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


Maryland

Precipitation Rankings, May 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1901
1-Month
4.15"
(105.41mm)
3.73"
(94.74mm)
0.42"
(10.67mm)
74th Driest Driest since: 1900 1964
53rd Wettest Wettest since: 1898 2018
Apr–May 1901
2-Month
9.75"
(247.65mm)
7.21"
(183.13mm)
2.54"
(64.52mm)
112th Driest Driest since: 1900 1963
15th Wettest Wettest to Date 1983
Ties: 1953
Mar–May 1901
3-Month
13.26"
(336.80mm)
10.99"
(279.15mm)
2.27"
(57.65mm)
104th Driest Driest since: 1900 1986
23rd Wettest Wettest to Date 1983
Feb–May 1901
4-Month
13.96"
(354.58mm)
13.88"
(352.55mm)
0.08"
(2.03mm)
74th Driest Driest since: 1900 2006
53rd Wettest Wettest since: 1899 1983
Ties: 1920, 2020
Jan–May 1901
5-Month
16.72"
(424.69mm)
17.23"
(437.64mm)
-0.51"
(-12.95mm)
63rd Driest Driest since: 1900 1969
64th Wettest Wettest since: 1899 1998
Dec 1900–May 1901
6-Month
19.15"
(486.41mm)
20.52"
(521.21mm)
-1.37"
(-34.80mm)
42nd Driest Driest since: 1900 1986
84th Wettest Wettest since: 1899 1984
Nov 1900–May 1901
7-Month
22.13"
(562.10mm)
23.51"
(597.15mm)
-1.38"
(-35.05mm)
54th Driest Driest since: 1900 1977
72nd Wettest Wettest since: 1899 1998
Oct 1900–May 1901
8-Month
24.41"
(620.01mm)
26.64"
(676.66mm)
-2.23"
(-56.65mm)
46th Driest Driest since: 1900 1925
80th Wettest Wettest since: 1899 1984
Sep 1900–May 1901
9-Month
28.43"
(722.12mm)
30.19"
(766.83mm)
-1.76"
(-44.71mm)
49th Driest Driest since: 1900 2002
77th Wettest Wettest since: 1899 2019
Ties: 1929
Aug 1900–May 1901
10-Month
31.53"
(800.86mm)
34.56"
(877.82mm)
-3.03"
(-76.96mm)
41st Driest Driest since: 1900 1931
85th Wettest Wettest since: 1899 2019
Jul 1900–May 1901
11-Month
34.85"
(885.19mm)
38.72"
(983.49mm)
-3.87"
(-98.30mm)
31st Driest Driest since: 1900 1931
95th Wettest Wettest since: 1899 2019
Jun 1900–May 1901
12-Month
39.72"
(1,008.89mm)
42.56"
(1,081.02mm)
-2.84"
(-72.13mm)
39th Driest Driest since: 1900 1931
87th Wettest Wettest since: 1899 2019
Ties: 1959
Dec 1899–May 1901
18-Month
56.41"
(1,432.81mm)
63.04"
(1,601.22mm)
-6.63"
(-168.41mm)
21st Driest Driest to Date 1931
104th Wettest Wettest since: 1900 2019
Jun 1899–May 1901
24-Month
77.65"
(1,972.31mm)
85.05"
(2,160.27mm)
-7.40"
(-187.96mm)
23rd Driest Driest since: 1897 1931
102nd Wettest Wettest since: 1900 2019
Jun 1898–May 1901
36-Month
121.96"
(3,097.78mm)
127.65"
(3,242.31mm)
-5.69"
(-144.53mm)
32nd Driest Driest since: 1898 1967
92nd Wettest Wettest since: 1900 2005
Jun 1897–May 1901
48-Month
164.69"
(4,183.13mm)
170.18"
(4,322.57mm)
-5.49"
(-139.44mm)
34th Driest Driest since: 1900 1966
89th Wettest Wettest to Date 2019
Jun 1896–May 1901
60-Month
203.67"
(5,173.22mm)
212.57"
(5,399.28mm)
-8.90"
(-226.06mm)
24th Driest Driest since: 1900 1969
98th Wettest Wettest to Date 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 13, 2020 from https://www.ncdc.noaa.gov/cag/