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 2019. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, December 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2018
1-Month
4.97"
(126.24mm)
3.29"
(83.57mm)
1.68"
(42.67mm)
107th Driest Driest since: 2017 1955
18th Wettest Wettest since: 2013 1969
Nov–Dec 2018
2-Month
11.92"
(302.77mm)
6.27"
(159.26mm)
5.65"
(143.51mm)
123rd Driest Driest since: 2017 1965
2nd Wettest Wettest since: 1972 1972
Oct–Dec 2018
3-Month
15.96"
(405.38mm)
9.38"
(238.25mm)
6.58"
(167.13mm)
121st Driest Driest since: 2017 2001
4th Wettest Wettest since: 2009 2009
Sep–Dec 2018
4-Month
25.10"
(637.54mm)
12.94"
(328.68mm)
12.16"
(308.86mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Aug–Dec 2018
5-Month
30.05"
(763.27mm)
17.33"
(440.18mm)
12.72"
(323.09mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jul–Dec 2018
6-Month
38.25"
(971.55mm)
21.51"
(546.35mm)
16.74"
(425.20mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jun–Dec 2018
7-Month
43.35"
(1,101.09mm)
25.36"
(644.14mm)
17.99"
(456.95mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
May–Dec 2018
8-Month
50.96"
(1,294.38mm)
29.09"
(738.89mm)
21.87"
(555.49mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Apr–Dec 2018
9-Month
54.71"
(1,389.63mm)
32.57"
(827.28mm)
22.14"
(562.35mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Mar–Dec 2018
10-Month
57.49"
(1,460.25mm)
36.35"
(923.29mm)
21.14"
(536.96mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Feb–Dec 2018
11-Month
62.22"
(1,580.39mm)
39.24"
(996.70mm)
22.98"
(583.69mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jan–Dec 2018
12-Month
64.62"
(1,641.35mm)
42.59"
(1,081.79mm)
22.03"
(559.56mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jul 2017–Dec 2018
18-Month
86.66"
(2,201.16mm)
64.07"
(1,627.38mm)
22.59"
(573.78mm)
123rd Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jan 2017–Dec 2018
24-Month
105.83"
(2,688.08mm)
85.13"
(2,162.30mm)
20.70"
(525.78mm)
122nd Driest Driest since: 2017 1931
2nd Wettest Wettest since: 2004 2004
Jan 2016–Dec 2018
36-Month
147.49"
(3,746.25mm)
127.64"
(3,242.06mm)
19.85"
(504.19mm)
119th Driest Driest since: 2017 1931
4th Wettest Wettest since: 2005 2005
Jan 2015–Dec 2018
48-Month
194.35"
(4,936.49mm)
170.14"
(4,321.56mm)
24.21"
(614.93mm)
120th Driest Driest since: 2017 1966
2nd Wettest Wettest since: 2006 2006
Jan 2014–Dec 2018
60-Month
239.11"
(6,073.39mm)
212.69"
(5,402.33mm)
26.42"
(671.06mm)
118th Driest Driest since: 2017 1966
3rd Wettest Wettest since: 1975 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/