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 December 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
(1895-2020)
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
124th 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
123rd 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
111th 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
99th Wettest Wettest since: 2018 2018
May–Sep 2019
5-Month
18.16"
(461.26mm)
19.71"
(500.63mm)
-1.55"
(-39.37mm)
47th Driest Driest since: 2007 1930
80th Wettest Wettest since: 2018 2018
Apr–Sep 2019
6-Month
21.20"
(538.48mm)
23.19"
(589.03mm)
-1.99"
(-50.55mm)
40th Driest Driest since: 2010 1930
87th Wettest Wettest since: 2018 2018
Mar–Sep 2019
7-Month
25.27"
(641.86mm)
26.97"
(685.04mm)
-1.70"
(-43.18mm)
47th Driest Driest since: 2012 1930
80th Wettest Wettest since: 2018 2018
Feb–Sep 2019
8-Month
28.88"
(733.55mm)
29.86"
(758.44mm)
-0.98"
(-24.89mm)
52nd Driest Driest since: 2012 1930
75th Wettest Wettest since: 2018 2018
Ties: 1981
Jan–Sep 2019
9-Month
32.14"
(816.36mm)
33.21"
(843.53mm)
-1.07"
(-27.17mm)
52nd Driest Driest since: 2012 1930
75th Wettest Wettest since: 2018 2018
Dec 2018–Sep 2019
10-Month
37.11"
(942.59mm)
36.49"
(926.85mm)
0.62"
(15.74mm)
70th Driest Driest since: 2013 1930
56th Wettest Wettest since: 2018 2003
Nov 2018–Sep 2019
11-Month
44.06"
(1,119.12mm)
39.48"
(1,002.79mm)
4.58"
(116.33mm)
98th Driest Driest since: 2017 1930
28th Wettest Wettest since: 2018 2003
Oct 2018–Sep 2019
12-Month
48.10"
(1,221.74mm)
42.62"
(1,082.55mm)
5.48"
(139.19mm)
97th Driest Driest since: 2017 1930
29th Wettest Wettest since: 2018 2003
Apr 2018–Sep 2019
18-Month
86.85"
(2,205.99mm)
65.72"
(1,669.29mm)
21.13"
(536.70mm)
125th Driest Driest since: 2018 1966
1st Wettest Wettest to Date 2019
Oct 2017–Sep 2019
24-Month
103.46"
(2,627.88mm)
85.14"
(2,162.56mm)
18.32"
(465.32mm)
122nd Driest Driest since: 2018 1930
3rd Wettest Wettest since: 2004 2004
Oct 2016–Sep 2019
36-Month
144.40"
(3,667.76mm)
127.72"
(3,244.09mm)
16.68"
(423.67mm)
116th Driest Driest since: 2018 1931
8th Wettest Wettest since: 2005 2005
Oct 2015–Sep 2019
48-Month
190.53"
(4,839.46mm)
170.22"
(4,323.59mm)
20.31"
(515.87mm)
116th Driest Driest since: 2018 1932
7th Wettest Wettest since: 2006 2006
Oct 2014–Sep 2019
60-Month
236.49"
(6,006.85mm)
212.69"
(5,402.33mm)
23.80"
(604.52mm)
117th Driest Driest since: 2018 1966
5th Wettest Wettest since: 2007 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 27, 2021 from https://www.ncdc.noaa.gov/cag/