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 February 2020. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, September 2019

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 2019
1-Month
0.71"
(18.03mm)
3.56"
(90.42mm)
-2.85"
(-72.39mm)
3rd Driest Driest since: 2005 1941
123rd Wettest Wettest since: 2018 1999
Aug–Sep 2019
2-Month
3.83"
(97.28mm)
7.95"
(201.93mm)
-4.12"
(-104.65mm)
4th Driest Driest since: 2005 1930
122nd Wettest Wettest since: 2018 2011
Jul–Sep 2019
3-Month
8.74"
(222.00mm)
12.13"
(308.10mm)
-3.39"
(-86.10mm)
16th Driest Driest since: 2007 1930
110th Wettest Wettest since: 2018 2018
Jun–Sep 2019
4-Month
12.97"
(329.44mm)
15.98"
(405.89mm)
-3.01"
(-76.45mm)
28th Driest Driest since: 2007 1930
98th Wettest Wettest since: 2018 2018
May–Sep 2019
5-Month
18.12"
(460.25mm)
19.71"
(500.63mm)
-1.59"
(-40.38mm)
46th Driest Driest since: 2007 1930
80th Wettest Wettest since: 2018 2018
Ties: 1988
Apr–Sep 2019
6-Month
21.16"
(537.46mm)
23.19"
(589.03mm)
-2.03"
(-51.57mm)
40th Driest Driest since: 2010 1930
86th Wettest Wettest since: 2018 2018
Mar–Sep 2019
7-Month
25.23"
(640.84mm)
26.97"
(685.04mm)
-1.74"
(-44.20mm)
47th Driest Driest since: 2012 1930
79th Wettest Wettest since: 2018 2018
Feb–Sep 2019
8-Month
28.84"
(732.54mm)
29.86"
(758.44mm)
-1.02"
(-25.90mm)
51st Driest Driest since: 2012 1930
75th Wettest Wettest since: 2018 2018
Jan–Sep 2019
9-Month
32.10"
(815.34mm)
33.21"
(843.53mm)
-1.11"
(-28.19mm)
51st Driest Driest since: 2012 1930
75th Wettest Wettest since: 2018 2018
Dec 2018–Sep 2019
10-Month
37.07"
(941.58mm)
36.49"
(926.85mm)
0.58"
(14.73mm)
70th Driest Driest since: 2013 1930
55th Wettest Wettest since: 2018 2003
Nov 2018–Sep 2019
11-Month
44.02"
(1,118.11mm)
39.48"
(1,002.79mm)
4.54"
(115.32mm)
96th Driest Driest since: 2017 1930
29th Wettest Wettest since: 2018 2003
Oct 2018–Sep 2019
12-Month
48.06"
(1,220.72mm)
42.62"
(1,082.55mm)
5.44"
(138.17mm)
97th Driest Driest since: 2017 1930
28th Wettest Wettest since: 2018 2003
Apr 2018–Sep 2019
18-Month
86.81"
(2,204.97mm)
65.72"
(1,669.29mm)
21.09"
(535.68mm)
124th Driest Driest since: 2018 1966
1st Wettest Wettest to Date 2019
Oct 2017–Sep 2019
24-Month
103.42"
(2,626.87mm)
85.14"
(2,162.56mm)
18.28"
(464.31mm)
121st Driest Driest since: 2018 1930
3rd Wettest Wettest since: 2004 2004
Oct 2016–Sep 2019
36-Month
144.36"
(3,666.74mm)
127.72"
(3,244.09mm)
16.64"
(422.65mm)
116th Driest Driest since: 2018 1931
7th Wettest Wettest since: 2005 2005
Oct 2015–Sep 2019
48-Month
190.49"
(4,838.45mm)
170.22"
(4,323.59mm)
20.27"
(514.86mm)
116th Driest Driest since: 2018 1932
6th Wettest Wettest since: 2006 2006
Oct 2014–Sep 2019
60-Month
236.45"
(6,005.83mm)
212.69"
(5,402.33mm)
23.76"
(603.50mm)
117th Driest Driest since: 2018 1966
4th Wettest Wettest since: 2007 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on March 29, 2020 from https://www.ncdc.noaa.gov/cag/