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 June 2021. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, April 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
April 2021
1-Month
2.60"
(66.04mm)
3.48"
(88.39mm)
-0.88"
(-22.35mm)
35th Driest Driest since: 2016 1985
93rd Wettest Wettest since: 2020 1983
Ties: 1912
Mar–Apr 2021
2-Month
6.02"
(152.91mm)
7.26"
(184.40mm)
-1.24"
(-31.49mm)
34th Driest Driest since: 2016 1915
94th Wettest Wettest since: 2020 1983
Feb–Apr 2021
3-Month
10.36"
(263.14mm)
10.15"
(257.81mm)
0.21"
(5.33mm)
74th Driest Driest since: 2017 2006
54th Wettest Wettest since: 2020 1983
Jan–Apr 2021
4-Month
12.44"
(315.98mm)
13.50"
(342.90mm)
-1.06"
(-26.92mm)
48th Driest Driest since: 2017 1985
80th Wettest Wettest since: 2020 1998
Dec 2020–Apr 2021
5-Month
17.85"
(453.39mm)
16.79"
(426.47mm)
1.06"
(26.92mm)
89th Driest Driest since: 2020 1985
38th Wettest Wettest since: 2019 1937
Nov 2020–Apr 2021
6-Month
22.61"
(574.29mm)
19.78"
(502.41mm)
2.83"
(71.88mm)
100th Driest Driest since: 2020 1977
27th Wettest Wettest since: 2019 1998
Ties: 1996
Oct 2020–Apr 2021
7-Month
27.25"
(692.15mm)
22.91"
(581.91mm)
4.34"
(110.24mm)
104th Driest Driest since: 2020 2002
23rd Wettest Wettest since: 2019 1984
Sep 2020–Apr 2021
8-Month
31.27"
(794.26mm)
26.46"
(672.08mm)
4.81"
(122.18mm)
101st Driest Driest since: 2020 1931
26th Wettest Wettest since: 2019 2019
Aug 2020–Apr 2021
9-Month
40.21"
(1,021.33mm)
30.83"
(783.08mm)
9.38"
(238.25mm)
124th Driest Driest since: 2020 1931
3rd Wettest Wettest since: 2019 2019
Jul 2020–Apr 2021
10-Month
44.58"
(1,132.33mm)
34.99"
(888.75mm)
9.59"
(243.58mm)
124th Driest Driest since: 2020 1931
3rd Wettest Wettest since: 2019 2019
Jun 2020–Apr 2021
11-Month
48.19"
(1,224.03mm)
38.83"
(986.28mm)
9.36"
(237.75mm)
119th Driest Driest since: 2020 1931
8th Wettest Wettest since: 2019 2019
May 2020–Apr 2021
12-Month
51.25"
(1,301.75mm)
42.55"
(1,080.77mm)
8.70"
(220.98mm)
117th Driest Driest since: 2020 1931
10th Wettest Wettest since: 2019 2019
Nov 2019–Apr 2021
18-Month
70.58"
(1,792.73mm)
62.30"
(1,582.42mm)
8.28"
(210.31mm)
109th Driest Driest since: 2020 1931
17th Wettest Wettest since: 2019 2004
May 2019–Apr 2021
24-Month
94.00"
(2,387.60mm)
85.06"
(2,160.52mm)
8.94"
(227.08mm)
105th Driest Driest since: 2018 1931
21st Wettest Wettest since: 2020 2019
May 2018–Apr 2021
36-Month
158.94"
(4,037.08mm)
127.66"
(3,242.56mm)
31.28"
(794.52mm)
124th Driest Driest since: 2020 1967
1st Wettest Wettest to Date 2021
May 2017–Apr 2021
48-Month
202.60"
(5,146.04mm)
170.21"
(4,323.33mm)
32.39"
(822.71mm)
123rd Driest Driest since: 2020 1968
1st Wettest Wettest to Date 2021
May 2016–Apr 2021
60-Month
244.53"
(6,211.06mm)
212.58"
(5,399.53mm)
31.95"
(811.53mm)
122nd Driest Driest since: 2020 1967
1st Wettest Wettest to Date 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on July 31, 2021 from https://www.ncdc.noaa.gov/cag/