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 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
May 1939
1-Month
1.11"
(28.19mm)
3.73"
(94.74mm)
-2.62"
(-66.55mm)
3rd Driest Driest since: 1911 1964
123rd Wettest Wettest since: 1938 2018
Apr–May 1939
2-Month
6.02"
(152.91mm)
7.21"
(183.13mm)
-1.19"
(-30.22mm)
36th Driest Driest since: 1936 1963
90th Wettest Wettest since: 1938 1983
Mar–May 1939
3-Month
10.02"
(254.51mm)
10.99"
(279.15mm)
-0.97"
(-24.64mm)
46th Driest Driest since: 1938 1986
80th Wettest Wettest since: 1937 1983
Feb–May 1939
4-Month
15.28"
(388.11mm)
13.88"
(352.55mm)
1.40"
(35.56mm)
91st Driest Driest since: 1938 2006
35th Wettest Wettest since: 1934 1983
Ties: 2011
Jan–May 1939
5-Month
19.01"
(482.85mm)
17.23"
(437.64mm)
1.78"
(45.21mm)
91st Driest Driest since: 1938 1969
35th Wettest Wettest since: 1937 1998
Dec 1938–May 1939
6-Month
21.87"
(555.50mm)
20.52"
(521.21mm)
1.35"
(34.29mm)
86th Driest Driest since: 1938 1986
39th Wettest Wettest since: 1937 1984
Nov 1938–May 1939
7-Month
24.72"
(627.89mm)
23.51"
(597.15mm)
1.21"
(30.74mm)
86th Driest Driest since: 1938 1977
39th Wettest Wettest since: 1937 1998
Ties: 1960
Oct 1938–May 1939
8-Month
26.84"
(681.74mm)
26.64"
(676.66mm)
0.20"
(5.08mm)
72nd Driest Driest since: 1938 1925
53rd Wettest Wettest since: 1937 1984
Sep 1938–May 1939
9-Month
32.83"
(833.88mm)
30.19"
(766.83mm)
2.64"
(67.05mm)
90th Driest Driest since: 1938 2002
35th Wettest Wettest since: 1937 2019
Aug 1938–May 1939
10-Month
35.35"
(897.89mm)
34.56"
(877.82mm)
0.79"
(20.07mm)
67th Driest Driest since: 1938 1931
58th Wettest Wettest since: 1937 2019
Jul 1938–May 1939
11-Month
42.85"
(1,088.39mm)
38.72"
(983.49mm)
4.13"
(104.90mm)
88th Driest Driest since: 1938 1931
37th Wettest Wettest since: 1937 2019
Jun 1938–May 1939
12-Month
47.04"
(1,194.82mm)
42.56"
(1,081.02mm)
4.48"
(113.80mm)
90th Driest Driest since: 1938 1931
35th Wettest Wettest since: 1936 2019
Dec 1937–May 1939
18-Month
62.33"
(1,583.18mm)
63.04"
(1,601.22mm)
-0.71"
(-18.04mm)
53rd Driest Driest since: 1932 1931
71st Wettest Wettest since: 1938 2019
Jun 1937–May 1939
24-Month
91.35"
(2,320.29mm)
85.05"
(2,160.27mm)
6.30"
(160.02mm)
94th Driest Driest since: 1938 1931
30th Wettest Wettest since: 1937 2019
Jun 1936–May 1939
36-Month
138.21"
(3,510.53mm)
127.65"
(3,242.31mm)
10.56"
(268.22mm)
103rd Driest Driest since: 1934 1967
20th Wettest Wettest since: 1938 2005
Jun 1935–May 1939
48-Month
188.74"
(4,794.00mm)
170.18"
(4,322.57mm)
18.56"
(471.43mm)
113th Driest Driest since: 1938 1966
9th Wettest Wettest since: 1937 2019
Jun 1934–May 1939
60-Month
234.69"
(5,961.13mm)
212.57"
(5,399.28mm)
22.12"
(561.85mm)
114th Driest Driest since: 1938 1969
7th 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 21, 2019 from https://www.ncdc.noaa.gov/cag/