Statewide Rankings

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Month:

State:

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 2018

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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 2018 1-Month	7.61" (193.29mm)	3.73" (94.74mm)	3.88" (98.55mm)	128th Driest	Driest since: 2017	1964
May 2018 1-Month	7.61" (193.29mm)	3.73" (94.74mm)	3.88" (98.55mm)	1st Wettest	Wettest to Date	2018
Apr–May 2018 2-Month	11.36" (288.54mm)	7.21" (183.13mm)	4.15" (105.41mm)	124th Driest	Driest since: 2017	1963
Apr–May 2018 2-Month	11.36" (288.54mm)	7.21" (183.13mm)	4.15" (105.41mm)	5th Wettest	Wettest since: 2008	1983
Mar–May 2018 3-Month	14.14" (359.16mm)	10.99" (279.15mm)	3.15" (80.01mm)	114th Driest	Driest since: 2017	1986
Mar–May 2018 3-Month	14.14" (359.16mm)	10.99" (279.15mm)	3.15" (80.01mm)	15th Wettest	Wettest since: 2008	1983
Feb–May 2018 4-Month	18.87" (479.30mm)	13.88" (352.55mm)	4.99" (126.75mm)	122nd Driest	Driest since: 2017	2006
Feb–May 2018 4-Month	18.87" (479.30mm)	13.88" (352.55mm)	4.99" (126.75mm)	7th Wettest	Wettest since: 2003	1983
Jan–May 2018 5-Month	21.27" (540.26mm)	17.23" (437.64mm)	4.04" (102.62mm)	114th Driest	Driest since: 2017	1969
Jan–May 2018 5-Month	21.27" (540.26mm)	17.23" (437.64mm)	4.04" (102.62mm)	15th Wettest	Wettest since: 2003	1998
Dec 2017–May 2018 6-Month	22.22" (564.39mm)	20.52" (521.21mm)	1.70" (43.18mm)	92nd Driest	Driest since: 2017	1986
Dec 2017–May 2018 6-Month	22.22" (564.39mm)	20.52" (521.21mm)	1.70" (43.18mm)	36th Wettest	Wettest since: 2014	1984
Nov 2017–May 2018 7-Month	24.18" (614.17mm)	23.51" (597.15mm)	0.67" (17.02mm)	83rd Driest	Driest since: 2017	1977
Nov 2017–May 2018 7-Month	24.18" (614.17mm)	23.51" (597.15mm)	0.67" (17.02mm)	45th Wettest	Wettest since: 2014	1998
Oct 2017–May 2018 8-Month	27.97" (710.44mm)	26.64" (676.66mm)	1.33" (33.78mm)	87th Driest	Driest since: 2017	1925
Oct 2017–May 2018 8-Month	27.97" (710.44mm)	26.64" (676.66mm)	1.33" (33.78mm)	41st Wettest	Wettest since: 2014	1984
Sep 2017–May 2018 9-Month	29.98" (761.49mm)	30.19" (766.83mm)	-0.21" (-5.34mm)	64th Driest	Driest since: 2015	2002
	29.98" (761.49mm)	30.19" (766.83mm)	-0.21" (-5.34mm)	64th Wettest	Wettest since: 2017	2019
	Ties: 1944, 1964
Aug 2017–May 2018 10-Month	35.55" (902.97mm)	34.56" (877.82mm)	0.99" (25.15mm)	75th Driest	Driest since: 2017	1931
Aug 2017–May 2018 10-Month	35.55" (902.97mm)	34.56" (877.82mm)	0.99" (25.15mm)	53rd Wettest	Wettest since: 2014	2019
Jul 2017–May 2018 11-Month	43.31" (1,100.07mm)	38.72" (983.49mm)	4.59" (116.58mm)	96th Driest	Driest since: 2017	1931
	43.31" (1,100.07mm)	38.72" (983.49mm)	4.59" (116.58mm)	32nd Wettest	Wettest since: 2014	2019
	Ties: 1976
Jun 2017–May 2018 12-Month	45.42" (1,153.67mm)	42.56" (1,081.02mm)	2.86" (72.65mm)	83rd Driest	Driest since: 2017	1931
Jun 2017–May 2018 12-Month	45.42" (1,153.67mm)	42.56" (1,081.02mm)	2.86" (72.65mm)	45th Wettest	Wettest since: 2016	2019
Dec 2016–May 2018 18-Month	65.69" (1,668.53mm)	63.04" (1,601.22mm)	2.65" (67.31mm)	83rd Driest	Driest since: 2017	1931
Dec 2016–May 2018 18-Month	65.69" (1,668.53mm)	63.04" (1,601.22mm)	2.65" (67.31mm)	44th Wettest	Wettest since: 2016	2019
Jun 2016–May 2018 24-Month	87.27" (2,216.66mm)	85.05" (2,160.27mm)	2.22" (56.39mm)	72nd Driest	Driest since: 2009	1931
Jun 2016–May 2018 24-Month	87.27" (2,216.66mm)	85.05" (2,160.27mm)	2.22" (56.39mm)	55th Wettest	Wettest since: 2017	2019
Jun 2015–May 2018 36-Month	134.83" (3,424.68mm)	127.65" (3,242.31mm)	7.18" (182.37mm)	91st Driest	Driest since: 2017	1967
Jun 2015–May 2018 36-Month	134.83" (3,424.68mm)	127.65" (3,242.31mm)	7.18" (182.37mm)	35th Wettest	Wettest since: 2016	2021
Jun 2014–May 2018 48-Month	175.08" (4,447.03mm)	170.18" (4,322.57mm)	4.90" (124.46mm)	80th Driest	Driest since: 2009	1966
Jun 2014–May 2018 48-Month	175.08" (4,447.03mm)	170.18" (4,322.57mm)	4.90" (124.46mm)	45th Wettest	Wettest since: 2017	2021
Jun 2013–May 2018 60-Month	226.61" (5,755.89mm)	212.57" (5,399.28mm)	14.04" (356.61mm)	99th Driest	Driest since: 2017	1969
Jun 2013–May 2018 60-Month	226.61" (5,755.89mm)	212.57" (5,399.28mm)	14.04" (356.61mm)	25th Wettest	Wettest since: 2016	2022

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