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 2020. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, September 1966

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1966
1-Month
7.21"
(183.13mm)
3.56"
(90.42mm)
3.65"
(92.71mm)
117th Driest Driest since: 1965 1941
9th Wettest Wettest since: 1935 1999
Aug–Sep 1966
2-Month
8.80"
(223.52mm)
7.95"
(201.93mm)
0.85"
(21.59mm)
85th Driest Driest since: 1965 1930
41st Wettest Wettest since: 1960 2011
Jul–Sep 1966
3-Month
10.64"
(270.26mm)
12.13"
(308.10mm)
-1.49"
(-37.84mm)
45th Driest Driest since: 1964 1930
81st Wettest Wettest since: 1965 2018
Jun–Sep 1966
4-Month
12.50"
(317.50mm)
15.98"
(405.89mm)
-3.48"
(-88.39mm)
22nd Driest Driest since: 1964 1930
104th Wettest Wettest since: 1965 2018
May–Sep 1966
5-Month
15.85"
(402.59mm)
19.71"
(500.63mm)
-3.86"
(-98.04mm)
21st Driest Driest since: 1965 1930
105th Wettest Wettest since: 1963 2018
Apr–Sep 1966
6-Month
19.83"
(503.68mm)
23.19"
(589.03mm)
-3.36"
(-85.35mm)
23rd Driest Driest since: 1965 1930
103rd Wettest Wettest since: 1961 2018
Ties: 1980
Mar–Sep 1966
7-Month
21.35"
(542.29mm)
26.97"
(685.04mm)
-5.62"
(-142.75mm)
10th Driest Driest since: 1964 1930
116th Wettest Wettest since: 1965 2018
Ties: 1962
Feb–Sep 1966
8-Month
24.97"
(634.24mm)
29.86"
(758.44mm)
-4.89"
(-124.20mm)
20th Driest Driest since: 1965 1930
106th Wettest Wettest since: 1963 2018
Jan–Sep 1966
9-Month
28.79"
(731.27mm)
33.21"
(843.53mm)
-4.42"
(-112.26mm)
23rd Driest Driest since: 1965 1930
103rd Wettest Wettest since: 1964 2018
Dec 1965–Sep 1966
10-Month
29.55"
(750.57mm)
36.49"
(926.85mm)
-6.94"
(-176.28mm)
11th Driest Driest since: 1954 1930
114th Wettest Wettest since: 1965 2003
Nov 1965–Sep 1966
11-Month
30.37"
(771.40mm)
39.48"
(1,002.79mm)
-9.11"
(-231.39mm)
6th Driest Driest since: 1930 1930
119th Wettest Wettest since: 1965 2003
Oct 1965–Sep 1966
12-Month
32.64"
(829.06mm)
42.62"
(1,082.55mm)
-9.98"
(-253.49mm)
4th Driest Driest since: 1930 1930
121st Wettest Wettest since: 1965 2003
Apr 1965–Sep 1966
18-Month
50.01"
(1,270.25mm)
65.72"
(1,669.29mm)
-15.71"
(-399.04mm)
1st Driest Driest to Date 1966
124th Wettest Wettest since: 1965 2019
Oct 1964–Sep 1966
24-Month
68.01"
(1,727.45mm)
85.14"
(2,162.56mm)
-17.13"
(-435.11mm)
4th Driest Driest since: 1931 1930
120th Wettest Wettest since: 1965 2004
Oct 1963–Sep 1966
36-Month
105.65"
(2,683.51mm)
127.72"
(3,244.09mm)
-22.07"
(-560.58mm)
3rd Driest Driest since: 1932 1931
120th Wettest Wettest since: 1965 2005
Oct 1962–Sep 1966
48-Month
144.14"
(3,661.16mm)
170.22"
(4,323.59mm)
-26.08"
(-662.43mm)
2nd Driest Driest since: 1932 1932
120th Wettest Wettest since: 1965 2006
Oct 1961–Sep 1966
60-Month
181.91"
(4,620.51mm)
212.69"
(5,402.33mm)
-30.78"
(-781.82mm)
1st Driest Driest to Date 1966
120th Wettest Wettest since: 1965 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 20, 2020 from https://www.ncdc.noaa.gov/cag/