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 2019. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, May 1921

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1921
1-Month
5.38"
(136.65mm)
3.73"
(94.74mm)
1.65"
(41.91mm)
104th Driest Driest since: 1920 1964
22nd Wettest Wettest since: 1919 2018
Apr–May 1921
2-Month
8.53"
(216.66mm)
7.21"
(183.13mm)
1.32"
(33.53mm)
93rd Driest Driest since: 1920 1963
33rd Wettest Wettest since: 1919 1983
Mar–May 1921
3-Month
10.93"
(277.62mm)
10.99"
(279.15mm)
-0.06"
(-1.53mm)
66th Driest Driest since: 1920 1986
60th Wettest Wettest since: 1919 1983
Feb–May 1921
4-Month
13.85"
(351.79mm)
13.88"
(352.55mm)
-0.03"
(-0.76mm)
66th Driest Driest since: 1917 2006
60th Wettest Wettest since: 1920 1983
Jan–May 1921
5-Month
16.25"
(412.75mm)
17.23"
(437.64mm)
-0.98"
(-24.89mm)
52nd Driest Driest since: 1916 1969
74th Wettest Wettest since: 1920 1998
Dec 1920–May 1921
6-Month
19.58"
(497.33mm)
20.52"
(521.21mm)
-0.94"
(-23.88mm)
51st Driest Driest since: 1920 1986
74th Wettest Wettest since: 1919 1984
Nov 1920–May 1921
7-Month
23.90"
(607.06mm)
23.51"
(597.15mm)
0.39"
(9.91mm)
74th Driest Driest since: 1920 1977
51st Wettest Wettest since: 1919 1998
Oct 1920–May 1921
8-Month
24.79"
(629.67mm)
26.64"
(676.66mm)
-1.85"
(-46.99mm)
49th Driest Driest since: 1917 1925
76th Wettest Wettest since: 1920 1984
Sep 1920–May 1921
9-Month
27.96"
(710.18mm)
30.19"
(766.83mm)
-2.23"
(-56.65mm)
47th Driest Driest since: 1917 2002
78th Wettest Wettest since: 1920 2019
Aug 1920–May 1921
10-Month
35.41"
(899.41mm)
34.56"
(877.82mm)
0.85"
(21.59mm)
69th Driest Driest since: 1920 1931
56th Wettest Wettest since: 1912 2019
Ties: 1987
Jul 1920–May 1921
11-Month
40.10"
(1,018.54mm)
38.72"
(983.49mm)
1.38"
(35.05mm)
70th Driest Driest since: 1919 1931
55th Wettest Wettest since: 1920 2019
Jun 1920–May 1921
12-Month
45.76"
(1,162.30mm)
42.56"
(1,081.02mm)
3.20"
(81.28mm)
83rd Driest Driest since: 1920 1931
42nd Wettest Wettest since: 1912 2019
Dec 1919–May 1921
18-Month
65.19"
(1,655.83mm)
63.04"
(1,601.22mm)
2.15"
(54.61mm)
77th Driest Driest since: 1919 1931
47th Wettest Wettest since: 1920 2019
Jun 1919–May 1921
24-Month
91.14"
(2,314.96mm)
85.05"
(2,160.27mm)
6.09"
(154.69mm)
89th Driest Driest since: 1920 1931
35th Wettest Wettest since: 1913 2019
Jun 1918–May 1921
36-Month
130.38"
(3,311.65mm)
127.65"
(3,242.31mm)
2.73"
(69.34mm)
65th Driest Driest since: 1920 1967
58th Wettest Wettest since: 1909 2005
Jun 1917–May 1921
48-Month
174.51"
(4,432.55mm)
170.18"
(4,322.57mm)
4.33"
(109.98mm)
77th Driest Driest since: 1920 1966
45th Wettest Wettest since: 1909 2019
Jun 1916–May 1921
60-Month
215.30"
(5,468.62mm)
212.57"
(5,399.28mm)
2.73"
(69.34mm)
62nd Driest Driest since: 1920 1969
59th Wettest Wettest since: 1910 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/