Statewide Rankings

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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 1978

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1978 1-Month	5.04" (128.02mm)	4.31" (109.47mm)	0.73" (18.55mm)	86th Driest	Driest since: 1977	1974
July 1978 1-Month	5.04" (128.02mm)	4.31" (109.47mm)	0.73" (18.55mm)	43rd Wettest	Wettest since: 1975	1938
Jun–Jul 1978 2-Month	7.52" (191.01mm)	7.95" (201.93mm)	-0.43" (-10.92mm)	60th Driest	Driest since: 1977	1949
	7.52" (191.01mm)	7.95" (201.93mm)	-0.43" (-10.92mm)	69th Wettest	Wettest since: 1975	2013
	Ties: 1934
May–Jul 1978 3-Month	13.66" (346.96mm)	11.50" (292.10mm)	2.16" (54.86mm)	98th Driest	Driest since: 1977	1964
May–Jul 1978 3-Month	13.66" (346.96mm)	11.50" (292.10mm)	2.16" (54.86mm)	31st Wettest	Wettest since: 1975	1989
Apr–Jul 1978 4-Month	16.17" (410.72mm)	14.98" (380.49mm)	1.19" (30.23mm)	81st Driest	Driest since: 1977	1986
Apr–Jul 1978 4-Month	16.17" (410.72mm)	14.98" (380.49mm)	1.19" (30.23mm)	48th Wettest	Wettest since: 1975	1989
Mar–Jul 1978 5-Month	22.10" (561.34mm)	18.96" (481.58mm)	3.14" (79.76mm)	106th Driest	Driest since: 1977	1986
Mar–Jul 1978 5-Month	22.10" (561.34mm)	18.96" (481.58mm)	3.14" (79.76mm)	23rd Wettest	Wettest since: 1975	1989
Feb–Jul 1978 6-Month	23.19" (589.03mm)	22.01" (559.05mm)	1.18" (29.98mm)	79th Driest	Driest since: 1977	1986
Feb–Jul 1978 6-Month	23.19" (589.03mm)	22.01" (559.05mm)	1.18" (29.98mm)	50th Wettest	Wettest since: 1975	1989
Jan–Jul 1978 7-Month	30.20" (767.08mm)	25.50" (647.70mm)	4.70" (119.38mm)	109th Driest	Driest since: 1977	1977
	30.20" (767.08mm)	25.50" (647.70mm)	4.70" (119.38mm)	20th Wettest	Wettest since: 1975	1989
	Ties: 1938
Dec 1977–Jul 1978 8-Month	37.14" (943.36mm)	28.96" (735.58mm)	8.18" (207.78mm)	121st Driest	Driest since: 1977	1986
Dec 1977–Jul 1978 8-Month	37.14" (943.36mm)	28.96" (735.58mm)	8.18" (207.78mm)	7th Wettest	Wettest since: 1975	1958
Nov 1977–Jul 1978 9-Month	42.55" (1,080.77mm)	32.02" (813.31mm)	10.53" (267.46mm)	123rd Driest	Driest since: 1977	1977
Nov 1977–Jul 1978 9-Month	42.55" (1,080.77mm)	32.02" (813.31mm)	10.53" (267.46mm)	5th Wettest	Wettest since: 1958	1984
Oct 1977–Jul 1978 10-Month	46.34" (1,177.04mm)	35.18" (893.57mm)	11.16" (283.47mm)	123rd Driest	Driest since: 1977	2002
Oct 1977–Jul 1978 10-Month	46.34" (1,177.04mm)	35.18" (893.57mm)	11.16" (283.47mm)	5th Wettest	Wettest since: 1958	2003
Sep 1977–Jul 1978 11-Month	50.38" (1,279.65mm)	38.77" (984.76mm)	11.61" (294.89mm)	124th Driest	Driest since: 1977	2002
Sep 1977–Jul 1978 11-Month	50.38" (1,279.65mm)	38.77" (984.76mm)	11.61" (294.89mm)	4th Wettest	Wettest since: 1958	2003
Aug 1977–Jul 1978 12-Month	54.13" (1,374.90mm)	43.35" (1,101.09mm)	10.78" (273.81mm)	118th Driest	Driest since: 1977	1985
Aug 1977–Jul 1978 12-Month	54.13" (1,374.90mm)	43.35" (1,101.09mm)	10.78" (273.81mm)	10th Wettest	Wettest since: 1972	2003
Feb 1977–Jul 1978 18-Month	68.29" (1,734.57mm)	65.29" (1,658.37mm)	3.00" (76.20mm)	78th Driest	Driest since: 1977	1931
Feb 1977–Jul 1978 18-Month	68.29" (1,734.57mm)	65.29" (1,658.37mm)	3.00" (76.20mm)	50th Wettest	Wettest since: 1975	1984
Aug 1976–Jul 1978 24-Month	89.96" (2,284.98mm)	86.54" (2,198.12mm)	3.42" (86.86mm)	77th Driest	Driest since: 1977	1931
Aug 1976–Jul 1978 24-Month	89.96" (2,284.98mm)	86.54" (2,198.12mm)	3.42" (86.86mm)	50th Wettest	Wettest since: 1976	2004
Aug 1975–Jul 1978 36-Month	128.51" (3,264.15mm)	129.85" (3,298.19mm)	-1.34" (-34.04mm)	48th Driest	Driest since: 1977	1966
Aug 1975–Jul 1978 36-Month	128.51" (3,264.15mm)	129.85" (3,298.19mm)	-1.34" (-34.04mm)	78th Wettest	Wettest since: 1976	2005
Aug 1974–Jul 1978 48-Month	180.21" (4,577.33mm)	173.06" (4,395.72mm)	7.15" (181.61mm)	83rd Driest	Driest since: 1977	1966
Aug 1974–Jul 1978 48-Month	180.21" (4,577.33mm)	173.06" (4,395.72mm)	7.15" (181.61mm)	42nd Wettest	Wettest since: 1975	1938
Aug 1973–Jul 1978 60-Month	221.42" (5,624.07mm)	216.21" (5,491.73mm)	5.21" (132.34mm)	70th Driest	Driest since: 1977	1966
Aug 1973–Jul 1978 60-Month	221.42" (5,624.07mm)	216.21" (5,491.73mm)	5.21" (132.34mm)	54th Wettest	Wettest since: 1976	1938

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings