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
Download:
| 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/