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, October 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
October 2018
1-Month
4.04"
(102.62mm)
3.11"
(78.99mm)
0.93"
(23.63mm)
88th Driest Driest since: 2017 1963
37th Wettest Wettest since: 2013 1976
Sep–Oct 2018
2-Month
13.18"
(334.77mm)
6.68"
(169.67mm)
6.50"
(165.10mm)
123rd Driest Driest since: 2017 1941
2nd Wettest Wettest since: 1999 1999
Aug–Oct 2018
3-Month
18.13"
(460.50mm)
11.06"
(280.92mm)
7.07"
(179.58mm)
120th Driest Driest since: 2017 1930
5th Wettest Wettest since: 2011 2011
Jul–Oct 2018
4-Month
26.33"
(668.78mm)
15.24"
(387.10mm)
11.09"
(281.68mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jun–Oct 2018
5-Month
31.43"
(798.32mm)
19.09"
(484.89mm)
12.34"
(313.43mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
May–Oct 2018
6-Month
39.04"
(991.62mm)
22.82"
(579.63mm)
16.22"
(411.99mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Apr–Oct 2018
7-Month
42.79"
(1,086.87mm)
26.30"
(668.02mm)
16.49"
(418.85mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Mar–Oct 2018
8-Month
45.57"
(1,157.48mm)
30.08"
(764.03mm)
15.49"
(393.45mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Feb–Oct 2018
9-Month
50.30"
(1,277.62mm)
32.97"
(837.44mm)
17.33"
(440.18mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jan–Oct 2018
10-Month
52.70"
(1,338.58mm)
36.33"
(922.78mm)
16.37"
(415.80mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Dec 2017–Oct 2018
11-Month
53.65"
(1,362.71mm)
39.61"
(1,006.09mm)
14.04"
(356.62mm)
121st Driest Driest since: 2017 1930
3rd Wettest Wettest since: 2003 1979
Nov 2017–Oct 2018
12-Month
55.61"
(1,412.49mm)
42.60"
(1,082.04mm)
13.01"
(330.45mm)
120th Driest Driest since: 2017 1930
4th Wettest Wettest since: 2003 2003
May 2017–Oct 2018
18-Month
82.70"
(2,100.58mm)
65.38"
(1,660.65mm)
17.32"
(439.93mm)
122nd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2004 2004
Nov 2016–Oct 2018
24-Month
98.12"
(2,492.25mm)
85.12"
(2,162.05mm)
13.00"
(330.20mm)
114th Driest Driest since: 2017 1931
9th Wettest Wettest since: 2004 2004
Nov 2015–Oct 2018
36-Month
142.76"
(3,626.10mm)
127.68"
(3,243.07mm)
15.08"
(383.03mm)
110th Driest Driest since: 2017 1931
12th Wettest Wettest since: 2011 2005
Nov 2014–Oct 2018
48-Month
189.05"
(4,801.87mm)
170.17"
(4,322.32mm)
18.88"
(479.55mm)
114th Driest Driest since: 2017 1966
7th Wettest Wettest since: 2006 2006
Nov 2013–Oct 2018
60-Month
235.00"
(5,969.00mm)
212.67"
(5,401.82mm)
22.33"
(567.18mm)
114th Driest Driest since: 2017 1966
6th Wettest Wettest since: 2007 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2019, retrieved on July 19, 2019 from https://www.ncdc.noaa.gov/cag/