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 1989

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1989
1-Month
8.42"
(213.87mm)
4.31"
(109.47mm)
4.11"
(104.40mm)
123rd Driest
Driest since:
1974
6th Wettest
Wettest since:
1938
Jun–Jul 1989
2-Month
15.07"
(382.78mm)
7.95"
(201.93mm)
7.12"
(180.85mm)
125th Driest
Driest since:
1949
4th Wettest
Wettest since:
2013
May–Jul 1989
3-Month
20.15"
(511.81mm)
11.50"
(292.10mm)
8.65"
(219.71mm)
128th Driest
Driest since:
1964
1st Wettest
Wettest to Date
1989
Apr–Jul 1989
4-Month
25.13"
(638.30mm)
14.98"
(380.49mm)
10.15"
(257.81mm)
128th Driest
Driest since:
1986
1st Wettest
Wettest to Date
1989
Mar–Jul 1989
5-Month
31.51"
(800.35mm)
18.96"
(481.58mm)
12.55"
(318.77mm)
128th Driest
Driest since:
1986
1st Wettest
Wettest to Date
1989
Feb–Jul 1989
6-Month
34.82"
(884.43mm)
22.01"
(559.05mm)
12.81"
(325.38mm)
128th Driest
Driest since:
1986
1st Wettest
Wettest to Date
1989
Jan–Jul 1989
7-Month
37.48"
(951.99mm)
25.50"
(647.70mm)
11.98"
(304.29mm)
128th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1989
Dec 1988–Jul 1989
8-Month
38.20"
(970.28mm)
28.96"
(735.58mm)
9.24"
(234.70mm)
123rd Driest
Driest since:
1986
5th Wettest
Wettest since:
1958
Ties: 1979
Nov 1988–Jul 1989
9-Month
43.14"
(1,095.76mm)
32.02"
(813.31mm)
11.12"
(282.45mm)
124th Driest
Driest since:
1977
4th Wettest
Wettest since:
1984
Oct 1988–Jul 1989
10-Month
45.66"
(1,159.76mm)
35.18"
(893.57mm)
10.48"
(266.19mm)
122nd Driest
Driest since:
2002
6th Wettest
Wettest since:
2003
Sep 1988–Jul 1989
11-Month
48.17"
(1,223.52mm)
38.77"
(984.76mm)
9.40"
(238.76mm)
113th Driest
Driest since:
2002
15th Wettest
Wettest since:
2003
Aug 1988–Jul 1989
12-Month
51.89"
(1,318.01mm)
43.35"
(1,101.09mm)
8.54"
(216.92mm)
113th Driest
Driest since:
1985
15th Wettest
Wettest since:
2003
Feb 1988–Jul 1989
18-Month
73.03"
(1,854.96mm)
65.29"
(1,658.37mm)
7.74"
(196.59mm)
101st Driest
Driest since:
1931
27th Wettest
Wettest since:
1984
Aug 1987–Jul 1989
24-Month
90.45"
(2,297.43mm)
86.54"
(2,198.12mm)
3.91"
(99.31mm)
81st Driest
Driest since:
1931
46th Wettest
Wettest since:
2004
Aug 1986–Jul 1989
36-Month
132.43"
(3,363.72mm)
129.85"
(3,298.19mm)
2.58"
(65.53mm)
65th Driest
Driest since:
1966
61st Wettest
Wettest since:
2005
Aug 1985–Jul 1989
48-Month
169.88"
(4,314.95mm)
173.06"
(4,395.72mm)
-3.18"
(-80.77mm)
46th Driest
Driest since:
1966
79th Wettest
Wettest since:
1938
Aug 1984–Jul 1989
60-Month
199.58"
(5,069.33mm)
216.21"
(5,491.73mm)
-16.63"
(-422.40mm)
9th Driest
Driest since:
1966
115th Wettest
Wettest since:
1938

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