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, August 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
August 2018
1-Month
4.95"
(125.73mm)
4.38"
(111.25mm)
0.57"
(14.48mm)
88th Driest Driest since: 2016 1930
37th Wettest Wettest since: 2017 1955
Jul–Aug 2018
2-Month
13.15"
(334.01mm)
8.57"
(217.68mm)
4.58"
(116.33mm)
117th Driest Driest since: 2016 1930
8th Wettest Wettest since: 2017 1933
Jun–Aug 2018
3-Month
18.25"
(463.55mm)
12.41"
(315.21mm)
5.84"
(148.34mm)
119th Driest Driest since: 2017 1966
6th Wettest Wettest since: 1955 1955
May–Aug 2018
4-Month
25.86"
(656.84mm)
16.14"
(409.96mm)
9.72"
(246.88mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Apr–Aug 2018
5-Month
29.61"
(752.09mm)
19.62"
(498.35mm)
9.99"
(253.74mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Mar–Aug 2018
6-Month
32.39"
(822.71mm)
23.40"
(594.36mm)
8.99"
(228.35mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 1933 1933
Feb–Aug 2018
7-Month
37.12"
(942.85mm)
26.29"
(667.77mm)
10.83"
(275.08mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jan–Aug 2018
8-Month
39.52"
(1,003.81mm)
29.65"
(753.11mm)
9.87"
(250.70mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Dec 2017–Aug 2018
9-Month
40.47"
(1,027.94mm)
32.93"
(836.42mm)
7.54"
(191.52mm)
113th Driest Driest since: 2017 1930
11th Wettest Wettest since: 2003 1958
Nov 2017–Aug 2018
10-Month
42.43"
(1,077.72mm)
35.92"
(912.37mm)
6.51"
(165.35mm)
107th Driest Driest since: 2017 1930
17th Wettest Wettest since: 2003 1958
Oct 2017–Aug 2018
11-Month
46.22"
(1,173.99mm)
39.05"
(991.87mm)
7.17"
(182.12mm)
107th Driest Driest since: 2017 1966
17th Wettest Wettest since: 2003 1933
Sep 2017–Aug 2018
12-Month
48.23"
(1,225.04mm)
42.60"
(1,082.04mm)
5.63"
(143.00mm)
100th Driest Driest since: 2017 1966
24th Wettest Wettest since: 2004 2003
Mar 2017–Aug 2018
18-Month
76.47"
(1,942.34mm)
65.92"
(1,674.37mm)
10.55"
(267.97mm)
115th Driest Driest since: 2017 1966
9th Wettest Wettest since: 2004 2004
Sep 2016–Aug 2018
24-Month
93.75"
(2,381.25mm)
85.07"
(2,160.78mm)
8.68"
(220.47mm)
100th Driest Driest since: 2017 1966
23rd Wettest Wettest since: 2014 2004
Sep 2015–Aug 2018
36-Month
137.15"
(3,483.61mm)
127.65"
(3,242.31mm)
9.50"
(241.30mm)
99th Driest Driest since: 2017 1966
23rd Wettest Wettest since: 2015 2005
Sep 2014–Aug 2018
48-Month
181.89"
(4,620.01mm)
170.14"
(4,321.56mm)
11.75"
(298.45mm)
98th Driest Driest since: 2017 1966
23rd Wettest Wettest since: 2016 2006
Ties: 1906
Sep 2013–Aug 2018
60-Month
228.41"
(5,801.61mm)
212.59"
(5,399.79mm)
15.82"
(401.82mm)
99th Driest Driest since: 2017 1966
21st Wettest Wettest since: 2015 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2019, retrieved on July 24, 2019 from https://www.ncdc.noaa.gov/cag/