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 2004

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 2004
1-Month 		5.85"
(148.59mm)		 4.31"
(109.47mm)		 1.54"
(39.12mm)		 104th Driest
Driest since:
 1974
25th Wettest
Wettest since:
 1938
Jun–Jul 2004
2-Month 		9.28"
(235.71mm)		 7.95"
(201.93mm)		 1.33"
(33.78mm)		 91st Driest
Driest since:
 1949
38th Wettest
Wettest since:
 2013
May–Jul 2004
3-Month 		12.43"
(315.72mm)		 11.50"
(292.10mm)		 0.93"
(23.62mm)		 76th Driest
Driest since:
 1964
53rd Wettest
Wettest since:
 1989
Apr–Jul 2004
4-Month 		17.93"
(455.42mm)		 14.98"
(380.49mm)		 2.95"
(74.93mm)		 106th Driest
Driest since:
 1986
23rd Wettest
Wettest since:
 1989
Ties: 2005
Mar–Jul 2004
5-Month 		20.63"
(524.00mm)		 18.96"
(481.58mm)		 1.67"
(42.42mm)		 90th Driest
Driest since:
 1986
39th Wettest
Wettest since:
 1989
Feb–Jul 2004
6-Month 		22.84"
(580.14mm)		 22.01"
(559.05mm)		 0.83"
(21.09mm)		 77th Driest
Driest since:
 1986
52nd Wettest
Wettest since:
 1989
Jan–Jul 2004
7-Month 		25.15"
(638.81mm)		 25.50"
(647.70mm)		 -0.35"
(-8.89mm)		 66th Driest
Driest since:
 1977
63rd Wettest
Wettest since:
 1989
Dec 2003–Jul 2004
8-Month 		30.98"
(786.89mm)		 28.96"
(735.58mm)		 2.02"
(51.31mm)		 84th Driest
Driest since:
 1986
44th Wettest
Wettest since:
 1958
Nov 2003–Jul 2004
9-Month 		36.05"
(915.67mm)		 32.02"
(813.31mm)		 4.03"
(102.36mm)		 98th Driest
Driest since:
 1977
30th Wettest
Wettest since:
 1984
Oct 2003–Jul 2004
10-Month 		39.99"
(1,015.75mm)		 35.18"
(893.57mm)		 4.81"
(122.18mm)		 101st Driest
Driest since:
 2002
27th Wettest
Wettest since:
 2003
Sep 2003–Jul 2004
11-Month 		45.83"
(1,164.08mm)		 38.77"
(984.76mm)		 7.06"
(179.32mm)		 108th Driest
Driest since:
 2002
20th Wettest
Wettest since:
 2003
Aug 2003–Jul 2004
12-Month 		51.00"
(1,295.40mm)		 43.35"
(1,101.09mm)		 7.65"
(194.31mm)		 107th Driest
Driest since:
 1985
21st Wettest
Wettest since:
 2003
Feb 2003–Jul 2004
18-Month 		81.38"
(2,067.05mm)		 65.29"
(1,658.37mm)		 16.09"
(408.68mm)		 125th Driest
Driest since:
 1931
3rd Wettest
Wettest since:
 1984
Aug 2002–Jul 2004
24-Month 		108.91"
(2,766.31mm)		 86.54"
(2,198.12mm)		 22.37"
(568.19mm)		 126th Driest
Driest since:
 1931
1st Wettest
Wettest to Date
 2004
Aug 2001–Jul 2004
36-Month 		141.35"
(3,590.29mm)		 129.85"
(3,298.19mm)		 11.50"
(292.10mm)		 108th Driest
Driest since:
 1966
18th Wettest
Wettest since:
 2005
Aug 2000–Jul 2004
48-Month 		184.26"
(4,680.20mm)		 173.06"
(4,395.72mm)		 11.20"
(284.48mm)		 98th Driest
Driest since:
 1966
27th Wettest
Wettest since:
 1938
Aug 1999–Jul 2004
60-Month 		238.42"
(6,055.87mm)		 216.21"
(5,491.73mm)		 22.21"
(564.14mm)		 114th Driest
Driest since:
 1966
10th Wettest
Wettest since:
 1938

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