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 1947

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 1947 1-Month	2.88" (73.15mm)	3.48" (88.39mm)	-0.60" (-15.24mm)	45th Driest	Driest since: 1946	1985
April 1947 1-Month	2.88" (73.15mm)	3.48" (88.39mm)	-0.60" (-15.24mm)	84th Wettest	Wettest since: 1945	1983
Mar–Apr 1947 2-Month	4.61" (117.09mm)	7.26" (184.40mm)	-2.65" (-67.31mm)	12th Driest	Driest since: 1946	1915
Mar–Apr 1947 2-Month	4.61" (117.09mm)	7.26" (184.40mm)	-2.65" (-67.31mm)	117th Wettest	Wettest since: 1945	1983
Feb–Apr 1947 3-Month	6.16" (156.46mm)	10.15" (257.81mm)	-3.99" (-101.35mm)	3rd Driest	Driest to Date	2006
Feb–Apr 1947 3-Month	6.16" (156.46mm)	10.15" (257.81mm)	-3.99" (-101.35mm)	126th Wettest	Wettest since: 1946	1983
Jan–Apr 1947 4-Month	10.32" (262.13mm)	13.51" (343.15mm)	-3.19" (-81.02mm)	16th Driest	Driest since: 1946	1985
Jan–Apr 1947 4-Month	10.32" (262.13mm)	13.51" (343.15mm)	-3.19" (-81.02mm)	113th Wettest	Wettest since: 1945	1998
Dec 1946–Apr 1947 5-Month	12.58" (319.53mm)	16.79" (426.47mm)	-4.21" (-106.94mm)	12th Driest	Driest since: 1941	1985
Dec 1946–Apr 1947 5-Month	12.58" (319.53mm)	16.79" (426.47mm)	-4.21" (-106.94mm)	116th Wettest	Wettest since: 1946	1937
Nov 1946–Apr 1947 6-Month	14.08" (357.63mm)	19.78" (502.41mm)	-5.70" (-144.78mm)	6th Driest	Driest since: 1904	1977
Nov 1946–Apr 1947 6-Month	14.08" (357.63mm)	19.78" (502.41mm)	-5.70" (-144.78mm)	122nd Wettest	Wettest since: 1946	1998
Oct 1946–Apr 1947 7-Month	16.81" (426.97mm)	22.91" (581.91mm)	-6.10" (-154.94mm)	6th Driest	Driest since: 1931	2002
Oct 1946–Apr 1947 7-Month	16.81" (426.97mm)	22.91" (581.91mm)	-6.10" (-154.94mm)	122nd Wettest	Wettest since: 1946	1984
Sep 1946–Apr 1947 8-Month	20.25" (514.35mm)	26.46" (672.08mm)	-6.21" (-157.73mm)	9th Driest	Driest since: 1942	1931
Sep 1946–Apr 1947 8-Month	20.25" (514.35mm)	26.46" (672.08mm)	-6.21" (-157.73mm)	119th Wettest	Wettest since: 1946	2019
Aug 1946–Apr 1947 9-Month	24.70" (627.38mm)	30.83" (783.08mm)	-6.13" (-155.70mm)	10th Driest	Driest since: 1942	1931
	24.70" (627.38mm)	30.83" (783.08mm)	-6.13" (-155.70mm)	118th Wettest	Wettest since: 1946	2019
	Ties: 1969
Jul 1946–Apr 1947 10-Month	28.43" (722.12mm)	34.99" (888.75mm)	-6.56" (-166.63mm)	13th Driest	Driest since: 1942	1931
Jul 1946–Apr 1947 10-Month	28.43" (722.12mm)	34.99" (888.75mm)	-6.56" (-166.63mm)	115th Wettest	Wettest since: 1946	2019
Jun 1946–Apr 1947 11-Month	32.71" (830.83mm)	38.83" (986.28mm)	-6.12" (-155.45mm)	15th Driest	Driest since: 1931	1931
Jun 1946–Apr 1947 11-Month	32.71" (830.83mm)	38.83" (986.28mm)	-6.12" (-155.45mm)	113th Wettest	Wettest since: 1946	2019
May 1946–Apr 1947 12-Month	39.19" (995.43mm)	42.55" (1,080.77mm)	-3.36" (-85.34mm)	36th Driest	Driest since: 1945	1931
May 1946–Apr 1947 12-Month	39.19" (995.43mm)	42.55" (1,080.77mm)	-3.36" (-85.34mm)	92nd Wettest	Wettest since: 1946	2019
Nov 1945–Apr 1947 18-Month	57.44" (1,458.98mm)	62.30" (1,582.42mm)	-4.86" (-123.44mm)	31st Driest	Driest since: 1944	1931
Nov 1945–Apr 1947 18-Month	57.44" (1,458.98mm)	62.30" (1,582.42mm)	-4.86" (-123.44mm)	96th Wettest	Wettest since: 1946	2004
May 1945–Apr 1947 24-Month	87.52" (2,223.01mm)	85.06" (2,160.52mm)	2.46" (62.49mm)	76th Driest	Driest since: 1946	1931
May 1945–Apr 1947 24-Month	87.52" (2,223.01mm)	85.06" (2,160.52mm)	2.46" (62.49mm)	51st Wettest	Wettest since: 1940	2019
May 1944–Apr 1947 36-Month	126.04" (3,201.42mm)	127.66" (3,242.56mm)	-1.62" (-41.14mm)	50th Driest	Driest since: 1946	1967
May 1944–Apr 1947 36-Month	126.04" (3,201.42mm)	127.66" (3,242.56mm)	-1.62" (-41.14mm)	76th Wettest	Wettest since: 1941	2021
May 1943–Apr 1947 48-Month	165.10" (4,193.54mm)	170.21" (4,323.33mm)	-5.11" (-129.79mm)	35th Driest	Driest since: 1945	1968
May 1943–Apr 1947 48-Month	165.10" (4,193.54mm)	170.21" (4,323.33mm)	-5.11" (-129.79mm)	90th Wettest	Wettest since: 1946	2021
May 1942–Apr 1947 60-Month	212.82" (5,405.63mm)	212.58" (5,399.53mm)	0.24" (6.10mm)	54th Driest	Driest since: 1946	1967
May 1942–Apr 1947 60-Month	212.82" (5,405.63mm)	212.58" (5,399.53mm)	0.24" (6.10mm)	70th Wettest	Wettest since: 1941	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings