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, July 1901

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1901
1-Month
5.57"
(141.48mm)
4.31"
(109.47mm)
1.26"
(32.01mm)
98th Driest
Driest since:
1974
31st Wettest
Wettest since:
1938
Jun–Jul 1901
2-Month
7.82"
(198.63mm)
7.95"
(201.93mm)
-0.13"
(-3.30mm)
63rd Driest
Driest since:
1949
66th Wettest
Wettest since:
2013
May–Jul 1901
3-Month
11.36"
(288.54mm)
11.50"
(292.10mm)
-0.14"
(-3.56mm)
63rd Driest
Driest since:
1964
66th Wettest
Wettest since:
1989
Apr–Jul 1901
4-Month
16.37"
(415.80mm)
14.98"
(380.49mm)
1.39"
(35.31mm)
86th Driest
Driest since:
1986
43rd Wettest
Wettest since:
1989
Mar–Jul 1901
5-Month
19.63"
(498.60mm)
18.96"
(481.58mm)
0.67"
(17.02mm)
75th Driest
Driest since:
1986
54th Wettest
Wettest since:
1989
Feb–Jul 1901
6-Month
20.25"
(514.35mm)
22.01"
(559.05mm)
-1.76"
(-44.70mm)
42nd Driest
Driest since:
1986
87th Wettest
Wettest since:
1989
Jan–Jul 1901
7-Month
23.13"
(587.50mm)
25.50"
(647.70mm)
-2.37"
(-60.20mm)
37th Driest
Driest since:
1977
92nd Wettest
Wettest since:
1989
Dec 1900–Jul 1901
8-Month
25.74"
(653.80mm)
28.96"
(735.58mm)
-3.22"
(-81.78mm)
32nd Driest
Driest since:
1986
96th Wettest
Wettest since:
1958
Nov 1900–Jul 1901
9-Month
28.39"
(721.11mm)
32.02"
(813.31mm)
-3.63"
(-92.20mm)
33rd Driest
Driest since:
1977
95th Wettest
Wettest since:
1984
Oct 1900–Jul 1901
10-Month
30.74"
(780.80mm)
35.18"
(893.57mm)
-4.44"
(-112.77mm)
28th Driest
Driest since:
2002
100th Wettest
Wettest since:
2003
Sep 1900–Jul 1901
11-Month
35.45"
(900.43mm)
38.77"
(984.76mm)
-3.32"
(-84.33mm)
37th Driest
Driest since:
2002
91st Wettest
Wettest since:
2003
Aug 1900–Jul 1901
12-Month
38.95"
(989.33mm)
43.35"
(1,101.09mm)
-4.40"
(-111.76mm)
36th Driest
Driest since:
1985
92nd Wettest
Wettest since:
2003
Feb 1900–Jul 1901
18-Month
59.58"
(1,513.33mm)
65.29"
(1,658.37mm)
-5.71"
(-145.04mm)
29th Driest
Driest since:
1931
99th Wettest
Wettest since:
1984
Aug 1899–Jul 1901
24-Month
76.85"
(1,951.99mm)
86.54"
(2,198.12mm)
-9.69"
(-246.13mm)
16th Driest
Driest since:
1931
111th Wettest
Wettest since:
2004
Aug 1898–Jul 1901
36-Month
122.33"
(3,107.18mm)
129.85"
(3,298.19mm)
-7.52"
(-191.01mm)
23rd Driest
Driest since:
1966
103rd Wettest
Wettest since:
2005
Aug 1897–Jul 1901
48-Month
161.62"
(4,105.15mm)
173.06"
(4,395.72mm)
-11.44"
(-290.57mm)
15th Driest
Driest since:
1966
110th Wettest
Wettest since:
1938
Aug 1896–Jul 1901
60-Month
201.93"
(5,129.02mm)
216.21"
(5,491.73mm)
-14.28"
(-362.71mm)
14th Driest
Driest since:
1966
110th Wettest
Wettest to Date
1938

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