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 2004

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 2004 1-Month	3.78" (96.01mm)	3.60" (91.44mm)	0.18" (4.57mm)	81st Driest	Driest since: 2001	1941
	3.78" (96.01mm)	3.60" (91.44mm)	0.18" (4.57mm)	48th Wettest	Wettest since: 2003	1935
	Ties: 1983
Aug–Sep 2004 2-Month	10.29" (261.37mm)	8.19" (208.03mm)	2.10" (53.34mm)	101st Driest	Driest since: 2002	2005
Aug–Sep 2004 2-Month	10.29" (261.37mm)	8.19" (208.03mm)	2.10" (53.34mm)	28th Wettest	Wettest since: 2003	1928
Jul–Sep 2004 3-Month	16.14" (409.96mm)	12.50" (317.50mm)	3.64" (92.46mm)	104th Driest	Driest since: 2002	1968
Jul–Sep 2004 3-Month	16.14" (409.96mm)	12.50" (317.50mm)	3.64" (92.46mm)	25th Wettest	Wettest since: 2003	1938
Jun–Sep 2004 4-Month	19.57" (497.08mm)	16.14" (409.96mm)	3.43" (87.12mm)	100th Driest	Driest since: 2002	1968
Jun–Sep 2004 4-Month	19.57" (497.08mm)	16.14" (409.96mm)	3.43" (87.12mm)	29th Wettest	Wettest since: 2003	1938
May–Sep 2004 5-Month	22.72" (577.09mm)	19.70" (500.38mm)	3.02" (76.71mm)	97th Driest	Driest since: 2002	1964
May–Sep 2004 5-Month	22.72" (577.09mm)	19.70" (500.38mm)	3.02" (76.71mm)	32nd Wettest	Wettest since: 2003	1989
Apr–Sep 2004 6-Month	28.22" (716.79mm)	23.18" (588.77mm)	5.04" (128.02mm)	106th Driest	Driest since: 2002	1986
Apr–Sep 2004 6-Month	28.22" (716.79mm)	23.18" (588.77mm)	5.04" (128.02mm)	23rd Wettest	Wettest since: 2003	1989
Mar–Sep 2004 7-Month	30.92" (785.37mm)	27.16" (689.86mm)	3.76" (95.51mm)	101st Driest	Driest since: 2002	1986
Mar–Sep 2004 7-Month	30.92" (785.37mm)	27.16" (689.86mm)	3.76" (95.51mm)	28th Wettest	Wettest since: 2003	1989
Feb–Sep 2004 8-Month	33.13" (841.50mm)	30.20" (767.08mm)	2.93" (74.42mm)	92nd Driest	Driest since: 2002	1930
Feb–Sep 2004 8-Month	33.13" (841.50mm)	30.20" (767.08mm)	2.93" (74.42mm)	37th Wettest	Wettest since: 2003	1989
Jan–Sep 2004 9-Month	35.44" (900.18mm)	33.69" (855.73mm)	1.75" (44.45mm)	83rd Driest	Driest since: 2002	1930
Jan–Sep 2004 9-Month	35.44" (900.18mm)	33.69" (855.73mm)	1.75" (44.45mm)	46th Wettest	Wettest since: 2003	1989
Dec 2003–Sep 2004 10-Month	41.27" (1,048.26mm)	37.15" (943.61mm)	4.12" (104.65mm)	94th Driest	Driest since: 2002	1986
Dec 2003–Sep 2004 10-Month	41.27" (1,048.26mm)	37.15" (943.61mm)	4.12" (104.65mm)	34th Wettest	Wettest since: 2003	1958
Nov 2003–Sep 2004 11-Month	46.34" (1,177.04mm)	40.22" (1,021.59mm)	6.12" (155.45mm)	103rd Driest	Driest since: 2002	1930
Nov 2003–Sep 2004 11-Month	46.34" (1,177.04mm)	40.22" (1,021.59mm)	6.12" (155.45mm)	25th Wettest	Wettest since: 2003	1958
Oct 2003–Sep 2004 12-Month	50.28" (1,277.11mm)	43.37" (1,101.60mm)	6.91" (175.51mm)	106th Driest	Driest since: 2002	1986
Oct 2003–Sep 2004 12-Month	50.28" (1,277.11mm)	43.37" (1,101.60mm)	6.91" (175.51mm)	22nd Wettest	Wettest since: 2003	2003
Apr 2003–Sep 2004 18-Month	81.29" (2,064.77mm)	66.48" (1,688.59mm)	14.81" (376.18mm)	124th Driest	Driest since: 2002	1966
Apr 2003–Sep 2004 18-Month	81.29" (2,064.77mm)	66.48" (1,688.59mm)	14.81" (376.18mm)	4th Wettest	Wettest since: 2003	2010
Oct 2002–Sep 2004 24-Month	110.18" (2,798.57mm)	86.63" (2,200.40mm)	23.55" (598.17mm)	126th Driest	Driest since: 2003	1966
Oct 2002–Sep 2004 24-Month	110.18" (2,798.57mm)	86.63" (2,200.40mm)	23.55" (598.17mm)	1st Wettest	Wettest to Date	2004
Oct 2001–Sep 2004 36-Month	143.27" (3,639.06mm)	129.92" (3,299.97mm)	13.35" (339.09mm)	108th Driest	Driest since: 2003	1966
Oct 2001–Sep 2004 36-Month	143.27" (3,639.06mm)	129.92" (3,299.97mm)	13.35" (339.09mm)	18th Wettest	Wettest since: 1998	1935
Oct 2000–Sep 2004 48-Month	184.52" (4,686.81mm)	173.15" (4,398.01mm)	11.37" (288.80mm)	103rd Driest	Driest since: 2003	1966
Oct 2000–Sep 2004 48-Month	184.52" (4,686.81mm)	173.15" (4,398.01mm)	11.37" (288.80mm)	22nd Wettest	Wettest since: 1999	1936
Oct 1999–Sep 2004 60-Month	233.82" (5,939.03mm)	216.34" (5,495.04mm)	17.48" (443.99mm)	109th Driest	Driest since: 2003	1966
Oct 1999–Sep 2004 60-Month	233.82" (5,939.03mm)	216.34" (5,495.04mm)	17.48" (443.99mm)	15th Wettest	Wettest since: 2000	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings