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 January 1895. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, August 2018

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
August 2018
1-Month
4.89"
(124.21mm)
4.38"
(111.25mm)
0.51"
(12.96mm)
88ᵗʰ Driest Driest since: 2016 1930
37ᵗʰ Wettest Wettest since: 2017 1955
Jul–Aug 2018
2-Month
13.62"
(345.95mm)
8.57"
(217.68mm)
5.05"
(128.27mm)
121ˢᵗ Driest Driest since: 2017 1930
4ᵗʰ Wettest Wettest since: 1955 1933
Jun–Aug 2018
3-Month
18.66"
(473.96mm)
12.41"
(315.21mm)
6.25"
(158.75mm)
121ˢᵗ Driest Driest since: 2017 1966
4ᵗʰ Wettest Wettest since: 1955 1955
Ties: 1928
May–Aug 2018
4-Month
26.29"
(667.77mm)
16.14"
(409.96mm)
10.15"
(257.81mm)
124ᵗʰ Driest Driest since: 2017 1930
1ˢᵗ Wettest Wettest to Date 2018
Apr–Aug 2018
5-Month
30.04"
(763.02mm)
19.62"
(498.35mm)
10.42"
(264.67mm)
124ᵗʰ Driest Driest since: 2017 1930
1ˢᵗ Wettest Wettest to Date 2018
Mar–Aug 2018
6-Month
32.78"
(832.61mm)
23.40"
(594.36mm)
9.38"
(238.25mm)
123ʳᵈ Driest Driest since: 2017 1930
2ⁿᵈ Wettest Wettest since: 1933 1933
Feb–Aug 2018
7-Month
37.51"
(952.75mm)
26.29"
(667.77mm)
11.22"
(284.98mm)
124ᵗʰ Driest Driest since: 2017 1930
1ˢᵗ Wettest Wettest to Date 2018
Jan–Aug 2018
8-Month
39.91"
(1,013.71mm)
29.65"
(753.11mm)
10.26"
(260.60mm)
124ᵗʰ Driest Driest since: 2017 1930
1ˢᵗ Wettest Wettest to Date 2018
Dec 2017–Aug 2018
9-Month
40.86"
(1,037.84mm)
32.93"
(836.42mm)
7.93"
(201.42mm)
115ᵗʰ Driest Driest since: 2017 1930
9ᵗʰ Wettest Wettest since: 2003 1958
Nov 2017–Aug 2018
10-Month
42.82"
(1,087.63mm)
35.92"
(912.37mm)
6.90"
(175.26mm)
108ᵗʰ Driest Driest since: 2017 1930
16ᵗʰ Wettest Wettest since: 2003 1958
Oct 2017–Aug 2018
11-Month
46.61"
(1,183.89mm)
39.05"
(991.87mm)
7.56"
(192.02mm)
109ᵗʰ Driest Driest since: 2017 1966
15ᵗʰ Wettest Wettest since: 2003 1933
Ties: 1948
Sep 2017–Aug 2018
12-Month
48.62"
(1,234.95mm)
42.60"
(1,082.04mm)
6.02"
(152.91mm)
104ᵗʰ Driest Driest since: 2017 1966
20ᵗʰ Wettest Wettest since: 2004 2003
Mar 2017–Aug 2018
18-Month
76.85"
(1,951.99mm)
65.92"
(1,674.37mm)
10.93"
(277.62mm)
115ᵗʰ Driest Driest since: 2017 1966
9ᵗʰ Wettest Wettest since: 2004 2004
Sep 2016–Aug 2018
24-Month
94.13"
(2,390.90mm)
85.07"
(2,160.78mm)
9.06"
(230.12mm)
103ʳᵈ Driest Driest since: 2017 1966
20ᵗʰ Wettest Wettest since: 2014 2004
Sep 2015–Aug 2018
36-Month
137.53"
(3,493.26mm)
127.65"
(3,242.31mm)
9.88"
(250.95mm)
101ˢᵗ Driest Driest since: 2017 1966
21ˢᵗ Wettest Wettest since: 2015 2005
Sep 2014–Aug 2018
48-Month
182.27"
(4,629.66mm)
170.14"
(4,321.56mm)
12.13"
(308.10mm)
102ⁿᵈ Driest Driest since: 2017 1966
19ᵗʰ Wettest Wettest since: 2016 2006
Sep 2013–Aug 2018
60-Month
228.79"
(5,811.27mm)
212.59"
(5,399.79mm)
16.20"
(411.48mm)
100ᵗʰ Driest Driest since: 2017 1966
20ᵗʰ Wettest Wettest since: 2015 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2018, retrieved on September 20, 2018 from https://www.ncdc.noaa.gov/cag/