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: xml csv json
  • Record Driest
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  • Record Wettest
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/