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 1977

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
July 1977
1-Month
2.17"
(55.12mm)
4.31"
(109.47mm)
-2.14"
(-54.35mm)
13th Driest
Driest since:
1974
116th Wettest
Wettest since:
1938
Jun–Jul 1977
2-Month
5.59"
(141.99mm)
7.95"
(201.93mm)
-2.36"
(-59.94mm)
20th Driest
Driest since:
1949
109th Wettest
Wettest since:
2013
May–Jul 1977
3-Month
7.27"
(184.66mm)
11.50"
(292.10mm)
-4.23"
(-107.44mm)
9th Driest
Driest since:
1964
120th Wettest
Wettest since:
1989
Apr–Jul 1977
4-Month
9.96"
(252.98mm)
14.98"
(380.49mm)
-5.02"
(-127.51mm)
5th Driest
Driest since:
1986
124th Wettest
Wettest since:
1989
Mar–Jul 1977
5-Month
12.55"
(318.77mm)
18.96"
(481.58mm)
-6.41"
(-162.81mm)
5th Driest
Driest since:
1986
124th Wettest
Wettest since:
1989
Feb–Jul 1977
6-Month
14.16"
(359.66mm)
22.01"
(559.05mm)
-7.85"
(-199.39mm)
3rd Driest
Driest since:
1986
126th Wettest
Wettest since:
1989
Jan–Jul 1977
7-Month
16.57"
(420.88mm)
25.50"
(647.70mm)
-8.93"
(-226.82mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1989
Dec 1976–Jul 1977
8-Month
19.27"
(489.46mm)
28.96"
(735.58mm)
-9.69"
(-246.12mm)
2nd Driest
Driest to Date
1986
126th Wettest
Wettest since:
1958
Nov 1976–Jul 1977
9-Month
20.27"
(514.86mm)
32.02"
(813.31mm)
-11.75"
(-298.45mm)
1st Driest
Driest to Date
1977
127th Wettest
Wettest since:
1984
Oct 1976–Jul 1977
10-Month
28.14"
(714.76mm)
35.18"
(893.57mm)
-7.04"
(-178.81mm)
12th Driest
Driest since:
2002
116th Wettest
Wettest since:
2003
Sep 1976–Jul 1977
11-Month
31.61"
(802.89mm)
38.77"
(984.76mm)
-7.16"
(-181.87mm)
13th Driest
Driest since:
2002
115th Wettest
Wettest since:
2003
Aug 1976–Jul 1977
12-Month
35.83"
(910.08mm)
43.35"
(1,101.09mm)
-7.52"
(-191.01mm)
12th Driest
Driest since:
1985
116th Wettest
Wettest since:
2003
Feb 1976–Jul 1977
18-Month
49.71"
(1,262.63mm)
65.29"
(1,658.37mm)
-15.58"
(-395.74mm)
3rd Driest
Driest since:
1931
125th Wettest
Wettest since:
1984
Aug 1975–Jul 1977
24-Month
74.38"
(1,889.25mm)
86.54"
(2,198.12mm)
-12.16"
(-308.87mm)
8th Driest
Driest since:
1931
119th Wettest
Wettest since:
2004
Ties: 1963
Aug 1974–Jul 1977
36-Month
126.08"
(3,202.43mm)
129.85"
(3,298.19mm)
-3.77"
(-95.76mm)
41st Driest
Driest since:
1966
85th Wettest
Wettest since:
2005
Aug 1973–Jul 1977
48-Month
167.29"
(4,249.17mm)
173.06"
(4,395.72mm)
-5.77"
(-146.55mm)
33rd Driest
Driest since:
1966
92nd Wettest
Wettest since:
1938
Aug 1972–Jul 1977
60-Month
214.85"
(5,457.19mm)
216.21"
(5,491.73mm)
-1.36"
(-34.54mm)
49th Driest
Driest since:
1966
75th Wettest
Wettest since:
1938

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