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 October 2019. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, December 2017

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2017
1-Month
0.95"
(24.13mm)
3.29"
(83.57mm)
-2.34"
(-59.44mm)
5th Driest Driest since: 1980 1955
120th Wettest Wettest since: 2016 1969
Nov–Dec 2017
2-Month
2.91"
(73.91mm)
6.27"
(159.26mm)
-3.36"
(-85.35mm)
5th Driest Driest since: 2001 1965
120th Wettest Wettest since: 2016 1972
Oct–Dec 2017
3-Month
6.70"
(170.18mm)
9.38"
(238.25mm)
-2.68"
(-68.07mm)
19th Driest Driest since: 2016 2001
106th Wettest Wettest since: 2015 2009
Sep–Dec 2017
4-Month
8.71"
(221.23mm)
12.94"
(328.68mm)
-4.23"
(-107.45mm)
7th Driest Driest since: 2001 1930
118th Wettest Wettest since: 2016 2018
Aug–Dec 2017
5-Month
14.28"
(362.71mm)
17.33"
(440.18mm)
-3.05"
(-77.47mm)
20th Driest Driest since: 2001 1930
105th Wettest Wettest since: 2016 2018
Jul–Dec 2017
6-Month
22.04"
(559.82mm)
21.51"
(546.35mm)
0.53"
(13.47mm)
70th Driest Driest since: 2016 1930
55th Wettest Wettest since: 2013 2018
Jun–Dec 2017
7-Month
24.15"
(613.41mm)
25.36"
(644.14mm)
-1.21"
(-30.73mm)
51st Driest Driest since: 2014 1930
74th Wettest Wettest since: 2016 2018
May–Dec 2017
8-Month
30.00"
(762.00mm)
29.09"
(738.89mm)
0.91"
(23.11mm)
69th Driest Driest since: 2014 1930
56th Wettest Wettest since: 2016 2018
Apr–Dec 2017
9-Month
33.22"
(843.79mm)
32.57"
(827.28mm)
0.65"
(16.51mm)
69th Driest Driest since: 2016 1930
56th Wettest Wettest since: 2015 2018
Mar–Dec 2017
10-Month
36.95"
(938.53mm)
36.35"
(923.29mm)
0.60"
(15.24mm)
66th Driest Driest since: 2016 1930
59th Wettest Wettest since: 2015 2018
Feb–Dec 2017
11-Month
38.07"
(966.98mm)
39.24"
(996.70mm)
-1.17"
(-29.72mm)
50th Driest Driest since: 2007 1930
75th Wettest Wettest since: 2016 2018
Jan–Dec 2017
12-Month
41.21"
(1,046.73mm)
42.59"
(1,081.79mm)
-1.38"
(-35.06mm)
54th Driest Driest since: 2012 1930
71st Wettest Wettest since: 2016 2018
Jul 2016–Dec 2017
18-Month
61.83"
(1,570.48mm)
64.07"
(1,627.38mm)
-2.24"
(-56.90mm)
46th Driest Driest since: 2007 1930
78th Wettest Wettest since: 2016 2018
Jan 2016–Dec 2017
24-Month
82.87"
(2,104.90mm)
85.13"
(2,162.30mm)
-2.26"
(-57.40mm)
50th Driest Driest since: 2008 1931
74th Wettest Wettest since: 2016 2004
Jan 2015–Dec 2017
36-Month
129.73"
(3,295.14mm)
127.64"
(3,242.06mm)
2.09"
(53.08mm)
67th Driest Driest since: 2008 1931
56th Wettest Wettest since: 2016 2005
Jan 2014–Dec 2017
48-Month
174.49"
(4,432.05mm)
170.14"
(4,321.56mm)
4.35"
(110.49mm)
75th Driest Driest since: 2010 1966
47th Wettest Wettest since: 2016 2006
Jan 2013–Dec 2017
60-Month
220.53"
(5,601.46mm)
212.69"
(5,402.33mm)
7.84"
(199.13mm)
84th Driest Driest since: 2016 1966
37th Wettest Wettest since: 2015 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 14, 2019 from https://www.ncdc.noaa.gov/cag/