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


Maryland

Precipitation Rankings, April 1940

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
April 1940
1-Month
5.98"
(151.89mm)
3.48"
(88.39mm)
2.50"
(63.50mm)
120th Driest Driest since: 1939 1985
6th Wettest Wettest since: 1937 1983
Mar–Apr 1940
2-Month
9.84"
(249.94mm)
7.26"
(184.40mm)
2.58"
(65.54mm)
116th Driest Driest since: 1939 1915
10th Wettest Wettest since: 1924 1983
Feb–Apr 1940
3-Month
12.83"
(325.88mm)
10.15"
(257.81mm)
2.68"
(68.07mm)
109th Driest Driest since: 1938 2006
17th Wettest Wettest since: 1939 1983
Jan–Apr 1940
4-Month
15.27"
(387.86mm)
13.51"
(343.15mm)
1.76"
(44.71mm)
96th Driest Driest since: 1938 1985
30th Wettest Wettest since: 1939 1998
Dec 1939–Apr 1940
5-Month
17.23"
(437.64mm)
16.79"
(426.47mm)
0.44"
(11.17mm)
72nd Driest Driest since: 1938 1985
53rd Wettest Wettest since: 1939 1937
Nov 1939–Apr 1940
6-Month
18.67"
(474.22mm)
19.78"
(502.41mm)
-1.11"
(-28.19mm)
57th Driest Driest since: 1938 1977
68th Wettest Wettest since: 1939 1998
Oct 1939–Apr 1940
7-Month
23.62"
(599.95mm)
22.91"
(581.91mm)
0.71"
(18.04mm)
79th Driest Driest since: 1938 2002
46th Wettest Wettest since: 1939 1984
Sep 1939–Apr 1940
8-Month
26.75"
(679.45mm)
26.46"
(672.08mm)
0.29"
(7.37mm)
71st Driest Driest since: 1938 1931
54th Wettest Wettest since: 1939 2019
Aug 1939–Apr 1940
9-Month
31.14"
(790.96mm)
30.83"
(783.08mm)
0.31"
(7.88mm)
70th Driest Driest since: 1938 1931
55th Wettest Wettest since: 1939 2019
Jul 1939–Apr 1940
10-Month
35.03"
(889.76mm)
34.99"
(888.75mm)
0.04"
(1.01mm)
64th Driest Driest since: 1938 1931
61st Wettest Wettest since: 1939 2019
Jun 1939–Apr 1940
11-Month
39.96"
(1,014.98mm)
38.83"
(986.28mm)
1.13"
(28.70mm)
70th Driest Driest since: 1932 1931
55th Wettest Wettest since: 1939 2019
May 1939–Apr 1940
12-Month
41.07"
(1,043.18mm)
42.55"
(1,080.77mm)
-1.48"
(-37.59mm)
45th Driest Driest since: 1931 1931
80th Wettest Wettest since: 1939 2019
Nov 1938–Apr 1940
18-Month
64.68"
(1,642.87mm)
62.30"
(1,582.42mm)
2.38"
(60.45mm)
79th Driest Driest since: 1935 1931
45th Wettest Wettest since: 1939 2004
May 1938–Apr 1940
24-Month
91.28"
(2,318.51mm)
85.06"
(2,160.52mm)
6.22"
(157.99mm)
94th Driest Driest since: 1938 1931
30th Wettest Wettest since: 1939 2019
May 1937–Apr 1940
36-Month
134.80"
(3,423.92mm)
127.66"
(3,242.56mm)
7.14"
(181.36mm)
87th Driest Driest since: 1933 1967
36th Wettest Wettest since: 1939 2005
May 1936–Apr 1940
48-Month
180.11"
(4,574.79mm)
170.21"
(4,323.33mm)
9.90"
(251.46mm)
94th Driest Driest since: 1934 1968
28th Wettest Wettest since: 1939 2019
May 1935–Apr 1940
60-Month
232.24"
(5,898.90mm)
212.58"
(5,399.53mm)
19.66"
(499.37mm)
106th Driest Driest since: 1935 1967
15th Wettest Wettest since: 1939 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 15, 2019 from https://www.ncdc.noaa.gov/cag/