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.

Maryland

Precipitation Rankings, April 1981

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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 1981 1-Month	3.79" (96.27mm)	3.48" (88.39mm)	0.31" (7.88mm)	85th Driest	Driest since: 1979	1985
April 1981 1-Month	3.79" (96.27mm)	3.48" (88.39mm)	0.31" (7.88mm)	44th Wettest	Wettest since: 1980	1983
Mar–Apr 1981 2-Month	5.38" (136.65mm)	7.26" (184.40mm)	-1.88" (-47.75mm)	22nd Driest	Driest since: 1976	1915
	5.38" (136.65mm)	7.26" (184.40mm)	-1.88" (-47.75mm)	107th Wettest	Wettest since: 1980	1983
	Ties: 1941
Feb–Apr 1981 3-Month	9.36" (237.74mm)	10.15" (257.81mm)	-0.79" (-20.07mm)	52nd Driest	Driest since: 1978	2006
Feb–Apr 1981 3-Month	9.36" (237.74mm)	10.15" (257.81mm)	-0.79" (-20.07mm)	77th Wettest	Wettest since: 1980	1983
Jan–Apr 1981 4-Month	9.86" (250.44mm)	13.50" (342.90mm)	-3.64" (-92.46mm)	12th Driest	Driest since: 1977	1985
Jan–Apr 1981 4-Month	9.86" (250.44mm)	13.50" (342.90mm)	-3.64" (-92.46mm)	117th Wettest	Wettest since: 1980	1998
Dec 1980–Apr 1981 5-Month	10.69" (271.53mm)	16.79" (426.47mm)	-6.10" (-154.94mm)	2nd Driest	Driest since: 1981	1985
Dec 1980–Apr 1981 5-Month	10.69" (271.53mm)	16.79" (426.47mm)	-6.10" (-154.94mm)	126th Wettest	Wettest since: 1980	1937
Nov 1980–Apr 1981 6-Month	13.75" (349.25mm)	19.78" (502.41mm)	-6.03" (-153.16mm)	4th Driest	Driest since: 1977	1977
	13.75" (349.25mm)	19.78" (502.41mm)	-6.03" (-153.16mm)	124th Wettest	Wettest since: 1980	1998
	Ties: 1985
Oct 1980–Apr 1981 7-Month	17.66" (448.56mm)	22.91" (581.91mm)	-5.25" (-133.35mm)	10th Driest	Driest since: 1966	2002
Oct 1980–Apr 1981 7-Month	17.66" (448.56mm)	22.91" (581.91mm)	-5.25" (-133.35mm)	118th Wettest	Wettest since: 1980	1984
Sep 1980–Apr 1981 8-Month	19.87" (504.70mm)	26.46" (672.08mm)	-6.59" (-167.38mm)	7th Driest	Driest since: 1966	1931
Sep 1980–Apr 1981 8-Month	19.87" (504.70mm)	26.46" (672.08mm)	-6.59" (-167.38mm)	121st Wettest	Wettest since: 1980	2019
Aug 1980–Apr 1981 9-Month	22.68" (576.07mm)	30.83" (783.08mm)	-8.15" (-207.01mm)	4th Driest	Driest since: 1942	1931
Aug 1980–Apr 1981 9-Month	22.68" (576.07mm)	30.83" (783.08mm)	-8.15" (-207.01mm)	124th Wettest	Wettest since: 1980	2019
Jul 1980–Apr 1981 10-Month	26.52" (673.61mm)	34.99" (888.75mm)	-8.47" (-215.14mm)	3rd Driest	Driest since: 1931	1931
Jul 1980–Apr 1981 10-Month	26.52" (673.61mm)	34.99" (888.75mm)	-8.47" (-215.14mm)	125th Wettest	Wettest since: 1980	2019
Jun 1980–Apr 1981 11-Month	29.54" (750.32mm)	38.83" (986.28mm)	-9.29" (-235.96mm)	2nd Driest	Driest since: 1931	1931
Jun 1980–Apr 1981 11-Month	29.54" (750.32mm)	38.83" (986.28mm)	-9.29" (-235.96mm)	126th Wettest	Wettest since: 1980	2019
May 1980–Apr 1981 12-Month	33.10" (840.74mm)	42.55" (1,080.77mm)	-9.45" (-240.03mm)	4th Driest	Driest since: 1966	1931
May 1980–Apr 1981 12-Month	33.10" (840.74mm)	42.55" (1,080.77mm)	-9.45" (-240.03mm)	124th Wettest	Wettest since: 1980	2019
Nov 1979–Apr 1981 18-Month	51.70" (1,313.18mm)	62.30" (1,582.42mm)	-10.60" (-269.24mm)	5th Driest	Driest since: 1967	1931
Nov 1979–Apr 1981 18-Month	51.70" (1,313.18mm)	62.30" (1,582.42mm)	-10.60" (-269.24mm)	122nd Wettest	Wettest since: 1980	2004
May 1979–Apr 1981 24-Month	84.53" (2,147.06mm)	85.06" (2,160.52mm)	-0.53" (-13.46mm)	55th Driest	Driest since: 1970	1931
May 1979–Apr 1981 24-Month	84.53" (2,147.06mm)	85.06" (2,160.52mm)	-0.53" (-13.46mm)	72nd Wettest	Wettest since: 1980	2019
May 1978–Apr 1981 36-Month	133.27" (3,385.06mm)	127.66" (3,242.56mm)	5.61" (142.50mm)	83rd Driest	Driest since: 1977	1967
May 1978–Apr 1981 36-Month	133.27" (3,385.06mm)	127.66" (3,242.56mm)	5.61" (142.50mm)	43rd Wettest	Wettest since: 1980	2021
May 1977–Apr 1981 48-Month	178.39" (4,531.11mm)	170.21" (4,323.33mm)	8.18" (207.78mm)	85th Driest	Driest since: 1978	1968
May 1977–Apr 1981 48-Month	178.39" (4,531.11mm)	170.21" (4,323.33mm)	8.18" (207.78mm)	40th Wettest	Wettest since: 1980	2021
May 1976–Apr 1981 60-Month	217.95" (5,535.93mm)	212.58" (5,399.53mm)	5.37" (136.40mm)	72nd Driest	Driest since: 1972	1967
May 1976–Apr 1981 60-Month	217.95" (5,535.93mm)	212.58" (5,399.53mm)	5.37" (136.40mm)	52nd Wettest	Wettest since: 1980	2021

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