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 2022. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, September 1979

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1979
1-Month
5.86"
(148.84mm)
3.60"
(91.44mm)
2.26"
(57.40mm)
110th Driest Driest since: 1978 1941
18th Wettest Wettest since: 1975 1935
Aug–Sep 1979
2-Month
12.25"
(311.15mm)
8.19"
(208.03mm)
4.06"
(103.12mm)
114th Driest Driest since: 1978 2005
14th Wettest Wettest since: 1971 1928
Jul–Sep 1979
3-Month
16.29"
(413.77mm)
12.50"
(317.50mm)
3.79"
(96.27mm)
104th Driest Driest since: 1978 1968
24th Wettest Wettest since: 1975 1938
Jun–Sep 1979
4-Month
21.02"
(533.91mm)
16.14"
(409.96mm)
4.88"
(123.95mm)
108th Driest Driest since: 1978 1968
20th Wettest Wettest since: 1975 1938
May–Sep 1979
5-Month
25.13"
(638.30mm)
19.70"
(500.38mm)
5.43"
(137.92mm)
108th Driest Driest since: 1978 1964
20th Wettest Wettest since: 1975 1989
Apr–Sep 1979
6-Month
28.51"
(724.15mm)
23.18"
(588.77mm)
5.33"
(135.38mm)
106th Driest Driest since: 1978 1986
22nd Wettest Wettest since: 1975 1989
Mar–Sep 1979
7-Month
32.13"
(816.10mm)
27.16"
(689.86mm)
4.97"
(126.24mm)
102nd Driest Driest since: 1978 1986
26th Wettest Wettest since: 1975 1989
Feb–Sep 1979
8-Month
38.44"
(976.38mm)
30.20"
(767.08mm)
8.24"
(209.30mm)
117th Driest Driest since: 1978 1930
11th Wettest Wettest since: 1975 1989
Jan–Sep 1979
9-Month
45.96"
(1,167.38mm)
33.69"
(855.73mm)
12.27"
(311.65mm)
126th Driest Driest since: 1978 1930
2nd Wettest Wettest to Date 1989
Dec 1978–Sep 1979
10-Month
50.45"
(1,281.43mm)
37.15"
(943.61mm)
13.30"
(337.82mm)
125th Driest Driest since: 1978 1986
2nd Wettest Wettest since: 1958 1958
Nov 1978–Sep 1979
11-Month
53.70"
(1,363.98mm)
40.22"
(1,021.59mm)
13.48"
(342.39mm)
124th Driest Driest since: 1978 1930
3rd Wettest Wettest since: 1958 1958
Oct 1978–Sep 1979
12-Month
55.24"
(1,403.10mm)
43.37"
(1,101.60mm)
11.87"
(301.50mm)
121st Driest Driest since: 1978 1986
6th Wettest Wettest since: 1958 2003
Apr 1978–Sep 1979
18-Month
78.32"
(1,989.33mm)
66.48"
(1,688.59mm)
11.84"
(300.74mm)
112th Driest Driest since: 1978 1966
15th Wettest Wettest since: 1939 2010
Oct 1977–Sep 1979
24-Month
108.49"
(2,755.65mm)
86.63"
(2,200.40mm)
21.86"
(555.25mm)
124th Driest Driest since: 1978 1966
2nd Wettest Wettest to Date 2004
Oct 1976–Sep 1979
36-Month
144.42"
(3,668.27mm)
129.92"
(3,299.97mm)
14.50"
(368.30mm)
110th Driest Driest since: 1978 1966
15th Wettest Wettest since: 1975 1935
Oct 1975–Sep 1979
48-Month
180.89"
(4,594.61mm)
173.15"
(4,398.01mm)
7.74"
(196.60mm)
84th Driest Driest since: 1978 1966
40th Wettest Wettest since: 1976 1936
Oct 1974–Sep 1979
60-Month
232.89"
(5,915.41mm)
216.34"
(5,495.04mm)
16.55"
(420.37mm)
107th Driest Driest since: 1978 1966
16th Wettest Wettest since: 1975 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/