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
PeriodValue1901-2000
Mean		AnomalyRank
(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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