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 2021. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, May 2017

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2017
1-Month
5.85"
(148.59mm)
3.73"
(94.74mm)
2.12"
(53.85mm)
114th Driest Driest since: 2015 1964
14th Wettest Wettest since: 2016 2018
Apr–May 2017
2-Month
9.07"
(230.38mm)
7.21"
(183.13mm)
1.86"
(47.25mm)
103rd Driest Driest since: 2016 1963
25th Wettest Wettest since: 2014 1983
Mar–May 2017
3-Month
12.80"
(325.12mm)
10.99"
(279.15mm)
1.81"
(45.97mm)
97th Driest Driest since: 2016 1986
31st Wettest Wettest since: 2014 1983
Ties: 1929
Feb–May 2017
4-Month
13.92"
(353.57mm)
13.88"
(352.55mm)
0.04"
(1.02mm)
72nd Driest Driest since: 2016 2006
56th Wettest Wettest since: 2014 1983
Ties: 1916, 1981
Jan–May 2017
5-Month
17.06"
(433.32mm)
17.23"
(437.64mm)
-0.17"
(-4.32mm)
73rd Driest Driest since: 2016 1969
55th Wettest Wettest since: 2014 1998
Dec 2016–May 2017
6-Month
20.27"
(514.86mm)
20.52"
(521.21mm)
-0.25"
(-6.35mm)
64th Driest Driest since: 2015 1986
63rd Wettest Wettest since: 2016 1984
Nov 2016–May 2017
7-Month
21.27"
(540.26mm)
23.51"
(597.15mm)
-2.24"
(-56.89mm)
41st Driest Driest since: 2013 1977
86th Wettest Wettest since: 2016 1998
Ties: 2001
Oct 2016–May 2017
8-Month
23.49"
(596.65mm)
26.64"
(676.66mm)
-3.15"
(-80.01mm)
32nd Driest Driest since: 2012 1925
95th Wettest Wettest since: 2016 1984
Sep 2016–May 2017
9-Month
30.08"
(764.03mm)
30.19"
(766.83mm)
-0.11"
(-2.80mm)
65th Driest Driest since: 2015 2002
62nd Wettest Wettest since: 2016 2019
Aug 2016–May 2017
10-Month
32.86"
(834.64mm)
34.56"
(877.82mm)
-1.70"
(-43.18mm)
49th Driest Driest since: 2015 1931
78th Wettest Wettest since: 2016 2019
Jul 2016–May 2017
11-Month
37.68"
(957.07mm)
38.72"
(983.49mm)
-1.04"
(-26.42mm)
51st Driest Driest since: 2015 1931
76th Wettest Wettest since: 2016 2019
Jun 2016–May 2017
12-Month
41.85"
(1,062.99mm)
42.56"
(1,081.02mm)
-0.71"
(-18.03mm)
57th Driest Driest since: 2015 1931
70th Wettest Wettest since: 2016 2019
Dec 2015–May 2017
18-Month
63.29"
(1,607.57mm)
63.04"
(1,601.22mm)
0.25"
(6.35mm)
63rd Driest Driest since: 2013 1931
63rd Wettest Wettest since: 2016 2019
Jun 2015–May 2017
24-Month
89.41"
(2,271.01mm)
85.05"
(2,160.27mm)
4.36"
(110.74mm)
82nd Driest Driest since: 2016 1931
44th Wettest Wettest since: 2015 2019
Jun 2014–May 2017
36-Month
129.66"
(3,293.36mm)
127.65"
(3,242.31mm)
2.01"
(51.05mm)
63rd Driest Driest since: 2008 1967
62nd Wettest Wettest since: 2016 2021
Jun 2013–May 2017
48-Month
181.19"
(4,602.23mm)
170.18"
(4,322.57mm)
11.01"
(279.66mm)
94th Driest Driest since: 2015 1966
30th Wettest Wettest since: 2016 2021
Jun 2012–May 2017
60-Month
224.08"
(5,691.63mm)
212.57"
(5,399.28mm)
11.51"
(292.35mm)
92nd Driest Driest since: 2015 1969
31st Wettest Wettest since: 2016 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 17, 2021 from https://www.ncdc.noaa.gov/cag/