.11mm)	11.06" (280.92mm)	2.96" (75.19mm)	116th Driest	Driest since: 2018	1926
Mar–May 2019 3-Month	14.02" (356.11mm)	11.06" (280.92mm)	2.96" (75.19mm)	13th Wettest	Wettest since: 2017	2011
Feb–May 2019 4-Month	17.47" (443.74mm)	13.66" (346.96mm)	3.81" (96.78mm)	118th Driest	Driest since: 2017	1941
Feb–May 2019 4-Month	17.47" (443.74mm)	13.66" (346.96mm)	3.81" (96.78mm)	11th Wettest	Wettest since: 2018	2011
Jan–May 2019 5-Month	21.74" (552.20mm)	16.71" (424.43mm)	5.03" (127.77mm)	124th Driest	Driest since: 2018	1941
Jan–May 2019 5-Month	21.74" (552.20mm)	16.71" (424.43mm)	5.03" (127.77mm)	5th Wettest	Wettest since: 2011	2011
Dec 2018–May 2019 6-Month	26.00" (660.40mm)	19.81" (503.17mm)	6.19" (157.23mm)	124th Driest	Driest since: 2018	1941
Dec 2018–May 2019 6-Month	26.00" (660.40mm)	19.81" (503.17mm)	6.19" (157.23mm)	4th Wettest	Wettest since: 2011	2011
Nov 2018–May 2019 7-Month	32.06" (814.32mm)	23.02" (584.71mm)	9.04" (229.61mm)	126th Driest	Driest since: 2018	1934
Nov 2018–May 2019 7-Month	32.06" (814.32mm)	23.02" (584.71mm)	9.04" (229.61mm)	2nd Wettest	Wettest since: 1952	1952
Oct 2018–May 2019 8-Month	36.34" (923.04mm)	26.19" (665.23mm)	10.15" (257.81mm)	126th Driest	Driest since: 2018	1925
Oct 2018–May 2019 8-Month	36.34" (923.04mm)	26.19" (665.23mm)	10.15" (257.81mm)	2nd Wettest	Wettest since: 2011	2011
Sep 2018–May 2019 9-Month	45.22" (1,148.59mm)	29.75" (755.65mm)	15.47" (392.94mm)	127th Driest	Driest since: 2018	1941
Sep 2018–May 2019 9-Month	45.22" (1,148.59mm)	29.75" (755.65mm)	15.47" (392.94mm)	1st Wettest	Wettest to Date	2019
Aug 2018–May 2019 10-Month	51.48" (1,307.59mm)	33.62" (853.95mm)	17.86" (453.64mm)	127th Driest	Driest since: 2018	1931
Aug 2018–May 2019 10-Month	51.48" (1,307.59mm)	33.62" (853.95mm)	17.86" (453.64mm)	1st Wettest	Wettest to Date	2019
Jul 2018–May 2019 11-Month	59.01" (1,498.85mm)	37.82" (960.63mm)	21.19" (538.22mm)	127th Driest	Driest since: 2018	1931
Jul 2018–May 2019 11-Month	59.01" (1,498.85mm)	37.82" (960.63mm)	21.19" (538.22mm)	1st Wettest	Wettest to Date	2019
Jun 2018–May 2019 12-Month	64.33" (1,633.98mm)	41.97" (1,066.04mm)	22.36" (567.94mm)	127th Driest	Driest since: 2018	1931
Jun 2018–May 2019 12-Month	64.33" (1,633.98mm)	41.97" (1,066.04mm)	22.36" (567.94mm)	1st Wettest	Wettest to Date	2019
Dec 2017–May 2019 18-Month	87.48" (2,221.99mm)	61.76" (1,568.70mm)	25.72" (653.29mm)	126th Driest	Driest since: 2018	1931
Dec 2017–May 2019 18-Month	87.48" (2,221.99mm)	61.76" (1,568.70mm)	25.72" (653.29mm)	1st Wettest	Wettest to Date	2019
Jun 2017–May 2019 24-Month	112.12" (2,847.85mm)	83.91" (2,131.31mm)	28.21" (716.54mm)	126th Driest	Driest since: 2018	1931
Jun 2017–May 2019 24-Month	112.12" (2,847.85mm)	83.91" (2,131.31mm)	28.21" (716.54mm)	1st Wettest	Wettest to Date	2019
Jun 2016–May 2019 36-Month	156.59" (3,977.39mm)	125.93" (3,198.62mm)	30.66" (778.77mm)	124th Driest	Driest since: 2018	1965
Jun 2016–May 2019 36-Month	156.59" (3,977.39mm)	125.93" (3,198.62mm)	30.66" (778.77mm)	2nd Wettest	Wettest to Date	2020
Jun 2015–May 2019 48-Month	200.91" (5,103.11mm)	167.92" (4,265.17mm)	32.99" (837.94mm)	122nd Driest	Driest since: 2018	1966
Jun 2015–May 2019 48-Month	200.91" (5,103.11mm)	167.92" (4,265.17mm)	32.99" (837.94mm)	3rd Wettest	Wettest to Date	2020
Jun 2014–May 2019 60-Month	239.62" (6,086.35mm)	209.84" (5,329.94mm)	29.78" (756.41mm)	118th Driest	Driest since: 2018	1967
Jun 2014–May 2019 60-Month	239.62" (6,086.35mm)	209.84" (5,329.94mm)	29.78" (756.41mm)	6th Wettest	Wettest since: 2008	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings