Statewide Rankings

Statewide Data Info
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, March 2021

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
March 2021
1-Month		3.42"
(86.87mm)		3.78"
(96.01mm)		-0.36"
(-9.14mm)		59th Driest
Driest since:
2006
71st Wettest
Wettest since:
1994
Feb–Mar 2021
2-Month		7.76"
(197.10mm)		6.67"
(169.42mm)		1.09"
(27.68mm)		95th Driest
Driest since:
2006
35th Wettest
Wettest since:
1994
Jan–Mar 2021
3-Month		9.83"
(249.68mm)		10.02"
(254.51mm)		-0.19"
(-4.83mm)		69th Driest
Driest since:
2009
61st Wettest
Wettest since:
1998
Dec 2020–Mar 2021
4-Month		15.24"
(387.10mm)		13.31"
(338.07mm)		1.93"
(49.03mm)		101st Driest
Driest since:
1981
28th Wettest
Wettest since:
1994
Nov 2020–Mar 2021
5-Month		20.00"
(508.00mm)		16.29"
(413.77mm)		3.71"
(94.23mm)		110th Driest
Driest since:
1977
19th Wettest
Wettest since:
1998
Oct 2020–Mar 2021
6-Month		24.64"
(625.86mm)		19.43"
(493.52mm)		5.21"
(132.34mm)		112th Driest
Driest since:
2002
17th Wettest
Wettest since:
1984
Sep 2020–Mar 2021
7-Month		28.66"
(727.96mm)		22.98"
(583.69mm)		5.68"
(144.27mm)		116th Driest
Driest since:
2002
13th Wettest
Wettest since:
2019
Aug 2020–Mar 2021
8-Month		37.60"
(955.04mm)		27.35"
(694.69mm)		10.25"
(260.35mm)		126th Driest
Driest since:
1931
3rd Wettest
Wettest since:
2019
Jul 2020–Mar 2021
9-Month		41.97"
(1,066.04mm)		31.51"
(800.35mm)		10.46"
(265.69mm)		127th Driest
Driest since:
1931
2nd Wettest
Wettest since:
2019
Jun 2020–Mar 2021
10-Month		45.58"
(1,157.73mm)		35.35"
(897.89mm)		10.23"
(259.84mm)		123rd Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
May 2020–Mar 2021
11-Month		48.64"
(1,235.46mm)		39.07"
(992.38mm)		9.57"
(243.08mm)		121st Driest
Driest since:
1931
8th Wettest
Wettest since:
2019
Apr 2020–Mar 2021
12-Month		53.52"
(1,359.41mm)		42.53"
(1,080.26mm)		10.99"
(279.15mm)		122nd Driest
Driest since:
1931
7th Wettest
Wettest since:
2019
Oct 2019–Mar 2021
18-Month		73.23"
(1,860.04mm)		61.95"
(1,573.53mm)		11.28"
(286.51mm)		118th Driest
Driest since:
1931
10th Wettest
Wettest since:
2004
Apr 2019–Mar 2021
24-Month		94.43"
(2,398.52mm)		85.02"
(2,159.51mm)		9.41"
(239.01mm)		105th Driest
Driest since:
1931
23rd Wettest
Wettest since:
2019
Apr 2018–Mar 2021
36-Month		160.08"
(4,066.03mm)		127.61"
(3,241.29mm)		32.47"
(824.74mm)		126th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2021
Apr 2017–Mar 2021
48-Month		203.21"
(5,161.53mm)		170.17"
(4,322.32mm)		33.04"
(839.21mm)		125th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2021
Apr 2016–Mar 2021
60-Month		244.05"
(6,198.87mm)		212.51"
(5,397.75mm)		31.54"
(801.12mm)		124th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2021

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