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, October 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 2021
1-Month
3.47"
(88.14mm)
3.11"
(78.99mm)
0.36"
(9.15mm)
76th Driest Driest since: 2016 1963
52nd Wettest Wettest since: 2020 1976
Sep–Oct 2021
2-Month
9.56"
(242.82mm)
6.68"
(169.67mm)
2.88"
(73.15mm)
109th Driest Driest since: 2020 1941
19th Wettest Wettest since: 2018 1999
Aug–Oct 2021
3-Month
15.40"
(391.16mm)
11.06"
(280.92mm)
4.34"
(110.24mm)
111th Driest Driest since: 2019 1930
17th Wettest Wettest since: 2020 2011
Jul–Oct 2021
4-Month
19.74"
(501.40mm)
15.24"
(387.10mm)
4.50"
(114.30mm)
109th Driest Driest since: 2019 1930
19th Wettest Wettest since: 2020 2018
Jun–Oct 2021
5-Month
23.53"
(597.66mm)
19.09"
(484.89mm)
4.44"
(112.77mm)
110th Driest Driest since: 2019 1930
18th Wettest Wettest since: 2020 2018
May–Oct 2021
6-Month
26.93"
(684.02mm)
22.82"
(579.63mm)
4.11"
(104.39mm)
105th Driest Driest since: 2019 1930
23rd Wettest Wettest since: 2020 2018
Apr–Oct 2021
7-Month
29.68"
(753.87mm)
26.30"
(668.02mm)
3.38"
(85.85mm)
99th Driest Driest since: 2019 1930
29th Wettest Wettest since: 2020 2018
Mar–Oct 2021
8-Month
33.10"
(840.74mm)
30.08"
(764.03mm)
3.02"
(76.71mm)
92nd Driest Driest since: 2019 1930
36th Wettest Wettest since: 2020 2018
Feb–Oct 2021
9-Month
37.44"
(950.98mm)
32.97"
(837.44mm)
4.47"
(113.54mm)
103rd Driest Driest since: 2019 1930
25th Wettest Wettest since: 2020 2018
Jan–Oct 2021
10-Month
39.52"
(1,003.81mm)
36.33"
(922.78mm)
3.19"
(81.03mm)
95th Driest Driest since: 2019 1930
33rd Wettest Wettest since: 2020 2018
Dec 2020–Oct 2021
11-Month
44.93"
(1,141.22mm)
39.61"
(1,006.09mm)
5.32"
(135.13mm)
103rd Driest Driest since: 2019 1930
24th Wettest Wettest since: 2020 1979
Nov 2020–Oct 2021
12-Month
49.69"
(1,262.13mm)
42.60"
(1,082.04mm)
7.09"
(180.09mm)
112th Driest Driest since: 2020 1930
15th Wettest Wettest since: 2018 2003
May 2020–Oct 2021
18-Month
78.33"
(1,989.58mm)
65.38"
(1,660.65mm)
12.95"
(328.93mm)
119th Driest Driest since: 2020 1930
8th Wettest Wettest since: 2019 2019
Nov 2019–Oct 2021
24-Month
97.66"
(2,480.56mm)
85.12"
(2,162.05mm)
12.54"
(318.51mm)
113th Driest Driest since: 2020 1931
13th Wettest Wettest since: 2019 2004
Nov 2018–Oct 2021
36-Month
146.98"
(3,733.29mm)
127.68"
(3,243.07mm)
19.30"
(490.22mm)
120th Driest Driest since: 2018 1931
5th Wettest Wettest since: 2020 2005
Nov 2017–Oct 2021
48-Month
202.59"
(5,145.79mm)
170.17"
(4,322.32mm)
32.42"
(823.47mm)
123rd Driest Driest since: 2020 1966
1st Wettest Wettest to Date 2021
Nov 2016–Oct 2021
60-Month
245.10"
(6,225.54mm)
212.67"
(5,401.82mm)
32.43"
(823.72mm)
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 May 2022, retrieved on May 21, 2022 from https://www.ncdc.noaa.gov/cag/