Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of June 2019. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, May 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2018
1-Month
7.61"
(193.29mm)
3.73"
(94.74mm)
3.88"
(98.55mm)
125th Driest Driest since: 2017 1964
1st Wettest Wettest to Date 2018
Apr–May 2018
2-Month
11.36"
(288.54mm)
7.21"
(183.13mm)
4.15"
(105.41mm)
121st Driest Driest since: 2017 1963
5th Wettest Wettest since: 2008 1983
Mar–May 2018
3-Month
14.14"
(359.16mm)
10.99"
(279.15mm)
3.15"
(80.01mm)
111th Driest Driest since: 2017 1986
15th Wettest Wettest since: 2008 1983
Feb–May 2018
4-Month
18.87"
(479.30mm)
13.88"
(352.55mm)
4.99"
(126.75mm)
119th Driest Driest since: 2017 2006
7th Wettest Wettest since: 2003 1983
Jan–May 2018
5-Month
21.27"
(540.26mm)
17.23"
(437.64mm)
4.04"
(102.62mm)
111th Driest Driest since: 2017 1969
15th Wettest Wettest since: 2003 1998
Dec 2017–May 2018
6-Month
22.22"
(564.39mm)
20.52"
(521.21mm)
1.70"
(43.18mm)
89th Driest Driest since: 2017 1986
36th Wettest Wettest since: 2014 1984
Nov 2017–May 2018
7-Month
24.18"
(614.17mm)
23.51"
(597.15mm)
0.67"
(17.02mm)
81st Driest Driest since: 2017 1977
44th Wettest Wettest since: 2014 1998
Oct 2017–May 2018
8-Month
27.97"
(710.44mm)
26.64"
(676.66mm)
1.33"
(33.78mm)
85th Driest Driest since: 2017 1925
40th Wettest Wettest since: 2014 1984
Sep 2017–May 2018
9-Month
29.98"
(761.49mm)
30.19"
(766.83mm)
-0.21"
(-5.34mm)
61st Driest Driest since: 2015 2002
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)
74th Driest Driest since: 2017 1931
51st Wettest Wettest since: 2014 2019
Jul 2017–May 2018
11-Month
43.31"
(1,100.07mm)
38.72"
(983.49mm)
4.59"
(116.58mm)
94th Driest Driest since: 2017 1931
31st 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)
81st Driest Driest since: 2017 1931
44th 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)
81st Driest Driest since: 2017 1931
43rd 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
52nd 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
32nd Wettest Wettest since: 2016 2005
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
42nd Wettest Wettest since: 2017 2019
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
22nd Wettest Wettest since: 2016 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2019, retrieved on July 17, 2019 from https://www.ncdc.noaa.gov/cag/