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 April 2022. For more information, please see Climatological Rankings.
Maryland
Precipitation Rankings, September 2020
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2020 1-Month |
4.02" (102.11mm) | 3.56" (90.42mm) |
0.46" (11.69mm) | 87th Driest | Driest since: 2019 | 1941 |
| 41st Wettest | Wettest since: 2018 | 1999 | ||||
| Ties: 1900 | ||||||
|
Aug–Sep 2020 2-Month |
12.96" (329.18mm) | 7.95" (201.93mm) |
5.01" (127.25mm) | 118th Driest | Driest since: 2019 | 1930 |
| 10th Wettest | Wettest since: 2018 | 2011 | ||||
|
Jul–Sep 2020 3-Month |
17.33" (440.18mm) | 12.13" (308.10mm) |
5.20" (132.08mm) | 116th Driest | Driest since: 2019 | 1930 |
| 12th Wettest | Wettest since: 2018 | 2018 | ||||
|
Jun–Sep 2020 4-Month |
20.94" (531.88mm) | 15.98" (405.89mm) |
4.96" (125.99mm) | 114th Driest | Driest since: 2019 | 1930 |
| 14th Wettest | Wettest since: 2018 | 2018 | ||||
|
May–Sep 2020 5-Month |
24.00" (609.60mm) | 19.71" (500.63mm) |
4.29" (108.97mm) | 104th Driest | Driest since: 2019 | 1930 |
| 24th Wettest | Wettest since: 2018 | 2018 | ||||
| Ties: 1972 | ||||||
|
Apr–Sep 2020 6-Month |
28.88" (733.55mm) | 23.19" (589.03mm) |
5.69" (144.52mm) | 114th Driest | Driest since: 2019 | 1930 |
| 14th Wettest | Wettest since: 2018 | 2018 | ||||
|
Mar–Sep 2020 7-Month |
31.80" (807.72mm) | 26.97" (685.04mm) |
4.83" (122.68mm) | 108th Driest | Driest since: 2019 | 1930 |
| 20th Wettest | Wettest since: 2018 | 2018 | ||||
|
Feb–Sep 2020 8-Month |
34.99" (888.75mm) | 29.86" (758.44mm) |
5.13" (130.31mm) | 109th Driest | Driest since: 2019 | 1930 |
| 19th Wettest | Wettest since: 2018 | 2018 | ||||
|
Jan–Sep 2020 9-Month |
38.03" (965.96mm) | 33.21" (843.53mm) |
4.82" (122.43mm) | 105th Driest | Driest since: 2019 | 1930 |
| 23rd Wettest | Wettest since: 2018 | 2018 | ||||
|
Dec 2019–Sep 2020 10-Month |
41.63" (1,057.40mm) | 36.49" (926.85mm) |
5.14" (130.55mm) | 105th Driest | Driest since: 2019 | 1930 |
| 22nd Wettest | Wettest since: 2018 | 2003 | ||||
|
Nov 2019–Sep 2020 11-Month |
43.33" (1,100.58mm) | 39.48" (1,002.79mm) |
3.85" (97.79mm) | 92nd Driest | Driest since: 2017 | 1930 |
| 35th Wettest | Wettest since: 2019 | 2003 | ||||
|
Oct 2019–Sep 2020 12-Month |
48.59" (1,234.19mm) | 42.62" (1,082.55mm) |
5.97" (151.64mm) | 101st Driest | Driest since: 2019 | 1930 |
| 26th Wettest | Wettest since: 2018 | 2003 | ||||
|
Apr 2019–Sep 2020 18-Month |
69.79" (1,772.67mm) | 65.72" (1,669.29mm) |
4.07" (103.38mm) | 79th Driest | Driest since: 2017 | 1966 |
| 48th Wettest | Wettest since: 2019 | 2019 | ||||
|
Oct 2018–Sep 2020 24-Month |
96.69" (2,455.93mm) | 85.14" (2,162.56mm) |
11.55" (293.37mm) | 112th Driest | Driest since: 2018 | 1930 |
| 14th Wettest | Wettest since: 2019 | 2004 | ||||
|
Oct 2017–Sep 2020 36-Month |
152.05" (3,862.07mm) | 127.72" (3,244.09mm) |
24.33" (617.98mm) | 123rd Driest | Driest since: 2019 | 1931 |
| 2nd Wettest | Wettest since: 2005 | 2005 | ||||
|
Oct 2016–Sep 2020 48-Month |
192.99" (4,901.95mm) | 170.22" (4,323.59mm) |
22.77" (578.36mm) | 120th Driest | Driest since: 2019 | 1932 |
| 4th Wettest | Wettest since: 2006 | 2021 | ||||
|
Oct 2015–Sep 2020 60-Month |
239.12" (6,073.65mm) | 212.69" (5,402.33mm) |
26.43" (671.32mm) | 119th Driest | Driest since: 2019 | 1966 |
| 4th Wettest | Wettest since: 1975 | 1975 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 21, 2022 from https://www.ncdc.noaa.gov/cag/