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 1980

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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 1980 1-Month	4.39" (111.51mm)	3.48" (88.39mm)	0.91" (23.12mm)	98th Driest	Driest since: 1979	1985
April 1980 1-Month	4.39" (111.51mm)	3.48" (88.39mm)	0.91" (23.12mm)	31st Wettest	Wettest since: 1973	1983
Mar–Apr 1980 2-Month	9.76" (247.90mm)	7.26" (184.40mm)	2.50" (63.50mm)	116th Driest	Driest since: 1979	1915
Mar–Apr 1980 2-Month	9.76" (247.90mm)	7.26" (184.40mm)	2.50" (63.50mm)	13th Wettest	Wettest since: 1958	1983
Feb–Apr 1980 3-Month	10.86" (275.84mm)	10.15" (257.81mm)	0.71" (18.03mm)	85th Driest	Driest since: 1978	2006
Feb–Apr 1980 3-Month	10.86" (275.84mm)	10.15" (257.81mm)	0.71" (18.03mm)	44th Wettest	Wettest since: 1979	1983
Jan–Apr 1980 4-Month	13.47" (342.14mm)	13.51" (343.15mm)	-0.04" (-1.01mm)	72nd Driest	Driest since: 1977	1985
Jan–Apr 1980 4-Month	13.47" (342.14mm)	13.51" (343.15mm)	-0.04" (-1.01mm)	57th Wettest	Wettest since: 1979	1998
Dec 1979–Apr 1980 5-Month	14.96" (379.98mm)	16.79" (426.47mm)	-1.83" (-46.49mm)	40th Driest	Driest since: 1977	1985
Dec 1979–Apr 1980 5-Month	14.96" (379.98mm)	16.79" (426.47mm)	-1.83" (-46.49mm)	88th Wettest	Wettest since: 1979	1937
Nov 1979–Apr 1980 6-Month	18.60" (472.44mm)	19.78" (502.41mm)	-1.18" (-29.97mm)	56th Driest	Driest since: 1977	1977
Nov 1979–Apr 1980 6-Month	18.60" (472.44mm)	19.78" (502.41mm)	-1.18" (-29.97mm)	72nd Wettest	Wettest since: 1979	1998
Oct 1979–Apr 1980 7-Month	23.82" (605.03mm)	22.91" (581.91mm)	0.91" (23.12mm)	85th Driest	Driest since: 1977	2002
	23.82" (605.03mm)	22.91" (581.91mm)	0.91" (23.12mm)	43rd Wettest	Wettest since: 1979	1984
	Ties: 1948
Sep 1979–Apr 1980 8-Month	31.32" (795.53mm)	26.46" (672.08mm)	4.86" (123.45mm)	102nd Driest	Driest since: 1979	1931
Sep 1979–Apr 1980 8-Month	31.32" (795.53mm)	26.46" (672.08mm)	4.86" (123.45mm)	26th Wettest	Wettest since: 1978	2019
Aug 1979–Apr 1980 9-Month	38.19" (970.03mm)	30.83" (783.08mm)	7.36" (186.95mm)	116th Driest	Driest since: 1979	1931
Aug 1979–Apr 1980 9-Month	38.19" (970.03mm)	30.83" (783.08mm)	7.36" (186.95mm)	12th Wettest	Wettest since: 1972	2019
Jul 1979–Apr 1980 10-Month	42.87" (1,088.90mm)	34.99" (888.75mm)	7.88" (200.15mm)	119th Driest	Driest since: 1979	1931
Jul 1979–Apr 1980 10-Month	42.87" (1,088.90mm)	34.99" (888.75mm)	7.88" (200.15mm)	9th Wettest	Wettest since: 1972	2019
Jun 1979–Apr 1980 11-Month	47.05" (1,195.07mm)	38.83" (986.28mm)	8.22" (208.79mm)	118th Driest	Driest since: 1979	1931
Jun 1979–Apr 1980 11-Month	47.05" (1,195.07mm)	38.83" (986.28mm)	8.22" (208.79mm)	10th Wettest	Wettest since: 1973	2019
May 1979–Apr 1980 12-Month	51.43" (1,306.32mm)	42.55" (1,080.77mm)	8.88" (225.55mm)	119th Driest	Driest since: 1979	1931
May 1979–Apr 1980 12-Month	51.43" (1,306.32mm)	42.55" (1,080.77mm)	8.88" (225.55mm)	9th Wettest	Wettest since: 1973	2019
Nov 1978–Apr 1980 18-Month	78.05" (1,982.47mm)	62.30" (1,582.42mm)	15.75" (400.05mm)	123rd Driest	Driest since: 1979	1931
Nov 1978–Apr 1980 18-Month	78.05" (1,982.47mm)	62.30" (1,582.42mm)	15.75" (400.05mm)	4th Wettest	Wettest to Date	2004
May 1978–Apr 1980 24-Month	100.17" (2,544.32mm)	85.06" (2,160.52mm)	15.11" (383.80mm)	119th Driest	Driest since: 1979	1931
May 1978–Apr 1980 24-Month	100.17" (2,544.32mm)	85.06" (2,160.52mm)	15.11" (383.80mm)	8th Wettest	Wettest since: 1973	2019
May 1977–Apr 1980 36-Month	145.29" (3,690.37mm)	127.66" (3,242.56mm)	17.63" (447.81mm)	117th Driest	Driest since: 1979	1967
May 1977–Apr 1980 36-Month	145.29" (3,690.37mm)	127.66" (3,242.56mm)	17.63" (447.81mm)	9th Wettest	Wettest since: 1974	2021
May 1976–Apr 1980 48-Month	184.85" (4,695.19mm)	170.21" (4,323.33mm)	14.64" (371.86mm)	105th Driest	Driest since: 1979	1968
May 1976–Apr 1980 48-Month	184.85" (4,695.19mm)	170.21" (4,323.33mm)	14.64" (371.86mm)	20th Wettest	Wettest since: 1976	2021
May 1975–Apr 1980 60-Month	233.81" (5,938.77mm)	212.58" (5,399.53mm)	21.23" (539.24mm)	110th Driest	Driest since: 1979	1967
May 1975–Apr 1980 60-Month	233.81" (5,938.77mm)	212.58" (5,399.53mm)	21.23" (539.24mm)	14th Wettest	Wettest since: 1976	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings