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 1929

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 1929
1-Month 		1.71"
(43.43mm)		 4.31"
(109.47mm)		 -2.60"
(-66.04mm)		 5th Driest
Driest to Date
 1974
124th Wettest
Wettest since:
 1938
Jun–Jul 1929
2-Month 		5.61"
(142.49mm)		 7.95"
(201.93mm)		 -2.34"
(-59.44mm)		 21st Driest
Driest since:
 1949
108th Wettest
Wettest since:
 2013
May–Jul 1929
3-Month 		7.69"
(195.33mm)		 11.50"
(292.10mm)		 -3.81"
(-96.77mm)		 13th Driest
Driest since:
 1964
116th Wettest
Wettest since:
 1989
Apr–Jul 1929
4-Month 		13.82"
(351.03mm)		 14.98"
(380.49mm)		 -1.16"
(-29.46mm)		 50th Driest
Driest since:
 1986
79th Wettest
Wettest since:
 1989
Mar–Jul 1929
5-Month 		17.54"
(445.52mm)		 18.96"
(481.58mm)		 -1.42"
(-36.06mm)		 44th Driest
Driest since:
 1986
85th Wettest
Wettest since:
 1989
Feb–Jul 1929
6-Month 		22.10"
(561.34mm)		 22.01"
(559.05mm)		 0.09"
(2.29mm)		 67th Driest
Driest since:
 1986
62nd Wettest
Wettest since:
 1989
Jan–Jul 1929
7-Month 		24.55"
(623.57mm)		 25.50"
(647.70mm)		 -0.95"
(-24.13mm)		 60th Driest
Driest since:
 1977
69th Wettest
Wettest since:
 1989
Dec 1928–Jul 1929
8-Month 		26.80"
(680.72mm)		 28.96"
(735.58mm)		 -2.16"
(-54.86mm)		 46th Driest
Driest since:
 1986
82nd Wettest
Wettest since:
 1958
Nov 1928–Jul 1929
9-Month 		28.51"
(724.15mm)		 32.02"
(813.31mm)		 -3.51"
(-89.16mm)		 35th Driest
Driest since:
 1977
93rd Wettest
Wettest since:
 1984
Oct 1928–Jul 1929
10-Month 		29.45"
(748.03mm)		 35.18"
(893.57mm)		 -5.73"
(-145.54mm)		 17th Driest
Driest since:
 2002
111th Wettest
Wettest since:
 2003
Sep 1928–Jul 1929
11-Month 		36.04"
(915.42mm)		 38.77"
(984.76mm)		 -2.73"
(-69.34mm)		 47th Driest
Driest since:
 2002
81st Wettest
Wettest since:
 2003
Aug 1928–Jul 1929
12-Month 		45.12"
(1,146.05mm)		 43.35"
(1,101.09mm)		 1.77"
(44.96mm)		 74th Driest
Driest since:
 1985
54th Wettest
Wettest since:
 2003
Feb 1928–Jul 1929
18-Month 		67.74"
(1,720.60mm)		 65.29"
(1,658.37mm)		 2.45"
(62.23mm)		 74th Driest
Driest since:
 1931
54th Wettest
Wettest since:
 1984
Aug 1927–Jul 1929
24-Month 		87.61"
(2,225.29mm)		 86.54"
(2,198.12mm)		 1.07"
(27.17mm)		 64th Driest
Driest since:
 1931
63rd Wettest
Wettest since:
 2004
Aug 1926–Jul 1929
36-Month 		130.33"
(3,310.38mm)		 129.85"
(3,298.19mm)		 0.48"
(12.19mm)		 56th Driest
Driest since:
 1966
70th Wettest
Wettest since:
 2005
Aug 1925–Jul 1929
48-Month 		168.03"
(4,267.96mm)		 173.06"
(4,395.72mm)		 -5.03"
(-127.76mm)		 36th Driest
Driest since:
 1966
89th Wettest
Wettest since:
 1938
Aug 1924–Jul 1929
60-Month 		205.76"
(5,226.30mm)		 216.21"
(5,491.73mm)		 -10.45"
(-265.43mm)		 23rd Driest
Driest since:
 1966
101st Wettest
Wettest since:
 1938

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