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 1930

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
July 1930
1-Month
3.42"
(86.87mm)
4.31"
(109.47mm)
-0.89"
(-22.60mm)
47th Driest
Driest since:
1974
82nd Wettest
Wettest since:
1938
Jun–Jul 1930
2-Month
6.22"
(157.99mm)
7.95"
(201.93mm)
-1.73"
(-43.94mm)
33rd Driest
Driest since:
1949
96th Wettest
Wettest since:
2013
May–Jul 1930
3-Month
8.79"
(223.27mm)
11.50"
(292.10mm)
-2.71"
(-68.83mm)
24th Driest
Driest since:
1964
105th Wettest
Wettest since:
1989
Apr–Jul 1930
4-Month
10.70"
(271.78mm)
14.98"
(380.49mm)
-4.28"
(-108.71mm)
12th Driest
Driest since:
1986
117th Wettest
Wettest since:
1989
Mar–Jul 1930
5-Month
12.56"
(319.02mm)
18.96"
(481.58mm)
-6.40"
(-162.56mm)
6th Driest
Driest since:
1986
123rd Wettest
Wettest since:
1989
Feb–Jul 1930
6-Month
14.51"
(368.55mm)
22.01"
(559.05mm)
-7.50"
(-190.50mm)
4th Driest
Driest since:
1986
125th Wettest
Wettest since:
1989
Jan–Jul 1930
7-Month
17.99"
(456.95mm)
25.50"
(647.70mm)
-7.51"
(-190.75mm)
5th Driest
Driest since:
1977
124th Wettest
Wettest since:
1989
Dec 1929–Jul 1930
8-Month
20.50"
(520.70mm)
28.96"
(735.58mm)
-8.46"
(-214.88mm)
4th Driest
Driest since:
1986
124th Wettest
Wettest since:
1958
Nov 1929–Jul 1930
9-Month
23.01"
(584.45mm)
32.02"
(813.31mm)
-9.01"
(-228.86mm)
3rd Driest
Driest since:
1977
125th Wettest
Wettest since:
1984
Oct 1929–Jul 1930
10-Month
27.25"
(692.15mm)
35.18"
(893.57mm)
-7.93"
(-201.42mm)
8th Driest
Driest since:
2002
120th Wettest
Wettest since:
2003
Sep 1929–Jul 1930
11-Month
31.01"
(787.65mm)
38.77"
(984.76mm)
-7.76"
(-197.11mm)
11th Driest
Driest since:
2002
117th Wettest
Wettest since:
2003
Ties: 1965
Aug 1929–Jul 1930
12-Month
33.29"
(845.57mm)
43.35"
(1,101.09mm)
-10.06"
(-255.52mm)
6th Driest
Driest since:
1985
122nd Wettest
Wettest since:
2003
Feb 1929–Jul 1930
18-Month
55.39"
(1,406.91mm)
65.29"
(1,658.37mm)
-9.90"
(-251.46mm)
13th Driest
Driest since:
1931
115th Wettest
Wettest since:
1984
Aug 1928–Jul 1930
24-Month
78.41"
(1,991.61mm)
86.54"
(2,198.12mm)
-8.13"
(-206.51mm)
22nd Driest
Driest since:
1931
105th Wettest
Wettest since:
2004
Aug 1927–Jul 1930
36-Month
120.90"
(3,070.86mm)
129.85"
(3,298.19mm)
-8.95"
(-227.33mm)
18th Driest
Driest since:
1966
108th Wettest
Wettest since:
2005
Aug 1926–Jul 1930
48-Month
163.62"
(4,155.95mm)
173.06"
(4,395.72mm)
-9.44"
(-239.77mm)
21st Driest
Driest since:
1966
104th Wettest
Wettest since:
1938
Aug 1925–Jul 1930
60-Month
201.32"
(5,113.53mm)
216.21"
(5,491.73mm)
-14.89"
(-378.20mm)
12th Driest
Driest since:
1966
112th Wettest
Wettest since:
1938

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