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 2022. 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
(1895-2022)
Wettest/Driest
Since
Record
April 2021
1-Month
2.75"
(69.85mm)
3.48"
(88.39mm)
-0.73"
(-18.54mm)
40th Driest Driest since: 2016 1985
89th Wettest Wettest since: 2020 1983
Mar–Apr 2021
2-Month
6.17"
(156.72mm)
7.26"
(184.40mm)
-1.09"
(-27.68mm)
37th Driest Driest since: 2016 1915
92nd Wettest Wettest since: 2020 1983
Feb–Apr 2021
3-Month
10.51"
(266.95mm)
10.15"
(257.81mm)
0.36"
(9.14mm)
78th Driest Driest since: 2017 2006
51st Wettest Wettest since: 2020 1983
Jan–Apr 2021
4-Month
12.59"
(319.79mm)
13.51"
(343.15mm)
-0.92"
(-23.36mm)
53rd Driest Driest since: 2017 1985
76th Wettest Wettest since: 2020 1998
Ties: 2004
Dec 2020–Apr 2021
5-Month
18.00"
(457.20mm)
16.79"
(426.47mm)
1.21"
(30.73mm)
91st Driest Driest since: 2020 1985
37th Wettest Wettest since: 2019 1937
Nov 2020–Apr 2021
6-Month
22.76"
(578.10mm)
19.78"
(502.41mm)
2.98"
(75.69mm)
101st Driest Driest since: 2020 1977
27th Wettest Wettest since: 2019 1998
Oct 2020–Apr 2021
7-Month
27.40"
(695.96mm)
22.91"
(581.91mm)
4.49"
(114.05mm)
106th Driest Driest since: 2020 2002
22nd Wettest Wettest since: 2019 1984
Sep 2020–Apr 2021
8-Month
31.42"
(798.07mm)
26.46"
(672.08mm)
4.96"
(125.99mm)
104th Driest Driest since: 2020 1931
24th Wettest Wettest since: 2019 2019
Aug 2020–Apr 2021
9-Month
40.36"
(1,025.14mm)
30.83"
(783.08mm)
9.53"
(242.06mm)
125th Driest Driest since: 2020 1931
3rd Wettest Wettest since: 2019 2019
Jul 2020–Apr 2021
10-Month
44.73"
(1,136.14mm)
34.99"
(888.75mm)
9.74"
(247.39mm)
126th Driest Driest since: 2020 1931
2nd Wettest Wettest since: 2019 2019
Jun 2020–Apr 2021
11-Month
48.34"
(1,227.84mm)
38.83"
(986.28mm)
9.51"
(241.56mm)
120th Driest Driest since: 2020 1931
8th Wettest Wettest since: 2019 2019
May 2020–Apr 2021
12-Month
51.40"
(1,305.56mm)
42.55"
(1,080.77mm)
8.85"
(224.79mm)
118th Driest Driest since: 2020 1931
10th Wettest Wettest since: 2019 2019
Nov 2019–Apr 2021
18-Month
70.73"
(1,796.54mm)
62.30"
(1,582.42mm)
8.43"
(214.12mm)
111th Driest Driest since: 2020 1931
16th Wettest Wettest since: 2019 2004
May 2019–Apr 2021
24-Month
94.15"
(2,391.41mm)
85.06"
(2,160.52mm)
9.09"
(230.89mm)
107th Driest Driest since: 2018 1931
20th Wettest Wettest since: 2020 2019
May 2018–Apr 2021
36-Month
159.09"
(4,040.89mm)
127.66"
(3,242.56mm)
31.43"
(798.33mm)
125th Driest Driest since: 2020 1967
1st Wettest Wettest to Date 2021
May 2017–Apr 2021
48-Month
202.75"
(5,149.85mm)
170.21"
(4,323.33mm)
32.54"
(826.52mm)
124th Driest Driest since: 2020 1968
1st Wettest Wettest to Date 2021
May 2016–Apr 2021
60-Month
244.68"
(6,214.87mm)
212.58"
(5,399.53mm)
32.10"
(815.34mm)
123rd 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, Precipitation, published September 2022, retrieved on September 29, 2022 from https://www.ncdc.noaa.gov/cag/