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.


Delaware

Precipitation Rankings, September 1964

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1964
1-Month
4.43"
(112.52mm)
3.60"
(91.44mm)
0.83"
(21.08mm)
95th Driest Driest since: 1962 1941
33rd Wettest Wettest since: 1963 1935
Aug–Sep 1964
2-Month
5.89"
(149.61mm)
8.19"
(208.03mm)
-2.30"
(-58.42mm)
30th Driest Driest since: 1962 2005
98th Wettest Wettest since: 1963 1928
Jul–Sep 1964
3-Month
9.28"
(235.71mm)
12.50"
(317.50mm)
-3.22"
(-81.79mm)
26th Driest Driest since: 1962 1968
102nd Wettest Wettest since: 1963 1938
Jun–Sep 1964
4-Month
10.64"
(270.26mm)
16.14"
(409.96mm)
-5.50"
(-139.70mm)
7th Driest Driest since: 1943 1968
121st Wettest Wettest since: 1963 1938
May–Sep 1964
5-Month
11.03"
(280.16mm)
19.70"
(500.38mm)
-8.67"
(-220.22mm)
1st Driest Driest to Date 1964
127th Wettest Wettest since: 1963 1989
Apr–Sep 1964
6-Month
16.22"
(411.99mm)
23.18"
(588.77mm)
-6.96"
(-176.78mm)
6th Driest Driest since: 1957 1986
122nd Wettest Wettest since: 1963 1989
Mar–Sep 1964
7-Month
19.16"
(486.66mm)
27.16"
(689.86mm)
-8.00"
(-203.20mm)
4th Driest Driest since: 1930 1986
124th Wettest Wettest since: 1963 1989
Feb–Sep 1964
8-Month
23.68"
(601.47mm)
30.20"
(767.08mm)
-6.52"
(-165.61mm)
14th Driest Driest since: 1957 1930
114th Wettest Wettest since: 1963 1989
Jan–Sep 1964
9-Month
28.10"
(713.74mm)
33.69"
(855.73mm)
-5.59"
(-141.99mm)
19th Driest Driest since: 1963 1930
109th Wettest Wettest since: 1962 1989
Dec 1963–Sep 1964
10-Month
30.28"
(769.11mm)
37.15"
(943.61mm)
-6.87"
(-174.50mm)
18th Driest Driest since: 1957 1986
109th Wettest Wettest since: 1963 1958
Nov 1963–Sep 1964
11-Month
36.53"
(927.86mm)
40.22"
(1,021.59mm)
-3.69"
(-93.73mm)
39th Driest Driest since: 1963 1930
88th Wettest Wettest since: 1961 1958
Oct 1963–Sep 1964
12-Month
36.65"
(930.91mm)
43.37"
(1,101.60mm)
-6.72"
(-170.69mm)
16th Driest Driest since: 1947 1986
111th Wettest Wettest since: 1963 2003
Apr 1963–Sep 1964
18-Month
53.92"
(1,369.57mm)
66.48"
(1,688.59mm)
-12.56"
(-319.02mm)
6th Driest Driest since: 1931 1966
121st Wettest Wettest since: 1963 2010
Oct 1962–Sep 1964
24-Month
73.88"
(1,876.55mm)
86.63"
(2,200.40mm)
-12.75"
(-323.85mm)
8th Driest Driest since: 1931 1966
118th Wettest Wettest since: 1963 2004
Oct 1961–Sep 1964
36-Month
113.04"
(2,871.22mm)
129.92"
(3,299.97mm)
-16.88"
(-428.75mm)
8th Driest Driest since: 1932 1966
117th Wettest Wettest since: 1963 1935
Oct 1960–Sep 1964
48-Month
155.89"
(3,959.61mm)
173.15"
(4,398.01mm)
-17.26"
(-438.40mm)
9th Driest Driest since: 1943 1966
115th Wettest Wettest since: 1963 1936
Oct 1959–Sep 1964
60-Month
204.58"
(5,196.33mm)
216.34"
(5,495.04mm)
-11.76"
(-298.71mm)
20th Driest Driest since: 1957 1966
103rd Wettest Wettest since: 1963 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 4, 2021 from https://www.ncdc.noaa.gov/cag/