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, May 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2009
1-Month
5.93"
(150.62mm)
3.73"
(94.74mm)
2.20"
(55.88mm)
115th Driest Driest since: 2007 1964
11th Wettest Wettest since: 2008 2018
Ties: 2016
Apr–May 2009
2-Month
10.62"
(269.75mm)
7.21"
(183.13mm)
3.41"
(86.62mm)
116th Driest Driest since: 2007 1963
10th Wettest Wettest since: 2008 1983
Mar–May 2009
3-Month
12.95"
(328.93mm)
10.99"
(279.15mm)
1.96"
(49.78mm)
97th Driest Driest since: 2007 1986
29th Wettest Wettest since: 2008 1983
Feb–May 2009
4-Month
13.46"
(341.88mm)
13.88"
(352.55mm)
-0.42"
(-10.67mm)
58th Driest Driest since: 2007 2006
68th Wettest Wettest since: 2008 1983
Jan–May 2009
5-Month
15.95"
(405.13mm)
17.23"
(437.64mm)
-1.28"
(-32.51mm)
43rd Driest Driest since: 2007 1969
83rd Wettest Wettest since: 2008 1998
Ties: 1896
Dec 2008–May 2009
6-Month
20.72"
(526.29mm)
20.52"
(521.21mm)
0.20"
(5.08mm)
71st Driest Driest since: 2007 1986
54th Wettest Wettest since: 2008 1984
Nov 2008–May 2009
7-Month
24.05"
(610.87mm)
23.51"
(597.15mm)
0.54"
(13.72mm)
76th Driest Driest since: 2007 1977
49th Wettest Wettest since: 2008 1998
Oct 2008–May 2009
8-Month
25.52"
(648.21mm)
26.64"
(676.66mm)
-1.12"
(-28.45mm)
57th Driest Driest since: 2006 1925
68th Wettest Wettest since: 2008 1984
Sep 2008–May 2009
9-Month
30.41"
(772.41mm)
30.19"
(766.83mm)
0.22"
(5.58mm)
67th Driest Driest since: 2006 2002
58th Wettest Wettest since: 2008 2019
Aug 2008–May 2009
10-Month
32.42"
(823.47mm)
34.56"
(877.82mm)
-2.14"
(-54.35mm)
45th Driest Driest since: 2006 1931
80th Wettest Wettest since: 2008 2019
Jul 2008–May 2009
11-Month
36.63"
(930.40mm)
38.72"
(983.49mm)
-2.09"
(-53.09mm)
45th Driest Driest since: 2006 1931
80th Wettest Wettest since: 2008 2019
Jun 2008–May 2009
12-Month
41.23"
(1,047.24mm)
42.56"
(1,081.02mm)
-1.33"
(-33.78mm)
51st Driest Driest since: 2008 1931
74th Wettest Wettest since: 2007 2019
Dec 2007–May 2009
18-Month
65.16"
(1,655.06mm)
63.04"
(1,601.22mm)
2.12"
(53.84mm)
76th Driest Driest since: 2008 1931
48th Wettest Wettest since: 2005 2019
Jun 2007–May 2009
24-Month
82.11"
(2,085.59mm)
85.05"
(2,160.27mm)
-2.94"
(-74.68mm)
37th Driest Driest since: 2002 1931
87th Wettest Wettest since: 2008 2019
Jun 2006–May 2009
36-Month
130.56"
(3,316.22mm)
127.65"
(3,242.31mm)
2.91"
(73.91mm)
66th Driest Driest since: 2008 1967
57th Wettest Wettest since: 2007 2005
Jun 2005–May 2009
48-Month
168.30"
(4,274.82mm)
170.18"
(4,322.57mm)
-1.88"
(-47.75mm)
44th Driest Driest since: 2002 1966
78th Wettest Wettest since: 2008 2019
Jun 2004–May 2009
60-Month
216.12"
(5,489.45mm)
212.57"
(5,399.28mm)
3.55"
(90.17mm)
65th Driest Driest since: 2003 1969
56th Wettest Wettest since: 2008 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 22, 2019 from https://www.ncdc.noaa.gov/cag/