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


Delaware

Precipitation Rankings, September 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1975
1-Month
6.80"
(172.72mm)
3.60"
(91.44mm)
3.20"
(81.28mm)
121st Driest Driest since: 1974 1941
7th Wettest Wettest since: 1960 1935
Aug–Sep 1975
2-Month
9.77"
(248.16mm)
8.19"
(208.03mm)
1.58"
(40.13mm)
95th Driest Driest since: 1974 2005
33rd Wettest Wettest since: 1971 1928
Jul–Sep 1975
3-Month
17.94"
(455.68mm)
12.50"
(317.50mm)
5.44"
(138.18mm)
114th Driest Driest since: 1974 1968
14th Wettest Wettest since: 1967 1938
Jun–Sep 1975
4-Month
22.59"
(573.79mm)
16.14"
(409.96mm)
6.45"
(163.83mm)
117th Driest Driest since: 1974 1968
11th Wettest Wettest since: 1967 1938
May–Sep 1975
5-Month
26.90"
(683.26mm)
19.70"
(500.38mm)
7.20"
(182.88mm)
114th Driest Driest since: 1974 1964
14th Wettest Wettest since: 1967 1989
Apr–Sep 1975
6-Month
30.64"
(778.26mm)
23.18"
(588.77mm)
7.46"
(189.49mm)
113th Driest Driest since: 1974 1986
15th Wettest Wettest since: 1958 1989
Mar–Sep 1975
7-Month
36.21"
(919.73mm)
27.16"
(689.86mm)
9.05"
(229.87mm)
124th Driest Driest since: 1974 1986
4th Wettest Wettest since: 1958 1989
Feb–Sep 1975
8-Month
39.26"
(997.20mm)
30.20"
(767.08mm)
9.06"
(230.12mm)
122nd Driest Driest since: 1974 1930
6th Wettest Wettest since: 1958 1989
Jan–Sep 1975
9-Month
44.24"
(1,123.70mm)
33.69"
(855.73mm)
10.55"
(267.97mm)
124th Driest Driest since: 1974 1930
4th Wettest Wettest since: 1958 1989
Dec 1974–Sep 1975
10-Month
49.16"
(1,248.66mm)
37.15"
(943.61mm)
12.01"
(305.05mm)
124th Driest Driest since: 1974 1986
3rd Wettest Wettest since: 1958 1958
Nov 1974–Sep 1975
11-Month
50.20"
(1,275.08mm)
40.22"
(1,021.59mm)
9.98"
(253.49mm)
119th Driest Driest since: 1974 1930
8th Wettest Wettest since: 1958 1958
Oct 1974–Sep 1975
12-Month
52.00"
(1,320.80mm)
43.37"
(1,101.60mm)
8.63"
(219.20mm)
112th Driest Driest since: 1974 1986
15th Wettest Wettest since: 1958 2003
Apr 1974–Sep 1975
18-Month
73.43"
(1,865.12mm)
66.48"
(1,688.59mm)
6.95"
(176.53mm)
93rd Driest Driest since: 1974 1966
34th Wettest Wettest since: 1973 2010
Oct 1973–Sep 1975
24-Month
93.45"
(2,373.63mm)
86.63"
(2,200.40mm)
6.82"
(173.23mm)
91st Driest Driest since: 1974 1966
35th Wettest Wettest since: 1973 2004
Oct 1972–Sep 1975
36-Month
144.48"
(3,669.79mm)
129.92"
(3,299.97mm)
14.56"
(369.82mm)
111th Driest Driest since: 1974 1966
14th Wettest Wettest since: 1973 1935
Oct 1971–Sep 1975
48-Month
193.93"
(4,925.82mm)
173.15"
(4,398.01mm)
20.78"
(527.81mm)
116th Driest Driest since: 1974 1966
8th Wettest Wettest since: 1939 1936
Oct 1970–Sep 1975
60-Month
241.50"
(6,134.10mm)
216.34"
(5,495.04mm)
25.16"
(639.06mm)
117th Driest Driest since: 1974 1966
6th Wettest Wettest since: 1939 1937
Ties: 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 27, 2021 from https://www.ncdc.noaa.gov/cag/