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


Maryland

Precipitation Rankings, October 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 2021
1-Month
3.52"
(89.41mm)
3.11"
(78.99mm)
0.41"
(10.42mm)
77th Driest Driest since: 2016 1963
51st Wettest Wettest since: 2020 1976
Sep–Oct 2021
2-Month
9.54"
(242.32mm)
6.68"
(169.67mm)
2.86"
(72.65mm)
109th Driest Driest since: 2020 1941
19th Wettest Wettest since: 2018 1999
Aug–Oct 2021
3-Month
15.30"
(388.62mm)
11.06"
(280.92mm)
4.24"
(107.70mm)
111th Driest Driest since: 2019 1930
17th Wettest Wettest since: 2020 2011
Jul–Oct 2021
4-Month
19.64"
(498.86mm)
15.24"
(387.10mm)
4.40"
(111.76mm)
109th Driest Driest since: 2019 1930
19th Wettest Wettest since: 2020 2018
Jun–Oct 2021
5-Month
23.43"
(595.12mm)
19.09"
(484.89mm)
4.34"
(110.23mm)
109th Driest Driest since: 2019 1930
19th Wettest Wettest since: 2020 2018
May–Oct 2021
6-Month
26.83"
(681.48mm)
22.82"
(579.63mm)
4.01"
(101.85mm)
103rd Driest Driest since: 2019 1930
25th Wettest Wettest since: 2020 2018
Apr–Oct 2021
7-Month
29.58"
(751.33mm)
26.30"
(668.02mm)
3.28"
(83.31mm)
97th Driest Driest since: 2019 1930
31st Wettest Wettest since: 2020 2018
Mar–Oct 2021
8-Month
33.00"
(838.20mm)
30.08"
(764.03mm)
2.92"
(74.17mm)
92nd Driest Driest since: 2019 1930
36th Wettest Wettest since: 2020 2018
Feb–Oct 2021
9-Month
37.34"
(948.44mm)
32.97"
(837.44mm)
4.37"
(111.00mm)
102nd Driest Driest since: 2019 1930
26th Wettest Wettest since: 2020 2018
Jan–Oct 2021
10-Month
39.42"
(1,001.27mm)
36.33"
(922.78mm)
3.09"
(78.49mm)
95th Driest Driest since: 2019 1930
33rd Wettest Wettest since: 2020 2018
Dec 2020–Oct 2021
11-Month
44.83"
(1,138.68mm)
39.61"
(1,006.09mm)
5.22"
(132.59mm)
103rd Driest Driest since: 2019 1930
24th Wettest Wettest since: 2020 1979
Nov 2020–Oct 2021
12-Month
49.59"
(1,259.59mm)
42.60"
(1,082.04mm)
6.99"
(177.55mm)
112th Driest Driest since: 2020 1930
15th Wettest Wettest since: 2018 2003
May 2020–Oct 2021
18-Month
78.23"
(1,987.04mm)
65.38"
(1,660.65mm)
12.85"
(326.39mm)
119th Driest Driest since: 2020 1930
8th Wettest Wettest since: 2019 2019
Nov 2019–Oct 2021
24-Month
97.56"
(2,478.02mm)
85.12"
(2,162.05mm)
12.44"
(315.97mm)
113th Driest Driest since: 2020 1931
13th Wettest Wettest since: 2019 2004
Nov 2018–Oct 2021
36-Month
146.88"
(3,730.75mm)
127.68"
(3,243.07mm)
19.20"
(487.68mm)
120th Driest Driest since: 2018 1931
5th Wettest Wettest since: 2020 2005
Nov 2017–Oct 2021
48-Month
202.49"
(5,143.25mm)
170.17"
(4,322.32mm)
32.32"
(820.93mm)
123rd Driest Driest since: 2020 1966
1st Wettest Wettest to Date 2021
Nov 2016–Oct 2021
60-Month
245.00"
(6,223.00mm)
212.67"
(5,401.82mm)
32.33"
(821.18mm)
121st Driest Driest since: 2020 1966
2nd Wettest Wettest since: 1975 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on November 29, 2021 from https://www.ncdc.noaa.gov/cag/