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 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2009
1-Month
6.92"
(175.77mm)
3.29"
(83.57mm)
3.63"
(92.20mm)
123rd Driest Driest since: 2008 1955
2nd Wettest Wettest since: 1969 1969
Nov–Dec 2009
2-Month
11.39"
(289.31mm)
6.27"
(159.26mm)
5.12"
(130.05mm)
121st Driest Driest since: 2008 1965
4th Wettest Wettest since: 1983 1972
Oct–Dec 2009
3-Month
17.14"
(435.36mm)
9.38"
(238.25mm)
7.76"
(197.11mm)
124th Driest Driest since: 2008 2001
1st Wettest Wettest to Date 2009
Sep–Dec 2009
4-Month
20.86"
(529.84mm)
12.94"
(328.68mm)
7.92"
(201.16mm)
122nd Driest Driest since: 2008 1930
3rd Wettest Wettest since: 2003 2018
Aug–Dec 2009
5-Month
26.82"
(681.23mm)
17.33"
(440.18mm)
9.49"
(241.05mm)
122nd Driest Driest since: 2008 1930
3rd Wettest Wettest to Date 2018
Jul–Dec 2009
6-Month
29.89"
(759.21mm)
21.51"
(546.35mm)
8.38"
(212.86mm)
119th Driest Driest since: 2008 1930
6th Wettest Wettest since: 2003 2018
Jun–Dec 2009
7-Month
35.32"
(897.13mm)
25.36"
(644.14mm)
9.96"
(252.99mm)
120th Driest Driest since: 2008 1930
5th Wettest Wettest since: 2003 2018
May–Dec 2009
8-Month
41.25"
(1,047.75mm)
29.09"
(738.89mm)
12.16"
(308.86mm)
121st Driest Driest since: 2008 1930
4th Wettest Wettest since: 2003 2018
Apr–Dec 2009
9-Month
45.94"
(1,166.88mm)
32.57"
(827.28mm)
13.37"
(339.60mm)
121st Driest Driest since: 2008 1930
4th Wettest Wettest since: 2003 2018
Mar–Dec 2009
10-Month
48.27"
(1,226.06mm)
36.35"
(923.29mm)
11.92"
(302.77mm)
121st Driest Driest since: 2008 1930
4th Wettest Wettest since: 2003 2018
Feb–Dec 2009
11-Month
48.78"
(1,239.01mm)
39.24"
(996.70mm)
9.54"
(242.31mm)
116th Driest Driest since: 2008 1930
9th Wettest Wettest since: 2003 2018
Jan–Dec 2009
12-Month
51.27"
(1,302.26mm)
42.59"
(1,081.79mm)
8.68"
(220.47mm)
114th Driest Driest since: 2008 1930
11th Wettest Wettest since: 2003 2018
Jul 2008–Dec 2009
18-Month
71.95"
(1,827.53mm)
64.07"
(1,627.38mm)
7.88"
(200.15mm)
108th Driest Driest since: 2008 1930
16th Wettest Wettest since: 2004 2018
Jan 2008–Dec 2009
24-Month
96.27"
(2,445.26mm)
85.13"
(2,162.30mm)
11.14"
(282.96mm)
111th Driest Driest since: 2008 1931
13th Wettest Wettest since: 2004 2004
Jan 2007–Dec 2009
36-Month
132.32"
(3,360.93mm)
127.64"
(3,242.06mm)
4.68"
(118.87mm)
79th Driest Driest since: 2008 1931
44th Wettest Wettest since: 2006 2005
Jan 2006–Dec 2009
48-Month
177.29"
(4,503.17mm)
170.14"
(4,321.56mm)
7.15"
(181.61mm)
87th Driest Driest since: 2008 1966
35th Wettest Wettest since: 2006 2006
Jan 2005–Dec 2009
60-Month
221.32"
(5,621.53mm)
212.69"
(5,402.33mm)
8.63"
(219.20mm)
87th Driest Driest since: 2008 1966
34th Wettest Wettest since: 2007 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/