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, March 2021

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
March 2021 1-Month	2.81" (71.37mm)	3.49" (88.65mm)	-0.68" (-17.28mm)	37th Driest	Driest since: 2016	1910
March 2021 1-Month	2.81" (71.37mm)	3.49" (88.65mm)	-0.68" (-17.28mm)	93rd Wettest	Wettest since: 2020	1936
Feb–Mar 2021 2-Month	5.83" (148.08mm)	6.09" (154.69mm)	-0.26" (-6.61mm)	53rd Driest	Driest since: 2015	1969
	5.83" (148.08mm)	6.09" (154.69mm)	-0.26" (-6.61mm)	77th Wettest	Wettest since: 2020	2008
	Ties: 1985
Jan–Mar 2021 3-Month	7.62" (193.55mm)	9.14" (232.16mm)	-1.52" (-38.61mm)	24th Driest	Driest since: 2015	1969
Jan–Mar 2021 3-Month	7.62" (193.55mm)	9.14" (232.16mm)	-1.52" (-38.61mm)	106th Wettest	Wettest since: 2020	1936
Dec 2020–Mar 2021 4-Month	12.06" (306.32mm)	12.24" (310.90mm)	-0.18" (-4.58mm)	62nd Driest	Driest since: 2015	1969
	12.06" (306.32mm)	12.24" (310.90mm)	-0.18" (-4.58mm)	67th Wettest	Wettest since: 2020	1903
	Ties: 1942
Nov 2020–Mar 2021 5-Month	15.03" (381.76mm)	15.45" (392.43mm)	-0.42" (-10.67mm)	60th Driest	Driest since: 2016	1931
Nov 2020–Mar 2021 5-Month	15.03" (381.76mm)	15.45" (392.43mm)	-0.42" (-10.67mm)	69th Wettest	Wettest since: 2020	1951
Oct 2020–Mar 2021 6-Month	18.66" (473.96mm)	18.62" (472.95mm)	0.04" (1.01mm)	60th Driest	Driest since: 2016	1931
Oct 2020–Mar 2021 6-Month	18.66" (473.96mm)	18.62" (472.95mm)	0.04" (1.01mm)	69th Wettest	Wettest since: 2020	2008
Sep 2020–Mar 2021 7-Month	21.12" (536.45mm)	22.18" (563.37mm)	-1.06" (-26.92mm)	48th Driest	Driest since: 2015	1931
	21.12" (536.45mm)	22.18" (563.37mm)	-1.06" (-26.92mm)	81st Wettest	Wettest since: 2020	2019
	Ties: 1921
Aug 2020–Mar 2021 8-Month	25.49" (647.45mm)	26.05" (661.67mm)	-0.56" (-14.22mm)	53rd Driest	Driest since: 2016	1931
	25.49" (647.45mm)	26.05" (661.67mm)	-0.56" (-14.22mm)	76th Wettest	Wettest since: 2020	2019
	Ties: 1934
Jul 2020–Mar 2021 9-Month	29.06" (738.12mm)	30.25" (768.35mm)	-1.19" (-30.23mm)	43rd Driest	Driest since: 2015	1931
Jul 2020–Mar 2021 9-Month	29.06" (738.12mm)	30.25" (768.35mm)	-1.19" (-30.23mm)	86th Wettest	Wettest since: 2020	2019
Jun 2020–Mar 2021 10-Month	32.23" (818.64mm)	34.40" (873.76mm)	-2.17" (-55.12mm)	36th Driest	Driest since: 2009	1931
Jun 2020–Mar 2021 10-Month	32.23" (818.64mm)	34.40" (873.76mm)	-2.17" (-55.12mm)	93rd Wettest	Wettest since: 2020	2019
May 2020–Mar 2021 11-Month	35.70" (906.78mm)	38.31" (973.07mm)	-2.61" (-66.29mm)	30th Driest	Driest since: 2006	1931
May 2020–Mar 2021 11-Month	35.70" (906.78mm)	38.31" (973.07mm)	-2.61" (-66.29mm)	99th Wettest	Wettest since: 2020	2019
Apr 2020–Mar 2021 12-Month	40.21" (1,021.33mm)	41.93" (1,065.02mm)	-1.72" (-43.69mm)	38th Driest	Driest since: 2009	1931
Apr 2020–Mar 2021 12-Month	40.21" (1,021.33mm)	41.93" (1,065.02mm)	-1.72" (-43.69mm)	91st Wettest	Wettest since: 2020	2019
Oct 2019–Mar 2021 18-Month	62.64" (1,591.06mm)	60.56" (1,538.22mm)	2.08" (52.84mm)	77th Driest	Driest since: 2017	1931
	62.64" (1,591.06mm)	60.56" (1,538.22mm)	2.08" (52.84mm)	51st Wettest	Wettest since: 2020	2019
	Ties: 1916
Apr 2019–Mar 2021 24-Month	90.97" (2,310.64mm)	83.86" (2,130.04mm)	7.11" (180.60mm)	104th Driest	Driest since: 2018	1967
Apr 2019–Mar 2021 24-Month	90.97" (2,310.64mm)	83.86" (2,130.04mm)	7.11" (180.60mm)	24th Wettest	Wettest since: 2020	2020
Apr 2018–Mar 2021 36-Month	153.90" (3,909.06mm)	125.85" (3,196.59mm)	28.05" (712.47mm)	124th Driest	Driest since: 2019	1966
Apr 2018–Mar 2021 36-Month	153.90" (3,909.06mm)	125.85" (3,196.59mm)	28.05" (712.47mm)	3rd Wettest	Wettest since: 2020	2020
Apr 2017–Mar 2021 48-Month	202.31" (5,138.67mm)	167.87" (4,263.90mm)	34.44" (874.77mm)	124th Driest	Driest since: 2019	1967
Apr 2017–Mar 2021 48-Month	202.31" (5,138.67mm)	167.87" (4,263.90mm)	34.44" (874.77mm)	2nd Wettest	Wettest since: 2020	2020
Apr 2016–Mar 2021 60-Month	243.02" (6,172.71mm)	209.74" (5,327.40mm)	33.28" (845.31mm)	119th Driest	Driest since: 2019	1967
Apr 2016–Mar 2021 60-Month	243.02" (6,172.71mm)	209.74" (5,327.40mm)	33.28" (845.31mm)	6th Wettest	Wettest since: 2020	2022

Citing This Page

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