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 September 2019. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, July 1939

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1939
1-Month
3.89"
(98.81mm)
4.18"
(106.17mm)
-0.29"
(-7.36mm)
63rd Driest Driest since: 1934 1983
63rd Wettest Wettest since: 1938 1945
Jun–Jul 1939
2-Month
8.82"
(224.03mm)
8.03"
(203.96mm)
0.79"
(20.07mm)
80th Driest Driest since: 1936 1966
46th Wettest Wettest since: 1938 1945
May–Jul 1939
3-Month
9.93"
(252.22mm)
11.76"
(298.70mm)
-1.83"
(-46.48mm)
32nd Driest Driest since: 1936 1999
94th Wettest Wettest since: 1938 2018
Apr–Jul 1939
4-Month
14.84"
(376.94mm)
15.24"
(387.10mm)
-0.40"
(-10.16mm)
55th Driest Driest since: 1936 1986
71st Wettest Wettest since: 1938 2018
Mar–Jul 1939
5-Month
18.84"
(478.54mm)
19.02"
(483.11mm)
-0.18"
(-4.57mm)
58th Driest Driest since: 1936 1986
68th Wettest Wettest since: 1938 1989
Ties: 2011
Feb–Jul 1939
6-Month
24.10"
(612.14mm)
21.91"
(556.51mm)
2.19"
(55.63mm)
93rd Driest Driest since: 1938 1930
33rd Wettest Wettest since: 1933 1989
Jan–Jul 1939
7-Month
27.83"
(706.88mm)
25.27"
(641.86mm)
2.56"
(65.02mm)
93rd Driest Driest since: 1938 1930
33rd Wettest Wettest since: 1937 1989
Dec 1938–Jul 1939
8-Month
30.69"
(779.53mm)
28.55"
(725.17mm)
2.14"
(54.36mm)
87th Driest Driest since: 1938 1986
38th Wettest Wettest since: 1937 2003
Nov 1938–Jul 1939
9-Month
33.54"
(851.92mm)
31.54"
(801.12mm)
2.00"
(50.80mm)
85th Driest Driest since: 1938 1930
40th Wettest Wettest since: 1937 2003
Oct 1938–Jul 1939
10-Month
35.66"
(905.76mm)
34.67"
(880.62mm)
0.99"
(25.14mm)
73rd Driest Driest since: 1935 2002
52nd Wettest Wettest since: 1938 2003
Sep 1938–Jul 1939
11-Month
41.65"
(1,057.91mm)
38.22"
(970.79mm)
3.43"
(87.12mm)
90th Driest Driest since: 1938 2002
35th Wettest Wettest since: 1937 2019
Aug 1938–Jul 1939
12-Month
44.17"
(1,121.92mm)
42.59"
(1,081.79mm)
1.58"
(40.13mm)
70th Driest Driest since: 1934 2002
55th Wettest Wettest since: 1938 1972
Feb 1938–Jul 1939
18-Month
67.44"
(1,712.98mm)
64.45"
(1,637.03mm)
2.99"
(75.95mm)
77th Driest Driest since: 1932 1931
48th Wettest Wettest since: 1938 2019
Aug 1937–Jul 1939
24-Month
91.00"
(2,311.40mm)
85.06"
(2,160.52mm)
5.94"
(150.88mm)
92nd Driest Driest since: 1932 1931
32nd Wettest Wettest since: 1938 2004
Aug 1936–Jul 1939
36-Month
139.58"
(3,545.33mm)
127.68"
(3,243.07mm)
11.90"
(302.26mm)
106th Driest Driest since: 1934 1967
17th Wettest Wettest since: 1938 2005
Aug 1935–Jul 1939
48-Month
188.60"
(4,790.44mm)
170.17"
(4,322.32mm)
18.43"
(468.12mm)
114th Driest Driest since: 1935 1966
8th Wettest Wettest since: 1938 2006
Aug 1934–Jul 1939
60-Month
237.09"
(6,022.09mm)
212.59"
(5,399.79mm)
24.50"
(622.30mm)
116th Driest Driest since: 1938 1966
5th Wettest Wettest since: 1937 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/