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, May 1951

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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
May 1951 1-Month	2.93" (74.42mm)	3.73" (94.74mm)	-0.80" (-20.32mm)	38th Driest	Driest since: 1944	1964
	2.93" (74.42mm)	3.73" (94.74mm)	-0.80" (-20.32mm)	91st Wettest	Wettest since: 1950	2018
	Ties: 1993
Apr–May 1951 2-Month	6.47" (164.34mm)	7.21" (183.13mm)	-0.74" (-18.79mm)	52nd Driest	Driest since: 1950	1963
Apr–May 1951 2-Month	6.47" (164.34mm)	7.21" (183.13mm)	-0.74" (-18.79mm)	77th Wettest	Wettest since: 1949	1983
Mar–May 1951 3-Month	9.67" (245.62mm)	10.99" (279.15mm)	-1.32" (-33.53mm)	38th Driest	Driest since: 1947	1986
Mar–May 1951 3-Month	9.67" (245.62mm)	10.99" (279.15mm)	-1.32" (-33.53mm)	91st Wettest	Wettest since: 1950	1983
Feb–May 1951 4-Month	12.71" (322.83mm)	13.88" (352.55mm)	-1.17" (-29.72mm)	39th Driest	Driest since: 1947	2006
Feb–May 1951 4-Month	12.71" (322.83mm)	13.88" (352.55mm)	-1.17" (-29.72mm)	90th Wettest	Wettest since: 1950	1983
Jan–May 1951 5-Month	15.13" (384.30mm)	17.23" (437.64mm)	-2.10" (-53.34mm)	34th Driest	Driest since: 1941	1969
Jan–May 1951 5-Month	15.13" (384.30mm)	17.23" (437.64mm)	-2.10" (-53.34mm)	95th Wettest	Wettest since: 1950	1998
Dec 1950–May 1951 6-Month	18.39" (467.11mm)	20.52" (521.21mm)	-2.13" (-54.10mm)	35th Driest	Driest since: 1950	1986
Dec 1950–May 1951 6-Month	18.39" (467.11mm)	20.52" (521.21mm)	-2.13" (-54.10mm)	93rd Wettest	Wettest since: 1949	1984
Nov 1950–May 1951 7-Month	21.69" (550.93mm)	23.51" (597.15mm)	-1.82" (-46.22mm)	47th Driest	Driest since: 1950	1977
Nov 1950–May 1951 7-Month	21.69" (550.93mm)	23.51" (597.15mm)	-1.82" (-46.22mm)	81st Wettest	Wettest since: 1949	1998
Oct 1950–May 1951 8-Month	24.22" (615.19mm)	26.64" (676.66mm)	-2.42" (-61.47mm)	45th Driest	Driest since: 1950	1925
Oct 1950–May 1951 8-Month	24.22" (615.19mm)	26.64" (676.66mm)	-2.42" (-61.47mm)	83rd Wettest	Wettest since: 1949	1984
Sep 1950–May 1951 9-Month	30.58" (776.73mm)	30.19" (766.83mm)	0.39" (9.90mm)	73rd Driest	Driest since: 1950	2002
Sep 1950–May 1951 9-Month	30.58" (776.73mm)	30.19" (766.83mm)	0.39" (9.90mm)	55th Wettest	Wettest since: 1949	2019
Aug 1950–May 1951 10-Month	34.05" (864.87mm)	34.56" (877.82mm)	-0.51" (-12.95mm)	58th Driest	Driest since: 1950	1931
Aug 1950–May 1951 10-Month	34.05" (864.87mm)	34.56" (877.82mm)	-0.51" (-12.95mm)	70th Wettest	Wettest since: 1949	2019
Jul 1950–May 1951 11-Month	38.53" (978.66mm)	38.72" (983.49mm)	-0.19" (-4.83mm)	59th Driest	Driest since: 1950	1931
Jul 1950–May 1951 11-Month	38.53" (978.66mm)	38.72" (983.49mm)	-0.19" (-4.83mm)	69th Wettest	Wettest since: 1949	2019
Jun 1950–May 1951 12-Month	41.54" (1,055.12mm)	42.56" (1,081.02mm)	-1.02" (-25.90mm)	55th Driest	Driest since: 1950	1931
Jun 1950–May 1951 12-Month	41.54" (1,055.12mm)	42.56" (1,081.02mm)	-1.02" (-25.90mm)	73rd Wettest	Wettest since: 1949	2019
Dec 1949–May 1951 18-Month	59.83" (1,519.68mm)	63.04" (1,601.22mm)	-3.21" (-81.54mm)	39th Driest	Driest since: 1947	1931
Dec 1949–May 1951 18-Month	59.83" (1,519.68mm)	63.04" (1,601.22mm)	-3.21" (-81.54mm)	88th Wettest	Wettest since: 1950	2019
Jun 1949–May 1951 24-Month	80.13" (2,035.30mm)	85.05" (2,160.27mm)	-4.92" (-124.97mm)	32nd Driest	Driest since: 1945	1931
Jun 1949–May 1951 24-Month	80.13" (2,035.30mm)	85.05" (2,160.27mm)	-4.92" (-124.97mm)	95th Wettest	Wettest since: 1950	2019
Jun 1948–May 1951 36-Month	131.53" (3,340.86mm)	127.65" (3,242.31mm)	3.88" (98.55mm)	72nd Driest	Driest since: 1947	1967
Jun 1948–May 1951 36-Month	131.53" (3,340.86mm)	127.65" (3,242.31mm)	3.88" (98.55mm)	54th Wettest	Wettest since: 1950	2021
Jun 1947–May 1951 48-Month	177.03" (4,496.56mm)	170.18" (4,322.57mm)	6.85" (173.99mm)	84th Driest	Driest since: 1950	1966
Jun 1947–May 1951 48-Month	177.03" (4,496.56mm)	170.18" (4,322.57mm)	6.85" (173.99mm)	41st Wettest	Wettest since: 1949	2021
Jun 1946–May 1951 60-Month	214.71" (5,453.63mm)	212.57" (5,399.28mm)	2.14" (54.35mm)	61st Driest	Driest since: 1948	1969
Jun 1946–May 1951 60-Month	214.71" (5,453.63mm)	212.57" (5,399.28mm)	2.14" (54.35mm)	63rd Wettest	Wettest since: 1950	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings