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 2010

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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 2010 1-Month	4.29" (108.97mm)	4.31" (109.47mm)	-0.02" (-0.50mm)	70th Driest	Driest since: 2009	1974
July 2010 1-Month	4.29" (108.97mm)	4.31" (109.47mm)	-0.02" (-0.50mm)	59th Wettest	Wettest since: 2008	1938
Jun–Jul 2010 2-Month	6.42" (163.07mm)	7.95" (201.93mm)	-1.53" (-38.86mm)	39th Driest	Driest since: 2007	1949
	6.42" (163.07mm)	7.95" (201.93mm)	-1.53" (-38.86mm)	90th Wettest	Wettest since: 2009	2013
	Ties: 1962
May–Jul 2010 3-Month	8.63" (219.20mm)	11.50" (292.10mm)	-2.87" (-72.90mm)	22nd Driest	Driest since: 2007	1964
May–Jul 2010 3-Month	8.63" (219.20mm)	11.50" (292.10mm)	-2.87" (-72.90mm)	107th Wettest	Wettest since: 2009	1989
Apr–Jul 2010 4-Month	10.54" (267.72mm)	14.98" (380.49mm)	-4.44" (-112.77mm)	10th Driest	Driest since: 1999	1986
Apr–Jul 2010 4-Month	10.54" (267.72mm)	14.98" (380.49mm)	-4.44" (-112.77mm)	119th Wettest	Wettest since: 2009	1989
Mar–Jul 2010 5-Month	17.00" (431.80mm)	18.96" (481.58mm)	-1.96" (-49.78mm)	33rd Driest	Driest since: 2007	1986
Mar–Jul 2010 5-Month	17.00" (431.80mm)	18.96" (481.58mm)	-1.96" (-49.78mm)	96th Wettest	Wettest since: 2009	1989
Feb–Jul 2010 6-Month	20.85" (529.59mm)	22.01" (559.05mm)	-1.16" (-29.46mm)	49th Driest	Driest since: 2007	1986
Feb–Jul 2010 6-Month	20.85" (529.59mm)	22.01" (559.05mm)	-1.16" (-29.46mm)	80th Wettest	Wettest since: 2009	1989
Jan–Jul 2010 7-Month	23.70" (601.98mm)	25.50" (647.70mm)	-1.80" (-45.72mm)	43rd Driest	Driest since: 2009	1977
Jan–Jul 2010 7-Month	23.70" (601.98mm)	25.50" (647.70mm)	-1.80" (-45.72mm)	86th Wettest	Wettest since: 2008	1989
Dec 2009–Jul 2010 8-Month	31.41" (797.81mm)	28.96" (735.58mm)	2.45" (62.23mm)	91st Driest	Driest since: 2009	1986
Dec 2009–Jul 2010 8-Month	31.41" (797.81mm)	28.96" (735.58mm)	2.45" (62.23mm)	37th Wettest	Wettest since: 2003	1958
Nov 2009–Jul 2010 9-Month	35.96" (913.38mm)	32.02" (813.31mm)	3.94" (100.07mm)	97th Driest	Driest since: 2009	1977
Nov 2009–Jul 2010 9-Month	35.96" (913.38mm)	32.02" (813.31mm)	3.94" (100.07mm)	31st Wettest	Wettest since: 2004	1984
Oct 2009–Jul 2010 10-Month	42.61" (1,082.29mm)	35.18" (893.57mm)	7.43" (188.72mm)	110th Driest	Driest since: 2009	2002
Oct 2009–Jul 2010 10-Month	42.61" (1,082.29mm)	35.18" (893.57mm)	7.43" (188.72mm)	18th Wettest	Wettest since: 2003	2003
Sep 2009–Jul 2010 11-Month	47.79" (1,213.87mm)	38.77" (984.76mm)	9.02" (229.11mm)	112th Driest	Driest since: 2009	2002
Sep 2009–Jul 2010 11-Month	47.79" (1,213.87mm)	38.77" (984.76mm)	9.02" (229.11mm)	16th Wettest	Wettest since: 2003	2003
Aug 2009–Jul 2010 12-Month	56.02" (1,422.91mm)	43.35" (1,101.09mm)	12.67" (321.82mm)	124th Driest	Driest since: 2009	1985
Aug 2009–Jul 2010 12-Month	56.02" (1,422.91mm)	43.35" (1,101.09mm)	12.67" (321.82mm)	4th Wettest	Wettest since: 2003	2003
Feb 2009–Jul 2010 18-Month	77.28" (1,962.91mm)	65.29" (1,658.37mm)	11.99" (304.54mm)	120th Driest	Driest since: 2009	1931
Feb 2009–Jul 2010 18-Month	77.28" (1,962.91mm)	65.29" (1,658.37mm)	11.99" (304.54mm)	8th Wettest	Wettest since: 2004	1984
Aug 2008–Jul 2010 24-Month	96.85" (2,459.99mm)	86.54" (2,198.12mm)	10.31" (261.87mm)	105th Driest	Driest since: 2009	1931
Aug 2008–Jul 2010 24-Month	96.85" (2,459.99mm)	86.54" (2,198.12mm)	10.31" (261.87mm)	22nd Wettest	Wettest since: 2005	2004
Aug 2007–Jul 2010 36-Month	138.03" (3,505.96mm)	129.85" (3,298.19mm)	8.18" (207.77mm)	93rd Driest	Driest since: 2009	1966
Aug 2007–Jul 2010 36-Month	138.03" (3,505.96mm)	129.85" (3,298.19mm)	8.18" (207.77mm)	33rd Wettest	Wettest since: 2006	2005
Aug 2006–Jul 2010 48-Month	181.91" (4,620.51mm)	173.06" (4,395.72mm)	8.85" (224.79mm)	91st Driest	Driest since: 2009	1966
Aug 2006–Jul 2010 48-Month	181.91" (4,620.51mm)	173.06" (4,395.72mm)	8.85" (224.79mm)	34th Wettest	Wettest since: 2007	1938
Aug 2005–Jul 2010 60-Month	225.73" (5,733.54mm)	216.21" (5,491.73mm)	9.52" (241.81mm)	88th Driest	Driest since: 2009	1966
Aug 2005–Jul 2010 60-Month	225.73" (5,733.54mm)	216.21" (5,491.73mm)	9.52" (241.81mm)	36th Wettest	Wettest since: 2008	1938

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings