Statewide Rankings

Parameter:

Year:

Month:

State:

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 1931

View Period (Months):

All

Download:

Record Driest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1931 1-Month	3.33" (84.58mm)	4.31" (109.47mm)	-0.98" (-24.89mm)	39th Driest	Driest since: 1929	1974
	3.33" (84.58mm)	4.31" (109.47mm)	-0.98" (-24.89mm)	90th Wettest	Wettest since: 1930	1938
	Ties: 2015
Jun–Jul 1931 2-Month	6.99" (177.55mm)	7.95" (201.93mm)	-0.96" (-24.38mm)	52nd Driest	Driest since: 1930	1949
Jun–Jul 1931 2-Month	6.99" (177.55mm)	7.95" (201.93mm)	-0.96" (-24.38mm)	77th Wettest	Wettest since: 1928	2013
May–Jul 1931 3-Month	10.66" (270.76mm)	11.50" (292.10mm)	-0.84" (-21.34mm)	49th Driest	Driest since: 1930	1964
May–Jul 1931 3-Month	10.66" (270.76mm)	11.50" (292.10mm)	-0.84" (-21.34mm)	80th Wettest	Wettest since: 1928	1989
Apr–Jul 1931 4-Month	13.56" (344.42mm)	14.98" (380.49mm)	-1.42" (-36.07mm)	45th Driest	Driest since: 1930	1986
Apr–Jul 1931 4-Month	13.56" (344.42mm)	14.98" (380.49mm)	-1.42" (-36.07mm)	84th Wettest	Wettest since: 1929	1989
Mar–Jul 1931 5-Month	18.54" (470.92mm)	18.96" (481.58mm)	-0.42" (-10.66mm)	59th Driest	Driest since: 1930	1986
Mar–Jul 1931 5-Month	18.54" (470.92mm)	18.96" (481.58mm)	-0.42" (-10.66mm)	70th Wettest	Wettest since: 1928	1989
Feb–Jul 1931 6-Month	20.05" (509.27mm)	22.01" (559.05mm)	-1.96" (-49.78mm)	38th Driest	Driest since: 1930	1986
Feb–Jul 1931 6-Month	20.05" (509.27mm)	22.01" (559.05mm)	-1.96" (-49.78mm)	91st Wettest	Wettest since: 1929	1989
Jan–Jul 1931 7-Month	21.93" (557.02mm)	25.50" (647.70mm)	-3.57" (-90.68mm)	25th Driest	Driest since: 1930	1977
Jan–Jul 1931 7-Month	21.93" (557.02mm)	25.50" (647.70mm)	-3.57" (-90.68mm)	104th Wettest	Wettest since: 1929	1989
Dec 1930–Jul 1931 8-Month	24.00" (609.60mm)	28.96" (735.58mm)	-4.96" (-125.98mm)	20th Driest	Driest since: 1930	1986
Dec 1930–Jul 1931 8-Month	24.00" (609.60mm)	28.96" (735.58mm)	-4.96" (-125.98mm)	108th Wettest	Wettest since: 1929	1958
Nov 1930–Jul 1931 9-Month	25.89" (657.61mm)	32.02" (813.31mm)	-6.13" (-155.70mm)	15th Driest	Driest since: 1930	1977
Nov 1930–Jul 1931 9-Month	25.89" (657.61mm)	32.02" (813.31mm)	-6.13" (-155.70mm)	113th Wettest	Wettest since: 1929	1984
Oct 1930–Jul 1931 10-Month	27.36" (694.94mm)	35.18" (893.57mm)	-7.82" (-198.63mm)	9th Driest	Driest since: 1930	2002
Oct 1930–Jul 1931 10-Month	27.36" (694.94mm)	35.18" (893.57mm)	-7.82" (-198.63mm)	119th Wettest	Wettest since: 1929	2003
Sep 1930–Jul 1931 11-Month	29.68" (753.87mm)	38.77" (984.76mm)	-9.09" (-230.89mm)	4th Driest	Driest since: 1931	2002
Sep 1930–Jul 1931 11-Month	29.68" (753.87mm)	38.77" (984.76mm)	-9.09" (-230.89mm)	124th Wettest	Wettest since: 1930	2003
Aug 1930–Jul 1931 12-Month	31.31" (795.27mm)	43.35" (1,101.09mm)	-12.04" (-305.82mm)	2nd Driest	Driest since: 1931	1985
Aug 1930–Jul 1931 12-Month	31.31" (795.27mm)	43.35" (1,101.09mm)	-12.04" (-305.82mm)	126th Wettest	Wettest since: 1930	2003
Feb 1930–Jul 1931 18-Month	45.82" (1,163.83mm)	65.29" (1,658.37mm)	-19.47" (-494.54mm)	1st Driest	Driest since: 1931	1931
Feb 1930–Jul 1931 18-Month	45.82" (1,163.83mm)	65.29" (1,658.37mm)	-19.47" (-494.54mm)	127th Wettest	Wettest since: 1930	1984
Aug 1929–Jul 1931 24-Month	64.60" (1,640.84mm)	86.54" (2,198.12mm)	-21.94" (-557.28mm)	1st Driest	Driest since: 1931	1931
Aug 1929–Jul 1931 24-Month	64.60" (1,640.84mm)	86.54" (2,198.12mm)	-21.94" (-557.28mm)	126th Wettest	Wettest since: 1930	2004
Aug 1928–Jul 1931 36-Month	109.72" (2,786.89mm)	129.85" (3,298.19mm)	-20.13" (-511.30mm)	6th Driest	Driest since: 1931	1966
Aug 1928–Jul 1931 36-Month	109.72" (2,786.89mm)	129.85" (3,298.19mm)	-20.13" (-511.30mm)	120th Wettest	Wettest since: 1930	2005
Aug 1927–Jul 1931 48-Month	152.21" (3,866.13mm)	173.06" (4,395.72mm)	-20.85" (-529.59mm)	6th Driest	Driest since: 1931	1966
Aug 1927–Jul 1931 48-Month	152.21" (3,866.13mm)	173.06" (4,395.72mm)	-20.85" (-529.59mm)	119th Wettest	Wettest since: 1930	1938
Aug 1926–Jul 1931 60-Month	194.93" (4,951.22mm)	216.21" (5,491.73mm)	-21.28" (-540.51mm)	6th Driest	Driest since: 1931	1966
Aug 1926–Jul 1931 60-Month	194.93" (4,951.22mm)	216.21" (5,491.73mm)	-21.28" (-540.51mm)	118th Wettest	Wettest since: 1930	1938

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings