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 2021. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, April 2020

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
(1895-2021)
Wettest/Driest
Since
Record
April 2020
1-Month
4.88"
(123.95mm)
3.48"
(88.39mm)
1.40"
(35.56mm)
109th Driest Driest since: 2019 1985
19th Wettest Wettest since: 2014 1983
Mar–Apr 2020
2-Month
7.80"
(198.12mm)
7.26"
(184.40mm)
0.54"
(13.72mm)
84th Driest Driest since: 2019 1915
44th Wettest Wettest since: 2015 1983
Feb–Apr 2020
3-Month
10.99"
(279.15mm)
10.15"
(257.81mm)
0.84"
(21.34mm)
86th Driest Driest since: 2019 2006
42nd Wettest Wettest since: 2018 1983
Jan–Apr 2020
4-Month
14.03"
(356.36mm)
13.51"
(343.15mm)
0.52"
(13.21mm)
84th Driest Driest since: 2019 1985
44th Wettest Wettest since: 2014 1998
Dec 2019–Apr 2020
5-Month
17.63"
(447.80mm)
16.79"
(426.47mm)
0.84"
(21.33mm)
84th Driest Driest since: 2018 1985
43rd Wettest Wettest since: 2019 1937
Nov 2019–Apr 2020
6-Month
19.33"
(490.98mm)
19.78"
(502.41mm)
-0.45"
(-11.43mm)
69th Driest Driest since: 2018 1977
58th Wettest Wettest since: 2019 1998
Ties: 1906
Oct 2019–Apr 2020
7-Month
24.59"
(624.59mm)
22.91"
(581.91mm)
1.68"
(42.68mm)
91st Driest Driest since: 2018 2002
36th Wettest Wettest since: 2019 1984
Sep 2019–Apr 2020
8-Month
25.30"
(642.62mm)
26.46"
(672.08mm)
-1.16"
(-29.46mm)
57th Driest Driest since: 2018 1931
70th Wettest Wettest since: 2019 2019
Aug 2019–Apr 2020
9-Month
28.42"
(721.87mm)
30.83"
(783.08mm)
-2.41"
(-61.21mm)
47th Driest Driest since: 2018 1931
80th Wettest Wettest since: 2019 2019
Jul 2019–Apr 2020
10-Month
33.33"
(846.58mm)
34.99"
(888.75mm)
-1.66"
(-42.17mm)
47th Driest Driest since: 2017 1931
80th Wettest Wettest since: 2019 2019
Jun 2019–Apr 2020
11-Month
37.56"
(954.02mm)
38.83"
(986.28mm)
-1.27"
(-32.26mm)
50th Driest Driest since: 2017 1931
77th Wettest Wettest since: 2019 2019
May 2019–Apr 2020
12-Month
42.75"
(1,085.85mm)
42.55"
(1,080.77mm)
0.20"
(5.08mm)
63rd Driest Driest since: 2017 1931
64th Wettest Wettest since: 2019 2019
Nov 2018–Apr 2020
18-Month
68.65"
(1,743.71mm)
62.30"
(1,582.42mm)
6.35"
(161.29mm)
103rd Driest Driest since: 2018 1931
23rd Wettest Wettest since: 2019 2004
May 2018–Apr 2020
24-Month
107.69"
(2,735.33mm)
85.06"
(2,160.52mm)
22.63"
(574.81mm)
123rd Driest Driest since: 2018 1931
3rd Wettest Wettest since: 2019 2019
May 2017–Apr 2020
36-Month
151.35"
(3,844.29mm)
127.66"
(3,242.56mm)
23.69"
(601.73mm)
122nd Driest Driest since: 2019 1967
3rd Wettest Wettest since: 2005 2021
May 2016–Apr 2020
48-Month
193.28"
(4,909.31mm)
170.21"
(4,323.33mm)
23.07"
(585.98mm)
120th Driest Driest since: 2018 1968
4th Wettest Wettest since: 2019 2021
May 2015–Apr 2020
60-Month
237.37"
(6,029.20mm)
212.58"
(5,399.53mm)
24.79"
(629.67mm)
116th Driest Driest since: 2018 1967
7th Wettest Wettest since: 2019 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 23, 2021 from https://www.ncdc.noaa.gov/cag/