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, May 1947

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
May 1947
1-Month
4.97"
(126.24mm)
3.73"
(94.74mm)
1.24"
(31.50mm)
97th Driest Driest since: 1945 1964
29th Wettest Wettest since: 1946 2018
Apr–May 1947
2-Month
7.85"
(199.39mm)
7.21"
(183.13mm)
0.64"
(16.26mm)
79th Driest Driest since: 1945 1963
47th Wettest Wettest since: 1946 1983
Mar–May 1947
3-Month
9.58"
(243.33mm)
10.99"
(279.15mm)
-1.41"
(-35.82mm)
35th Driest Driest since: 1945 1986
91st Wettest Wettest since: 1946 1983
Feb–May 1947
4-Month
11.13"
(282.70mm)
13.88"
(352.55mm)
-2.75"
(-69.85mm)
20th Driest Driest since: 1941 2006
106th Wettest Wettest since: 1946 1983
Jan–May 1947
5-Month
15.29"
(388.37mm)
17.23"
(437.64mm)
-1.94"
(-49.27mm)
37th Driest Driest since: 1946 1969
89th Wettest Wettest since: 1945 1998
Dec 1946–May 1947
6-Month
17.55"
(445.77mm)
20.52"
(521.21mm)
-2.97"
(-75.44mm)
30th Driest Driest since: 1941 1986
95th Wettest Wettest since: 1946 1984
Nov 1946–May 1947
7-Month
19.05"
(483.87mm)
23.51"
(597.15mm)
-4.46"
(-113.28mm)
19th Driest Driest since: 1938 1977
106th Wettest Wettest since: 1946 1998
Oct 1946–May 1947
8-Month
21.78"
(553.21mm)
26.64"
(676.66mm)
-4.86"
(-123.45mm)
14th Driest Driest since: 1931 1925
111th Wettest Wettest since: 1946 1984
Sep 1946–May 1947
9-Month
25.22"
(640.59mm)
30.19"
(766.83mm)
-4.97"
(-126.24mm)
20th Driest Driest since: 1942 2002
105th Wettest Wettest since: 1946 2019
Aug 1946–May 1947
10-Month
29.67"
(753.62mm)
34.56"
(877.82mm)
-4.89"
(-124.20mm)
23rd Driest Driest since: 1942 1931
102nd Wettest Wettest since: 1946 2019
Ties: 1917
Jul 1946–May 1947
11-Month
33.40"
(848.36mm)
38.72"
(983.49mm)
-5.32"
(-135.13mm)
19th Driest Driest since: 1942 1931
106th Wettest Wettest since: 1946 2019
Ties: 1915
Jun 1946–May 1947
12-Month
37.68"
(957.07mm)
42.56"
(1,081.02mm)
-4.88"
(-123.95mm)
27th Driest Driest since: 1944 1931
98th Wettest Wettest since: 1946 2019
Dec 1945–May 1947
18-Month
58.19"
(1,478.03mm)
63.04"
(1,601.22mm)
-4.85"
(-123.19mm)
30th Driest Driest since: 1944 1931
94th Wettest Wettest since: 1946 2019
Jun 1945–May 1947
24-Month
88.22"
(2,240.79mm)
85.05"
(2,160.27mm)
3.17"
(80.52mm)
76th Driest Driest since: 1945 1931
48th Wettest Wettest since: 1946 2019
Jun 1944–May 1947
36-Month
128.98"
(3,276.09mm)
127.65"
(3,242.31mm)
1.33"
(33.78mm)
60th Driest Driest since: 1946 1967
63rd Wettest Wettest since: 1940 2005
Jun 1943–May 1947
48-Month
165.46"
(4,202.68mm)
170.18"
(4,322.57mm)
-4.72"
(-119.89mm)
37th Driest Driest since: 1945 1966
85th Wettest Wettest since: 1946 2019
Jun 1942–May 1947
60-Month
214.14"
(5,439.16mm)
212.57"
(5,399.28mm)
1.57"
(39.88mm)
59th Driest Driest since: 1946 1969
62nd Wettest Wettest since: 1941 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 24, 2019 from https://www.ncdc.noaa.gov/cag/