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 1987

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1987
1-Month
3.73"
(94.74mm)
3.60"
(91.44mm)
0.13"
(3.30mm)
75th Driest Driest since: 1986 1941
53rd Wettest Wettest since: 1985 1935
Aug–Sep 1987
2-Month
5.36"
(136.14mm)
8.19"
(208.03mm)
-2.83"
(-71.89mm)
20th Driest Driest since: 1984 2005
108th Wettest Wettest since: 1986 1928
Jul–Sep 1987
3-Month
8.70"
(220.98mm)
12.50"
(317.50mm)
-3.80"
(-96.52mm)
20th Driest Driest since: 1980 1968
108th Wettest Wettest since: 1986 1938
Jun–Sep 1987
4-Month
10.73"
(272.54mm)
16.14"
(409.96mm)
-5.41"
(-137.42mm)
8th Driest Driest since: 1968 1968
120th Wettest Wettest since: 1986 1938
May–Sep 1987
5-Month
13.93"
(353.82mm)
19.70"
(500.38mm)
-5.77"
(-146.56mm)
12th Driest Driest since: 1986 1964
116th Wettest Wettest since: 1985 1989
Apr–Sep 1987
6-Month
16.92"
(429.77mm)
23.18"
(588.77mm)
-6.26"
(-159.00mm)
9th Driest Driest since: 1986 1986
119th Wettest Wettest since: 1985 1989
Mar–Sep 1987
7-Month
19.57"
(497.08mm)
27.16"
(689.86mm)
-7.59"
(-192.78mm)
6th Driest Driest since: 1986 1986
122nd Wettest Wettest since: 1985 1989
Feb–Sep 1987
8-Month
21.32"
(541.53mm)
30.20"
(767.08mm)
-8.88"
(-225.55mm)
5th Driest Driest since: 1986 1930
123rd Wettest Wettest since: 1985 1989
Jan–Sep 1987
9-Month
27.55"
(699.77mm)
33.69"
(855.73mm)
-6.14"
(-155.96mm)
16th Driest Driest since: 1986 1930
112th Wettest Wettest since: 1985 1989
Dec 1986–Sep 1987
10-Month
34.11"
(866.39mm)
37.15"
(943.61mm)
-3.04"
(-77.22mm)
41st Driest Driest since: 1986 1986
86th Wettest Wettest since: 1984 1958
Nov 1986–Sep 1987
11-Month
38.72"
(983.49mm)
40.22"
(1,021.59mm)
-1.50"
(-38.10mm)
55th Driest Driest since: 1986 1930
72nd Wettest Wettest since: 1984 1958
Oct 1986–Sep 1987
12-Month
41.62"
(1,057.15mm)
43.37"
(1,101.60mm)
-1.75"
(-44.45mm)
54th Driest Driest since: 1986 1986
73rd Wettest Wettest since: 1984 2003
Apr 1986–Sep 1987
18-Month
55.94"
(1,420.88mm)
66.48"
(1,688.59mm)
-10.54"
(-267.71mm)
10th Driest Driest since: 1986 1966
117th Wettest Wettest since: 1985 2010
Oct 1985–Sep 1987
24-Month
71.87"
(1,825.50mm)
86.63"
(2,200.40mm)
-14.76"
(-374.90mm)
6th Driest Driest since: 1986 1966
120th Wettest Wettest since: 1985 2004
Oct 1984–Sep 1987
36-Month
110.68"
(2,811.27mm)
129.92"
(3,299.97mm)
-19.24"
(-488.70mm)
5th Driest Driest since: 1966 1966
120th Wettest Wettest since: 1986 1935
Oct 1983–Sep 1987
48-Month
162.60"
(4,130.04mm)
173.15"
(4,398.01mm)
-10.55"
(-267.97mm)
15th Driest Driest since: 1969 1966
109th Wettest Wettest since: 1986 1936
Oct 1982–Sep 1987
60-Month
211.28"
(5,366.51mm)
216.34"
(5,495.04mm)
-5.06"
(-128.53mm)
36th Driest Driest since: 1986 1966
87th Wettest Wettest since: 1985 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 6, 2021 from https://www.ncdc.noaa.gov/cag/