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 2004

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 2004
1-Month
3.78"
(96.01mm)
3.60"
(91.44mm)
0.18"
(4.57mm)
81st Driest
Driest since:
1941
48th Wettest
Wettest since:
1935
Ties: 1983
Aug–Sep 2004
2-Month
10.29"
(261.37mm)
8.19"
(208.03mm)
2.10"
(53.34mm)
101st Driest
Driest since:
2005
28th Wettest
Wettest since:
1928
Jul–Sep 2004
3-Month
16.14"
(409.96mm)
12.50"
(317.50mm)
3.64"
(92.46mm)
104th Driest
Driest since:
1968
25th Wettest
Wettest since:
1938
Jun–Sep 2004
4-Month
19.57"
(497.08mm)
16.14"
(409.96mm)
3.43"
(87.12mm)
100th Driest
Driest since:
1968
29th Wettest
Wettest since:
1938
May–Sep 2004
5-Month
22.72"
(577.09mm)
19.70"
(500.38mm)
3.02"
(76.71mm)
97th Driest
Driest since:
1964
32nd Wettest
Wettest since:
1989
Apr–Sep 2004
6-Month
28.22"
(716.79mm)
23.18"
(588.77mm)
5.04"
(128.02mm)
106th Driest
Driest since:
1986
23rd Wettest
Wettest since:
1989
Mar–Sep 2004
7-Month
30.92"
(785.37mm)
27.16"
(689.86mm)
3.76"
(95.51mm)
101st Driest
Driest since:
1986
28th Wettest
Wettest since:
1989
Feb–Sep 2004
8-Month
33.13"
(841.50mm)
30.20"
(767.08mm)
2.93"
(74.42mm)
92nd Driest
Driest since:
1930
37th Wettest
Wettest since:
1989
Jan–Sep 2004
9-Month
35.44"
(900.18mm)
33.69"
(855.73mm)
1.75"
(44.45mm)
83rd Driest
Driest since:
1930
46th Wettest
Wettest since:
1989
Dec 2003–Sep 2004
10-Month
41.27"
(1,048.26mm)
37.15"
(943.61mm)
4.12"
(104.65mm)
94th Driest
Driest since:
1986
34th Wettest
Wettest since:
1958
Nov 2003–Sep 2004
11-Month
46.34"
(1,177.04mm)
40.22"
(1,021.59mm)
6.12"
(155.45mm)
103rd Driest
Driest since:
1930
25th Wettest
Wettest since:
1958
Oct 2003–Sep 2004
12-Month
50.28"
(1,277.11mm)
43.37"
(1,101.60mm)
6.91"
(175.51mm)
106th Driest
Driest since:
1986
22nd Wettest
Wettest since:
2003
Apr 2003–Sep 2004
18-Month
81.29"
(2,064.77mm)
66.48"
(1,688.59mm)
14.81"
(376.18mm)
124th Driest
Driest since:
1966
4th Wettest
Wettest since:
2010
Oct 2002–Sep 2004
24-Month
110.18"
(2,798.57mm)
86.63"
(2,200.40mm)
23.55"
(598.17mm)
126th Driest
Driest since:
1966
1st Wettest
Wettest to Date
2004
Oct 2001–Sep 2004
36-Month
143.27"
(3,639.06mm)
129.92"
(3,299.97mm)
13.35"
(339.09mm)
108th Driest
Driest since:
1966
18th Wettest
Wettest since:
1935
Oct 2000–Sep 2004
48-Month
184.52"
(4,686.81mm)
173.15"
(4,398.01mm)
11.37"
(288.80mm)
103rd Driest
Driest since:
1966
22nd Wettest
Wettest since:
1936
Oct 1999–Sep 2004
60-Month
233.82"
(5,939.03mm)
216.34"
(5,495.04mm)
17.48"
(443.99mm)
109th Driest
Driest since:
1966
15th Wettest
Wettest since:
1937

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