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 1927

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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 1927 1-Month	1.44" (36.58mm)	3.60" (91.44mm)	-2.16" (-54.86mm)	14th Driest	Driest since: 1925	1941
September 1927 1-Month	1.44" (36.58mm)	3.60" (91.44mm)	-2.16" (-54.86mm)	115th Wettest	Wettest since: 1926	1935
Aug–Sep 1927 2-Month	5.65" (143.51mm)	8.19" (208.03mm)	-2.54" (-64.52mm)	26th Driest	Driest since: 1925	2005
Aug–Sep 1927 2-Month	5.65" (143.51mm)	8.19" (208.03mm)	-2.54" (-64.52mm)	103rd Wettest	Wettest since: 1926	1928
Jul–Sep 1927 3-Month	11.42" (290.07mm)	12.51" (317.75mm)	-1.09" (-27.68mm)	54th Driest	Driest since: 1925	1968
Jul–Sep 1927 3-Month	11.42" (290.07mm)	12.51" (317.75mm)	-1.09" (-27.68mm)	75th Wettest	Wettest since: 1926	1938
Jun–Sep 1927 4-Month	14.96" (379.98mm)	16.14" (409.96mm)	-1.18" (-29.98mm)	59th Driest	Driest since: 1925	1968
Jun–Sep 1927 4-Month	14.96" (379.98mm)	16.14" (409.96mm)	-1.18" (-29.98mm)	70th Wettest	Wettest since: 1926	1938
May–Sep 1927 5-Month	17.93" (455.42mm)	19.70" (500.38mm)	-1.77" (-44.96mm)	48th Driest	Driest since: 1925	1964
May–Sep 1927 5-Month	17.93" (455.42mm)	19.70" (500.38mm)	-1.77" (-44.96mm)	81st Wettest	Wettest since: 1926	1989
Apr–Sep 1927 6-Month	21.19" (538.23mm)	23.18" (588.77mm)	-1.99" (-50.54mm)	47th Driest	Driest since: 1925	1986
Apr–Sep 1927 6-Month	21.19" (538.23mm)	23.18" (588.77mm)	-1.99" (-50.54mm)	82nd Wettest	Wettest since: 1926	1989
Mar–Sep 1927 7-Month	22.83" (579.88mm)	27.16" (689.86mm)	-4.33" (-109.98mm)	21st Driest	Driest since: 1925	1986
Mar–Sep 1927 7-Month	22.83" (579.88mm)	27.16" (689.86mm)	-4.33" (-109.98mm)	108th Wettest	Wettest since: 1926	1989
Feb–Sep 1927 8-Month	26.67" (677.42mm)	30.20" (767.08mm)	-3.53" (-89.66mm)	34th Driest	Driest since: 1925	1930
Feb–Sep 1927 8-Month	26.67" (677.42mm)	30.20" (767.08mm)	-3.53" (-89.66mm)	95th Wettest	Wettest since: 1926	1989
Jan–Sep 1927 9-Month	28.16" (715.26mm)	33.69" (855.73mm)	-5.53" (-140.47mm)	21st Driest	Driest since: 1925	1930
Jan–Sep 1927 9-Month	28.16" (715.26mm)	33.69" (855.73mm)	-5.53" (-140.47mm)	108th Wettest	Wettest since: 1926	1989
Dec 1926–Sep 1927 10-Month	31.80" (807.72mm)	37.15" (943.61mm)	-5.35" (-135.89mm)	25th Driest	Driest since: 1925	1986
Dec 1926–Sep 1927 10-Month	31.80" (807.72mm)	37.15" (943.61mm)	-5.35" (-135.89mm)	103rd Wettest	Wettest since: 1926	1958
Nov 1926–Sep 1927 11-Month	35.44" (900.18mm)	40.22" (1,021.59mm)	-4.78" (-121.41mm)	33rd Driest	Driest since: 1925	1930
Nov 1926–Sep 1927 11-Month	35.44" (900.18mm)	40.22" (1,021.59mm)	-4.78" (-121.41mm)	95th Wettest	Wettest since: 1926	1958
Oct 1926–Sep 1927 12-Month	38.07" (966.98mm)	43.37" (1,101.60mm)	-5.30" (-134.62mm)	24th Driest	Driest since: 1925	1986
Oct 1926–Sep 1927 12-Month	38.07" (966.98mm)	43.37" (1,101.60mm)	-5.30" (-134.62mm)	104th Wettest	Wettest since: 1926	2003
Apr 1926–Sep 1927 18-Month	63.58" (1,614.93mm)	66.48" (1,688.59mm)	-2.90" (-73.66mm)	53rd Driest	Driest since: 1926	1966
Apr 1926–Sep 1927 18-Month	63.58" (1,614.93mm)	66.48" (1,688.59mm)	-2.90" (-73.66mm)	75th Wettest	Wettest since: 1924	2010
Oct 1925–Sep 1927 24-Month	82.19" (2,087.63mm)	86.63" (2,200.40mm)	-4.44" (-112.77mm)	39th Driest	Driest since: 1926	1966
Oct 1925–Sep 1927 24-Month	82.19" (2,087.63mm)	86.63" (2,200.40mm)	-4.44" (-112.77mm)	88th Wettest	Wettest since: 1925	2004
Oct 1924–Sep 1927 36-Month	113.68" (2,887.47mm)	129.92" (3,299.97mm)	-16.24" (-412.50mm)	9th Driest	Driest to Date	1966
Oct 1924–Sep 1927 36-Month	113.68" (2,887.47mm)	129.92" (3,299.97mm)	-16.24" (-412.50mm)	117th Wettest	Wettest since: 1926	1935
Oct 1923–Sep 1927 48-Month	164.76" (4,184.90mm)	173.15" (4,398.01mm)	-8.39" (-213.11mm)	22nd Driest	Driest since: 1917	1966
Oct 1923–Sep 1927 48-Month	164.76" (4,184.90mm)	173.15" (4,398.01mm)	-8.39" (-213.11mm)	103rd Wettest	Wettest since: 1926	1936
Oct 1922–Sep 1927 60-Month	204.70" (5,199.38mm)	216.34" (5,495.04mm)	-11.64" (-295.66mm)	22nd Driest	Driest since: 1925	1966
Oct 1922–Sep 1927 60-Month	204.70" (5,199.38mm)	216.34" (5,495.04mm)	-11.64" (-295.66mm)	102nd Wettest	Wettest since: 1926	1937

Citing This Page

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