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 1989

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1989
1-Month
5.57"
(141.48mm)
3.60"
(91.44mm)
1.97"
(50.04mm)
107th Driest Driest since: 1988 1941
21st Wettest Wettest since: 1985 1935
Aug–Sep 1989
2-Month
10.91"
(277.11mm)
8.19"
(208.03mm)
2.72"
(69.08mm)
106th Driest Driest since: 1988 2005
22nd Wettest Wettest since: 1985 1928
Jul–Sep 1989
3-Month
19.33"
(490.98mm)
12.51"
(317.75mm)
6.82"
(173.23mm)
120th Driest Driest since: 1988 1968
8th Wettest Wettest since: 1967 1938
Jun–Sep 1989
4-Month
25.98"
(659.89mm)
16.14"
(409.96mm)
9.84"
(249.93mm)
126th Driest Driest since: 1988 1968
2nd Wettest Wettest since: 1938 1938
May–Sep 1989
5-Month
31.06"
(788.92mm)
19.70"
(500.38mm)
11.36"
(288.54mm)
127th Driest Driest since: 1988 1964
1st Wettest Wettest to Date 1989
Apr–Sep 1989
6-Month
36.04"
(915.42mm)
23.18"
(588.77mm)
12.86"
(326.65mm)
127th Driest Driest since: 1988 1986
1st Wettest Wettest to Date 1989
Mar–Sep 1989
7-Month
42.42"
(1,077.47mm)
27.16"
(689.86mm)
15.26"
(387.61mm)
127th Driest Driest since: 1988 1986
1st Wettest Wettest to Date 1989
Feb–Sep 1989
8-Month
45.73"
(1,161.54mm)
30.20"
(767.08mm)
15.53"
(394.46mm)
127th Driest Driest since: 1988 1930
1st Wettest Wettest to Date 1989
Jan–Sep 1989
9-Month
48.39"
(1,229.11mm)
33.69"
(855.73mm)
14.70"
(373.38mm)
127th Driest Driest since: 1988 1930
1st Wettest Wettest to Date 1989
Dec 1988–Sep 1989
10-Month
49.11"
(1,247.39mm)
37.15"
(943.61mm)
11.96"
(303.78mm)
123rd Driest Driest since: 1988 1986
4th Wettest Wettest since: 1979 1958
Nov 1988–Sep 1989
11-Month
54.05"
(1,372.87mm)
40.22"
(1,021.59mm)
13.83"
(351.28mm)
125th Driest Driest since: 1988 1930
2nd Wettest Wettest since: 1958 1958
Oct 1988–Sep 1989
12-Month
56.57"
(1,436.88mm)
43.37"
(1,101.60mm)
13.20"
(335.28mm)
123rd Driest Driest since: 1988 1986
4th Wettest Wettest since: 1958 2003
Apr 1988–Sep 1989
18-Month
77.05"
(1,957.07mm)
66.48"
(1,688.59mm)
10.57"
(268.48mm)
110th Driest Driest since: 1988 1966
17th Wettest Wettest since: 1984 2010
Oct 1987–Sep 1989
24-Month
96.00"
(2,438.40mm)
86.63"
(2,200.40mm)
9.37"
(238.00mm)
101st Driest Driest since: 1988 1966
25th Wettest Wettest since: 1984 2004
Oct 1986–Sep 1989
36-Month
137.62"
(3,495.55mm)
129.92"
(3,299.97mm)
7.70"
(195.58mm)
83rd Driest Driest since: 1988 1966
42nd Wettest Wettest since: 1985 1935
Oct 1985–Sep 1989
48-Month
167.87"
(4,263.90mm)
173.15"
(4,398.01mm)
-5.28"
(-134.11mm)
37th Driest Driest since: 1988 1966
87th Wettest Wettest since: 1986 1936
Oct 1984–Sep 1989
60-Month
206.68"
(5,249.67mm)
216.34"
(5,495.04mm)
-9.66"
(-245.37mm)
25th Driest Driest since: 1988 1966
98th Wettest Wettest since: 1987 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/