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 1938

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1938
1-Month
10.72"
(272.29mm)
4.31"
(109.47mm)
6.41"
(162.82mm)
128th Driest
Driest since:
1974
1st Wettest
Wettest to Date
1938
Jun–Jul 1938
2-Month
15.64"
(397.26mm)
7.95"
(201.93mm)
7.69"
(195.33mm)
127th Driest
Driest since:
1949
2nd Wettest
Wettest to Date
2013
May–Jul 1938
3-Month
19.44"
(493.78mm)
11.50"
(292.10mm)
7.94"
(201.68mm)
125th Driest
Driest since:
1964
4th Wettest
Wettest to Date
1989
Apr–Jul 1938
4-Month
21.45"
(544.83mm)
14.98"
(380.49mm)
6.47"
(164.34mm)
122nd Driest
Driest since:
1986
7th Wettest
Wettest since:
1989
Mar–Jul 1938
5-Month
24.34"
(618.24mm)
18.96"
(481.58mm)
5.38"
(136.66mm)
117th Driest
Driest since:
1986
12th Wettest
Wettest since:
1989
Feb–Jul 1938
6-Month
27.21"
(691.13mm)
22.01"
(559.05mm)
5.20"
(132.08mm)
111th Driest
Driest since:
1986
18th Wettest
Wettest since:
1989
Jan–Jul 1938
7-Month
30.20"
(767.08mm)
25.50"
(647.70mm)
4.70"
(119.38mm)
109th Driest
Driest since:
1977
20th Wettest
Wettest since:
1989
Ties: 1978
Dec 1937–Jul 1938
8-Month
31.46"
(799.08mm)
28.96"
(735.58mm)
2.50"
(63.50mm)
92nd Driest
Driest since:
1986
36th Wettest
Wettest since:
1958
Nov 1937–Jul 1938
9-Month
35.69"
(906.53mm)
32.02"
(813.31mm)
3.67"
(93.22mm)
95th Driest
Driest since:
1977
33rd Wettest
Wettest since:
1984
Ties: 1936
Oct 1937–Jul 1938
10-Month
41.64"
(1,057.66mm)
35.18"
(893.57mm)
6.46"
(164.09mm)
106th Driest
Driest since:
2002
22nd Wettest
Wettest since:
2003
Sep 1937–Jul 1938
11-Month
43.23"
(1,098.04mm)
38.77"
(984.76mm)
4.46"
(113.28mm)
96th Driest
Driest since:
2002
32nd Wettest
Wettest since:
2003
Aug 1937–Jul 1938
12-Month
51.23"
(1,301.24mm)
43.35"
(1,101.09mm)
7.88"
(200.15mm)
109th Driest
Driest since:
1985
19th Wettest
Wettest since:
2003
Feb 1937–Jul 1938
18-Month
74.32"
(1,887.73mm)
65.29"
(1,658.37mm)
9.03"
(229.36mm)
110th Driest
Driest since:
1931
18th Wettest
Wettest since:
1984
Aug 1936–Jul 1938
24-Month
101.95"
(2,589.53mm)
86.54"
(2,198.12mm)
15.41"
(391.41mm)
120th Driest
Driest since:
1931
7th Wettest
Wettest since:
2004
Aug 1935–Jul 1938
36-Month
155.71"
(3,955.03mm)
129.85"
(3,298.19mm)
25.86"
(656.84mm)
124th Driest
Driest since:
1966
2nd Wettest
Wettest to Date
2005
Aug 1934–Jul 1938
48-Month
204.12"
(5,184.65mm)
173.06"
(4,395.72mm)
31.06"
(788.93mm)
124th Driest
Driest since:
1966
1st Wettest
Wettest to Date
1938
Aug 1933–Jul 1938
60-Month
253.53"
(6,439.66mm)
216.21"
(5,491.73mm)
37.32"
(947.93mm)
123rd Driest
Driest since:
1966
1st Wettest
Wettest to Date
1938

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