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 1972

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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 1972 1-Month	4.60" (116.84mm)	3.48" (88.39mm)	1.12" (28.45mm)	102nd Driest	Driest since: 1971	1985
April 1972 1-Month	4.60" (116.84mm)	3.48" (88.39mm)	1.12" (28.45mm)	27th Wettest	Wettest since: 1970	1983
Mar–Apr 1972 2-Month	7.35" (186.69mm)	7.26" (184.40mm)	0.09" (2.29mm)	77th Driest	Driest since: 1971	1915
	7.35" (186.69mm)	7.26" (184.40mm)	0.09" (2.29mm)	52nd Wettest	Wettest since: 1970	1983
	Ties: 1999
Feb–Apr 1972 3-Month	12.89" (327.41mm)	10.15" (257.81mm)	2.74" (69.60mm)	114th Driest	Driest since: 1971	2006
Feb–Apr 1972 3-Month	12.89" (327.41mm)	10.15" (257.81mm)	2.74" (69.60mm)	15th Wettest	Wettest since: 1961	1983
Jan–Apr 1972 4-Month	15.91" (404.11mm)	13.51" (343.15mm)	2.40" (60.96mm)	109th Driest	Driest since: 1971	1985
Jan–Apr 1972 4-Month	15.91" (404.11mm)	13.51" (343.15mm)	2.40" (60.96mm)	20th Wettest	Wettest since: 1964	1998
Dec 1971–Apr 1972 5-Month	17.54" (445.52mm)	16.79" (426.47mm)	0.75" (19.05mm)	84th Driest	Driest since: 1971	1985
Dec 1971–Apr 1972 5-Month	17.54" (445.52mm)	16.79" (426.47mm)	0.75" (19.05mm)	44th Wettest	Wettest since: 1970	1937
Nov 1971–Apr 1972 6-Month	21.48" (545.59mm)	19.78" (502.41mm)	1.70" (43.18mm)	92nd Driest	Driest since: 1971	1977
Nov 1971–Apr 1972 6-Month	21.48" (545.59mm)	19.78" (502.41mm)	1.70" (43.18mm)	36th Wettest	Wettest since: 1970	1998
Oct 1971–Apr 1972 7-Month	27.90" (708.66mm)	22.91" (581.91mm)	4.99" (126.75mm)	107th Driest	Driest since: 1971	2002
Oct 1971–Apr 1972 7-Month	27.90" (708.66mm)	22.91" (581.91mm)	4.99" (126.75mm)	21st Wettest	Wettest since: 1958	1984
Sep 1971–Apr 1972 8-Month	32.20" (817.88mm)	26.46" (672.08mm)	5.74" (145.80mm)	109th Driest	Driest since: 1971	1931
Sep 1971–Apr 1972 8-Month	32.20" (817.88mm)	26.46" (672.08mm)	5.74" (145.80mm)	19th Wettest	Wettest since: 1958	2019
Aug 1971–Apr 1972 9-Month	40.37" (1,025.40mm)	30.83" (783.08mm)	9.54" (242.32mm)	126th Driest	Driest since: 1971	1931
Aug 1971–Apr 1972 9-Month	40.37" (1,025.40mm)	30.83" (783.08mm)	9.54" (242.32mm)	2nd Wettest	Wettest to Date	2019
Jul 1971–Apr 1972 10-Month	44.25" (1,123.95mm)	34.99" (888.75mm)	9.26" (235.20mm)	123rd Driest	Driest since: 1971	1931
Jul 1971–Apr 1972 10-Month	44.25" (1,123.95mm)	34.99" (888.75mm)	9.26" (235.20mm)	5th Wettest	Wettest to Date	2019
Jun 1971–Apr 1972 11-Month	46.47" (1,180.34mm)	38.83" (986.28mm)	7.64" (194.06mm)	116th Driest	Driest since: 1971	1931
Jun 1971–Apr 1972 11-Month	46.47" (1,180.34mm)	38.83" (986.28mm)	7.64" (194.06mm)	12th Wettest	Wettest since: 1949	2019
May 1971–Apr 1972 12-Month	53.11" (1,348.99mm)	42.55" (1,080.77mm)	10.56" (268.22mm)	121st Driest	Driest since: 1971	1931
May 1971–Apr 1972 12-Month	53.11" (1,348.99mm)	42.55" (1,080.77mm)	10.56" (268.22mm)	7th Wettest	Wettest since: 1949	2019
Nov 1970–Apr 1972 18-Month	73.63" (1,870.20mm)	62.30" (1,582.42mm)	11.33" (287.78mm)	115th Driest	Driest since: 1971	1931
Nov 1970–Apr 1972 18-Month	73.63" (1,870.20mm)	62.30" (1,582.42mm)	11.33" (287.78mm)	12th Wettest	Wettest since: 1953	2004
May 1970–Apr 1972 24-Month	93.71" (2,380.23mm)	85.06" (2,160.52mm)	8.65" (219.71mm)	103rd Driest	Driest since: 1971	1931
May 1970–Apr 1972 24-Month	93.71" (2,380.23mm)	85.06" (2,160.52mm)	8.65" (219.71mm)	24th Wettest	Wettest since: 1953	2019
May 1969–Apr 1972 36-Month	138.20" (3,510.28mm)	127.66" (3,242.56mm)	10.54" (267.72mm)	103rd Driest	Driest since: 1971	1967
May 1969–Apr 1972 36-Month	138.20" (3,510.28mm)	127.66" (3,242.56mm)	10.54" (267.72mm)	23rd Wettest	Wettest since: 1953	2021
May 1968–Apr 1972 48-Month	174.44" (4,430.78mm)	170.21" (4,323.33mm)	4.23" (107.45mm)	77th Driest	Driest since: 1971	1968
May 1968–Apr 1972 48-Month	174.44" (4,430.78mm)	170.21" (4,323.33mm)	4.23" (107.45mm)	48th Wettest	Wettest since: 1961	2021
May 1967–Apr 1972 60-Month	215.55" (5,474.97mm)	212.58" (5,399.53mm)	2.97" (75.44mm)	65th Driest	Driest since: 1971	1967
May 1967–Apr 1972 60-Month	215.55" (5,474.97mm)	212.58" (5,399.53mm)	2.97" (75.44mm)	59th Wettest	Wettest since: 1962	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings