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 2021. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, September 1939

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 1939
1-Month
3.13"
(79.50mm)
3.56"
(90.42mm)
-0.43"
(-10.92mm)
60th Driest Driest since: 1937 1941
67th Wettest Wettest since: 1938 1999
Aug–Sep 1939
2-Month
7.52"
(191.01mm)
7.95"
(201.93mm)
-0.43"
(-10.92mm)
63rd Driest Driest since: 1936 1930
64th Wettest Wettest since: 1938 2011
Jul–Sep 1939
3-Month
11.41"
(289.81mm)
12.13"
(308.10mm)
-0.72"
(-18.29mm)
58th Driest Driest since: 1936 1930
69th Wettest Wettest since: 1938 2018
Ties: 1974
Jun–Sep 1939
4-Month
16.34"
(415.04mm)
15.98"
(405.89mm)
0.36"
(9.15mm)
71st Driest Driest since: 1936 1930
56th Wettest Wettest since: 1938 2018
Ties: 1952
May–Sep 1939
5-Month
17.45"
(443.23mm)
19.71"
(500.63mm)
-2.26"
(-57.40mm)
40th Driest Driest since: 1936 1930
87th Wettest Wettest since: 1938 2018
Apr–Sep 1939
6-Month
22.36"
(567.94mm)
23.19"
(589.03mm)
-0.83"
(-21.09mm)
60th Driest Driest since: 1936 1930
67th Wettest Wettest since: 1938 2018
Mar–Sep 1939
7-Month
26.36"
(669.54mm)
26.97"
(685.04mm)
-0.61"
(-15.50mm)
60th Driest Driest since: 1936 1930
67th Wettest Wettest since: 1938 2018
Feb–Sep 1939
8-Month
31.62"
(803.15mm)
29.86"
(758.44mm)
1.76"
(44.71mm)
83rd Driest Driest since: 1936 1930
44th Wettest Wettest since: 1938 2018
Jan–Sep 1939
9-Month
35.35"
(897.89mm)
33.21"
(843.53mm)
2.14"
(54.36mm)
87th Driest Driest since: 1938 1930
40th Wettest Wettest since: 1937 2018
Dec 1938–Sep 1939
10-Month
38.21"
(970.53mm)
36.49"
(926.85mm)
1.72"
(43.68mm)
75th Driest Driest since: 1938 1930
51st Wettest Wettest since: 1937 2003
Nov 1938–Sep 1939
11-Month
41.06"
(1,042.92mm)
39.48"
(1,002.79mm)
1.58"
(40.13mm)
73rd Driest Driest since: 1938 1930
53rd Wettest Wettest since: 1937 2003
Oct 1938–Sep 1939
12-Month
43.18"
(1,096.77mm)
42.62"
(1,082.55mm)
0.56"
(14.22mm)
70th Driest Driest since: 1932 1930
56th Wettest Wettest since: 1938 2003
Apr 1938–Sep 1939
18-Month
69.48"
(1,764.79mm)
65.72"
(1,669.29mm)
3.76"
(95.50mm)
77th Driest Driest since: 1932 1966
49th Wettest Wettest since: 1938 2019
Oct 1937–Sep 1939
24-Month
89.61"
(2,276.09mm)
85.14"
(2,162.56mm)
4.47"
(113.53mm)
79th Driest Driest since: 1932 1930
46th Wettest Wettest since: 1938 2004
Oct 1936–Sep 1939
36-Month
140.22"
(3,561.59mm)
127.72"
(3,244.09mm)
12.50"
(317.50mm)
106th Driest Driest since: 1936 1931
18th Wettest Wettest since: 1938 2005
Oct 1935–Sep 1939
48-Month
184.50"
(4,686.30mm)
170.22"
(4,323.59mm)
14.28"
(362.71mm)
107th Driest Driest since: 1934 1932
16th Wettest Wettest since: 1938 2006
Oct 1934–Sep 1939
60-Month
230.53"
(5,855.46mm)
212.69"
(5,402.33mm)
17.84"
(453.13mm)
109th Driest Driest since: 1936 1966
13th Wettest Wettest since: 1938 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 26, 2021 from https://www.ncdc.noaa.gov/cag/