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 August 2020. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, May 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1981
1-Month
4.56"
(115.82mm)
3.73"
(94.74mm)
0.83"
(21.08mm)
89th Driest Driest since: 1980 1964
38th Wettest Wettest since: 1978 2018
Apr–May 1981
2-Month
8.35"
(212.09mm)
7.21"
(183.13mm)
1.14"
(28.96mm)
92nd Driest Driest since: 1980 1963
35th Wettest Wettest since: 1973 1983
Ties: 1910
Mar–May 1981
3-Month
9.94"
(252.48mm)
10.99"
(279.15mm)
-1.05"
(-26.67mm)
43rd Driest Driest since: 1977 1986
84th Wettest Wettest since: 1980 1983
Feb–May 1981
4-Month
13.92"
(353.57mm)
13.88"
(352.55mm)
0.04"
(1.02mm)
71st Driest Driest since: 1978 2006
56th Wettest Wettest since: 1980 1983
Ties: 1916, 2017
Jan–May 1981
5-Month
14.42"
(366.27mm)
17.23"
(437.64mm)
-2.81"
(-71.37mm)
24th Driest Driest since: 1977 1969
103rd Wettest Wettest since: 1980 1998
Dec 1980–May 1981
6-Month
15.25"
(387.35mm)
20.52"
(521.21mm)
-5.27"
(-133.86mm)
10th Driest Driest since: 1977 1986
116th Wettest Wettest since: 1980 1984
Nov 1980–May 1981
7-Month
18.31"
(465.07mm)
23.51"
(597.15mm)
-5.20"
(-132.08mm)
13th Driest Driest since: 1977 1977
113th Wettest Wettest since: 1980 1998
Oct 1980–May 1981
8-Month
22.22"
(564.39mm)
26.64"
(676.66mm)
-4.42"
(-112.27mm)
19th Driest Driest since: 1969 1925
107th Wettest Wettest since: 1980 1984
Sep 1980–May 1981
9-Month
24.43"
(620.52mm)
30.19"
(766.83mm)
-5.76"
(-146.31mm)
13th Driest Driest since: 1969 2002
113th Wettest Wettest since: 1980 2019
Aug 1980–May 1981
10-Month
27.24"
(691.90mm)
34.56"
(877.82mm)
-7.32"
(-185.92mm)
8th Driest Driest since: 1969 1931
118th Wettest Wettest since: 1980 2019
Jul 1980–May 1981
11-Month
31.08"
(789.43mm)
38.72"
(983.49mm)
-7.64"
(-194.06mm)
10th Driest Driest since: 1969 1931
116th Wettest Wettest since: 1980 2019
Jun 1980–May 1981
12-Month
34.10"
(866.14mm)
42.56"
(1,081.02mm)
-8.46"
(-214.88mm)
7th Driest Driest since: 1969 1931
119th Wettest Wettest since: 1980 2019
Dec 1979–May 1981
18-Month
52.62"
(1,336.55mm)
63.04"
(1,601.22mm)
-10.42"
(-264.67mm)
7th Driest Driest since: 1967 1931
118th Wettest Wettest since: 1980 2019
Jun 1979–May 1981
24-Month
84.71"
(2,151.63mm)
85.05"
(2,160.27mm)
-0.34"
(-8.64mm)
53rd Driest Driest since: 1970 1931
72nd Wettest Wettest since: 1980 2019
Jun 1978–May 1981
36-Month
131.81"
(3,347.97mm)
127.65"
(3,242.31mm)
4.16"
(105.66mm)
75th Driest Driest since: 1977 1967
49th Wettest Wettest since: 1980 2005
Jun 1977–May 1981
48-Month
180.93"
(4,595.62mm)
170.18"
(4,322.57mm)
10.75"
(273.05mm)
93rd Driest Driest since: 1978 1966
30th Wettest Wettest since: 1980 2019
Jun 1976–May 1981
60-Month
218.53"
(5,550.66mm)
212.57"
(5,399.28mm)
5.96"
(151.38mm)
74th Driest Driest since: 1972 1969
48th Wettest Wettest since: 1980 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 19, 2020 from https://www.ncdc.noaa.gov/cag/