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 1946

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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 1946 1-Month	2.69" (68.33mm)	3.60" (91.44mm)	-0.91" (-23.11mm)	47th Driest	Driest since: 1943	1941
	2.69" (68.33mm)	3.60" (91.44mm)	-0.91" (-23.11mm)	82nd Wettest	Wettest since: 1945	1935
	Ties: 1965
Aug–Sep 1946 2-Month	6.57" (166.88mm)	8.19" (208.03mm)	-1.62" (-41.15mm)	43rd Driest	Driest since: 1943	2005
Aug–Sep 1946 2-Month	6.57" (166.88mm)	8.19" (208.03mm)	-1.62" (-41.15mm)	86th Wettest	Wettest since: 1945	1928
Jul–Sep 1946 3-Month	11.35" (288.29mm)	12.51" (317.75mm)	-1.16" (-29.46mm)	52nd Driest	Driest since: 1943	1968
Jul–Sep 1946 3-Month	11.35" (288.29mm)	12.51" (317.75mm)	-1.16" (-29.46mm)	77th Wettest	Wettest since: 1945	1938
Jun–Sep 1946 4-Month	15.48" (393.19mm)	16.14" (409.96mm)	-0.66" (-16.77mm)	62nd Driest	Driest since: 1944	1968
Jun–Sep 1946 4-Month	15.48" (393.19mm)	16.14" (409.96mm)	-0.66" (-16.77mm)	67th Wettest	Wettest since: 1945	1938
May–Sep 1946 5-Month	21.21" (538.73mm)	19.70" (500.38mm)	1.51" (38.35mm)	84th Driest	Driest since: 1944	1964
May–Sep 1946 5-Month	21.21" (538.73mm)	19.70" (500.38mm)	1.51" (38.35mm)	45th Wettest	Wettest since: 1945	1989
Apr–Sep 1946 6-Month	23.79" (604.27mm)	23.18" (588.77mm)	0.61" (15.50mm)	79th Driest	Driest since: 1944	1986
Apr–Sep 1946 6-Month	23.79" (604.27mm)	23.18" (588.77mm)	0.61" (15.50mm)	50th Wettest	Wettest since: 1945	1989
Mar–Sep 1946 7-Month	26.68" (677.67mm)	27.16" (689.86mm)	-0.48" (-12.19mm)	59th Driest	Driest since: 1943	1986
Mar–Sep 1946 7-Month	26.68" (677.67mm)	27.16" (689.86mm)	-0.48" (-12.19mm)	70th Wettest	Wettest since: 1945	1989
Feb–Sep 1946 8-Month	28.95" (735.33mm)	30.20" (767.08mm)	-1.25" (-31.75mm)	53rd Driest	Driest since: 1943	1930
Feb–Sep 1946 8-Month	28.95" (735.33mm)	30.20" (767.08mm)	-1.25" (-31.75mm)	76th Wettest	Wettest since: 1945	1989
Jan–Sep 1946 9-Month	30.89" (784.61mm)	33.69" (855.73mm)	-2.80" (-71.12mm)	45th Driest	Driest since: 1943	1930
Jan–Sep 1946 9-Month	30.89" (784.61mm)	33.69" (855.73mm)	-2.80" (-71.12mm)	84th Wettest	Wettest since: 1945	1989
Dec 1945–Sep 1946 10-Month	37.76" (959.10mm)	37.15" (943.61mm)	0.61" (15.49mm)	73rd Driest	Driest since: 1944	1986
Dec 1945–Sep 1946 10-Month	37.76" (959.10mm)	37.15" (943.61mm)	0.61" (15.49mm)	55th Wettest	Wettest since: 1945	1958
Nov 1945–Sep 1946 11-Month	41.68" (1,058.67mm)	40.22" (1,021.59mm)	1.46" (37.08mm)	74th Driest	Driest since: 1944	1930
Nov 1945–Sep 1946 11-Month	41.68" (1,058.67mm)	40.22" (1,021.59mm)	1.46" (37.08mm)	54th Wettest	Wettest since: 1945	1958
Oct 1945–Sep 1946 12-Month	44.48" (1,129.79mm)	43.37" (1,101.60mm)	1.11" (28.19mm)	73rd Driest	Driest since: 1944	1986
Oct 1945–Sep 1946 12-Month	44.48" (1,129.79mm)	43.37" (1,101.60mm)	1.11" (28.19mm)	55th Wettest	Wettest since: 1945	2003
Apr 1945–Sep 1946 18-Month	75.34" (1,913.64mm)	66.48" (1,688.59mm)	8.86" (225.05mm)	104th Driest	Driest since: 1945	1966
	75.34" (1,913.64mm)	66.48" (1,688.59mm)	8.86" (225.05mm)	24th Wettest	Wettest since: 1939	2010
	Ties: 1948
Oct 1944–Sep 1946 24-Month	94.66" (2,404.36mm)	86.63" (2,200.40mm)	8.03" (203.96mm)	99th Driest	Driest since: 1945	1966
	94.66" (2,404.36mm)	86.63" (2,200.40mm)	8.03" (203.96mm)	28th Wettest	Wettest since: 1939	2004
	Ties: 1980
Oct 1943–Sep 1946 36-Month	137.99" (3,504.95mm)	129.92" (3,299.97mm)	8.07" (204.98mm)	87th Driest	Driest since: 1945	1966
Oct 1943–Sep 1946 36-Month	137.99" (3,504.95mm)	129.92" (3,299.97mm)	8.07" (204.98mm)	39th Wettest	Wettest since: 1940	1935
Oct 1942–Sep 1946 48-Month	175.19" (4,449.83mm)	173.15" (4,398.01mm)	2.04" (51.82mm)	55th Driest	Driest since: 1945	1966
Oct 1942–Sep 1946 48-Month	175.19" (4,449.83mm)	173.15" (4,398.01mm)	2.04" (51.82mm)	70th Wettest	Wettest since: 1941	1936
Oct 1941–Sep 1946 60-Month	215.18" (5,465.57mm)	216.34" (5,495.04mm)	-1.16" (-29.47mm)	45th Driest	Driest since: 1945	1966
Oct 1941–Sep 1946 60-Month	215.18" (5,465.57mm)	216.34" (5,495.04mm)	-1.16" (-29.47mm)	79th Wettest	Wettest since: 1942	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings