Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Delaware

Precipitation Rankings, September 2008

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 2008
1-Month
4.38"
(111.25mm)
3.60"
(91.44mm)
0.78"
(19.81mm)
95th Driest
Driest since:
1941
34th Wettest
Wettest since:
1935
Aug–Sep 2008
2-Month
5.40"
(137.16mm)
8.19"
(208.03mm)
-2.79"
(-70.87mm)
22nd Driest
Driest since:
2005
107th Wettest
Wettest since:
1928
Ties: 1980
Jul–Sep 2008
3-Month
9.91"
(251.71mm)
12.51"
(317.75mm)
-2.60"
(-66.04mm)
35th Driest
Driest since:
1968
94th Wettest
Wettest since:
1938
Jun–Sep 2008
4-Month
13.31"
(338.07mm)
16.14"
(409.96mm)
-2.83"
(-71.89mm)
34th Driest
Driest since:
1968
95th Wettest
Wettest since:
1938
May–Sep 2008
5-Month
18.86"
(479.04mm)
19.70"
(500.38mm)
-0.84"
(-21.34mm)
57th Driest
Driest since:
1964
72nd Wettest
Wettest since:
1989
Ties: 1981
Apr–Sep 2008
6-Month
22.20"
(563.88mm)
23.18"
(588.77mm)
-0.98"
(-24.89mm)
60th Driest
Driest since:
1986
69th Wettest
Wettest since:
1989
Mar–Sep 2008
7-Month
25.28"
(642.11mm)
27.16"
(689.86mm)
-1.88"
(-47.75mm)
48th Driest
Driest since:
1986
81st Wettest
Wettest since:
1989
Feb–Sep 2008
8-Month
28.94"
(735.08mm)
30.20"
(767.08mm)
-1.26"
(-32.00mm)
51st Driest
Driest since:
1930
78th Wettest
Wettest since:
1989
Ties: 1908
Jan–Sep 2008
9-Month
30.80"
(782.32mm)
33.69"
(855.73mm)
-2.89"
(-73.41mm)
43rd Driest
Driest since:
1930
86th Wettest
Wettest since:
1989
Ties: 1916
Dec 2007–Sep 2008
10-Month
35.40"
(899.16mm)
37.15"
(943.61mm)
-1.75"
(-44.45mm)
51st Driest
Driest since:
1986
77th Wettest
Wettest since:
1958
Nov 2007–Sep 2008
11-Month
36.93"
(938.02mm)
40.22"
(1,021.59mm)
-3.29"
(-83.57mm)
43rd Driest
Driest since:
1930
85th Wettest
Wettest since:
1958
Oct 2007–Sep 2008
12-Month
41.71"
(1,059.43mm)
43.37"
(1,101.60mm)
-1.66"
(-42.17mm)
56th Driest
Driest since:
1986
72nd Wettest
Wettest since:
2003
Apr 2007–Sep 2008
18-Month
59.34"
(1,507.24mm)
66.48"
(1,688.59mm)
-7.14"
(-181.35mm)
21st Driest
Driest since:
1966
107th Wettest
Wettest since:
2010
Oct 2006–Sep 2008
24-Month
82.31"
(2,090.67mm)
86.63"
(2,200.40mm)
-4.32"
(-109.73mm)
40th Driest
Driest since:
1966
87th Wettest
Wettest since:
2004
Oct 2005–Sep 2008
36-Month
131.20"
(3,332.48mm)
129.92"
(3,299.97mm)
1.28"
(32.51mm)
61st Driest
Driest since:
1966
65th Wettest
Wettest since:
1935
Oct 2004–Sep 2008
48-Month
172.10"
(4,371.34mm)
173.15"
(4,398.01mm)
-1.05"
(-26.67mm)
51st Driest
Driest since:
1966
74th Wettest
Wettest since:
1936
Oct 2003–Sep 2008
60-Month
222.38"
(5,648.45mm)
216.34"
(5,495.04mm)
6.04"
(153.41mm)
74th Driest
Driest since:
1966
50th Wettest
Wettest since:
1937

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