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, September 1923

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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
September 1923 1-Month	3.48" (88.39mm)	3.60" (91.44mm)	-0.12" (-3.05mm)	68th Driest	Driest since: 1922	1941
	3.48" (88.39mm)	3.60" (91.44mm)	-0.12" (-3.05mm)	61st Wettest	Wettest since: 1918	1935
	Ties: 1947
Aug–Sep 1923 2-Month	6.59" (167.39mm)	8.19" (208.03mm)	-1.60" (-40.64mm)	45th Driest	Driest since: 1921	2005
Aug–Sep 1923 2-Month	6.59" (167.39mm)	8.19" (208.03mm)	-1.60" (-40.64mm)	84th Wettest	Wettest since: 1922	1928
Jul–Sep 1923 3-Month	10.72" (272.29mm)	12.51" (317.75mm)	-1.79" (-45.46mm)	47th Driest	Driest since: 1921	1968
Jul–Sep 1923 3-Month	10.72" (272.29mm)	12.51" (317.75mm)	-1.79" (-45.46mm)	82nd Wettest	Wettest since: 1922	1938
Jun–Sep 1923 4-Month	13.88" (352.55mm)	16.14" (409.96mm)	-2.26" (-57.41mm)	44th Driest	Driest since: 1921	1968
Jun–Sep 1923 4-Month	13.88" (352.55mm)	16.14" (409.96mm)	-2.26" (-57.41mm)	85th Wettest	Wettest since: 1922	1938
May–Sep 1923 5-Month	15.31" (388.87mm)	19.70" (500.38mm)	-4.39" (-111.51mm)	20th Driest	Driest since: 1921	1964
May–Sep 1923 5-Month	15.31" (388.87mm)	19.70" (500.38mm)	-4.39" (-111.51mm)	109th Wettest	Wettest since: 1922	1989
Apr–Sep 1923 6-Month	19.67" (499.62mm)	23.18" (588.77mm)	-3.51" (-89.15mm)	26th Driest	Driest since: 1921	1986
Apr–Sep 1923 6-Month	19.67" (499.62mm)	23.18" (588.77mm)	-3.51" (-89.15mm)	103rd Wettest	Wettest since: 1922	1989
Mar–Sep 1923 7-Month	25.41" (645.41mm)	27.16" (689.86mm)	-1.75" (-44.45mm)	49th Driest	Driest since: 1921	1986
	25.41" (645.41mm)	27.16" (689.86mm)	-1.75" (-44.45mm)	80th Wettest	Wettest since: 1922	1989
	Ties: 1916
Feb–Sep 1923 8-Month	28.44" (722.38mm)	30.20" (767.08mm)	-1.76" (-44.70mm)	45th Driest	Driest since: 1921	1930
Feb–Sep 1923 8-Month	28.44" (722.38mm)	30.20" (767.08mm)	-1.76" (-44.70mm)	84th Wettest	Wettest since: 1922	1989
Jan–Sep 1923 9-Month	33.11" (840.99mm)	33.69" (855.73mm)	-0.58" (-14.74mm)	64th Driest	Driest since: 1921	1930
Jan–Sep 1923 9-Month	33.11" (840.99mm)	33.69" (855.73mm)	-0.58" (-14.74mm)	65th Wettest	Wettest since: 1922	1989
Dec 1922–Sep 1923 10-Month	37.64" (956.06mm)	37.15" (943.61mm)	0.49" (12.45mm)	71st Driest	Driest since: 1921	1986
Dec 1922–Sep 1923 10-Month	37.64" (956.06mm)	37.15" (943.61mm)	0.49" (12.45mm)	57th Wettest	Wettest since: 1922	1958
Nov 1922–Sep 1923 11-Month	38.48" (977.39mm)	40.22" (1,021.59mm)	-1.74" (-44.20mm)	53rd Driest	Driest since: 1921	1930
Nov 1922–Sep 1923 11-Month	38.48" (977.39mm)	40.22" (1,021.59mm)	-1.74" (-44.20mm)	75th Wettest	Wettest since: 1922	1958
Oct 1922–Sep 1923 12-Month	39.94" (1,014.48mm)	43.37" (1,101.60mm)	-3.43" (-87.12mm)	43rd Driest	Driest since: 1921	1986
	39.94" (1,014.48mm)	43.37" (1,101.60mm)	-3.43" (-87.12mm)	85th Wettest	Wettest since: 1922	2003
	Ties: 1913
Apr 1922–Sep 1923 18-Month	62.82" (1,595.63mm)	66.48" (1,688.59mm)	-3.66" (-92.96mm)	47th Driest	Driest since: 1922	1966
	62.82" (1,595.63mm)	66.48" (1,688.59mm)	-3.66" (-92.96mm)	81st Wettest	Wettest since: 1920	2010
	Ties: 1985
Oct 1921–Sep 1923 24-Month	83.09" (2,110.49mm)	86.63" (2,200.40mm)	-3.54" (-89.91mm)	43rd Driest	Driest since: 1922	1966
Oct 1921–Sep 1923 24-Month	83.09" (2,110.49mm)	86.63" (2,200.40mm)	-3.54" (-89.91mm)	84th Wettest	Wettest since: 1921	2004
Oct 1920–Sep 1923 36-Month	118.90" (3,020.06mm)	129.92" (3,299.97mm)	-11.02" (-279.91mm)	17th Driest	Driest since: 1916	1966
Oct 1920–Sep 1923 36-Month	118.90" (3,020.06mm)	129.92" (3,299.97mm)	-11.02" (-279.91mm)	109th Wettest	Wettest since: 1922	1935
Oct 1919–Sep 1923 48-Month	167.22" (4,247.39mm)	173.15" (4,398.01mm)	-5.93" (-150.62mm)	36th Driest	Driest since: 1917	1966
Oct 1919–Sep 1923 48-Month	167.22" (4,247.39mm)	173.15" (4,398.01mm)	-5.93" (-150.62mm)	89th Wettest	Wettest since: 1922	1936
Oct 1918–Sep 1923 60-Month	216.94" (5,510.28mm)	216.34" (5,495.04mm)	0.60" (15.24mm)	53rd Driest	Driest since: 1918	1966
Oct 1918–Sep 1923 60-Month	216.94" (5,510.28mm)	216.34" (5,495.04mm)	0.60" (15.24mm)	71st Wettest	Wettest since: 1922	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings