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, October 1947

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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
October 1947 1-Month	1.67" (42.42mm)	3.13" (79.50mm)	-1.46" (-37.08mm)	21st Driest	Driest since: 1933	1963
	1.67" (42.42mm)	3.13" (79.50mm)	-1.46" (-37.08mm)	108th Wettest	Wettest since: 1946	2012
	Ties: 1950
Sep–Oct 1947 2-Month	5.15" (130.81mm)	6.73" (170.94mm)	-1.58" (-40.13mm)	36th Driest	Driest since: 1946	1941
Sep–Oct 1947 2-Month	5.15" (130.81mm)	6.73" (170.94mm)	-1.58" (-40.13mm)	93rd Wettest	Wettest since: 1945	1935
Aug–Oct 1947 3-Month	8.15" (207.01mm)	11.33" (287.78mm)	-3.18" (-80.77mm)	20th Driest	Driest since: 1941	1930
Aug–Oct 1947 3-Month	8.15" (207.01mm)	11.33" (287.78mm)	-3.18" (-80.77mm)	109th Wettest	Wettest since: 1946	2009
Jul–Oct 1947 4-Month	11.60" (294.64mm)	15.64" (397.26mm)	-4.04" (-102.62mm)	15th Driest	Driest since: 1930	1968
Jul–Oct 1947 4-Month	11.60" (294.64mm)	15.64" (397.26mm)	-4.04" (-102.62mm)	114th Wettest	Wettest since: 1946	2020
Jun–Oct 1947 5-Month	14.89" (378.21mm)	19.27" (489.46mm)	-4.38" (-111.25mm)	16th Driest	Driest since: 1940	1921
Jun–Oct 1947 5-Month	14.89" (378.21mm)	19.27" (489.46mm)	-4.38" (-111.25mm)	113th Wettest	Wettest since: 1946	1989
May–Oct 1947 6-Month	20.30" (515.62mm)	22.83" (579.88mm)	-2.53" (-64.26mm)	35th Driest	Driest since: 1944	1964
May–Oct 1947 6-Month	20.30" (515.62mm)	22.83" (579.88mm)	-2.53" (-64.26mm)	94th Wettest	Wettest since: 1946	1989
Apr–Oct 1947 7-Month	23.97" (608.84mm)	26.31" (668.27mm)	-2.34" (-59.43mm)	39th Driest	Driest since: 1944	1930
Apr–Oct 1947 7-Month	23.97" (608.84mm)	26.31" (668.27mm)	-2.34" (-59.43mm)	90th Wettest	Wettest since: 1946	1989
Mar–Oct 1947 8-Month	25.76" (654.30mm)	30.29" (769.37mm)	-4.53" (-115.07mm)	16th Driest	Driest since: 1941	1930
Mar–Oct 1947 8-Month	25.76" (654.30mm)	30.29" (769.37mm)	-4.53" (-115.07mm)	113th Wettest	Wettest since: 1946	1989
Feb–Oct 1947 9-Month	27.12" (688.85mm)	33.33" (846.58mm)	-6.21" (-157.73mm)	15th Driest	Driest since: 1941	1930
Feb–Oct 1947 9-Month	27.12" (688.85mm)	33.33" (846.58mm)	-6.21" (-157.73mm)	114th Wettest	Wettest since: 1946	1989
Jan–Oct 1947 10-Month	31.83" (808.48mm)	36.82" (935.23mm)	-4.99" (-126.75mm)	18th Driest	Driest since: 1941	1930
Jan–Oct 1947 10-Month	31.83" (808.48mm)	36.82" (935.23mm)	-4.99" (-126.75mm)	111th Wettest	Wettest since: 1946	1989
Dec 1946–Oct 1947 11-Month	33.91" (861.31mm)	40.29" (1,023.37mm)	-6.38" (-162.06mm)	17th Driest	Driest since: 1941	1930
Dec 1946–Oct 1947 11-Month	33.91" (861.31mm)	40.29" (1,023.37mm)	-6.38" (-162.06mm)	111th Wettest	Wettest since: 1946	1958
Nov 1946–Oct 1947 12-Month	35.74" (907.80mm)	43.35" (1,101.09mm)	-7.61" (-193.29mm)	14th Driest	Driest since: 1930	1930
Nov 1946–Oct 1947 12-Month	35.74" (907.80mm)	43.35" (1,101.09mm)	-7.61" (-193.29mm)	114th Wettest	Wettest since: 1946	1958
May 1946–Oct 1947 18-Month	58.94" (1,497.08mm)	66.15" (1,680.21mm)	-7.21" (-183.13mm)	23rd Driest	Driest since: 1941	1930
May 1946–Oct 1947 18-Month	58.94" (1,497.08mm)	66.15" (1,680.21mm)	-7.21" (-183.13mm)	105th Wettest	Wettest since: 1946	2010
Nov 1945–Oct 1947 24-Month	79.41" (2,017.01mm)	86.62" (2,200.15mm)	-7.21" (-183.14mm)	24th Driest	Driest since: 1944	1930
Nov 1945–Oct 1947 24-Month	79.41" (2,017.01mm)	86.62" (2,200.15mm)	-7.21" (-183.14mm)	103rd Wettest	Wettest since: 1946	1979
Nov 1944–Oct 1947 36-Month	129.56" (3,290.82mm)	129.89" (3,299.21mm)	-0.33" (-8.39mm)	54th Driest	Driest since: 1945	1931
Nov 1944–Oct 1947 36-Month	129.56" (3,290.82mm)	129.89" (3,299.21mm)	-0.33" (-8.39mm)	72nd Wettest	Wettest since: 1946	1937
Nov 1943–Oct 1947 48-Month	170.00" (4,318.00mm)	173.11" (4,396.99mm)	-3.11" (-78.99mm)	44th Driest	Driest since: 1944	1966
Nov 1943–Oct 1947 48-Month	170.00" (4,318.00mm)	173.11" (4,396.99mm)	-3.11" (-78.99mm)	81st Wettest	Wettest since: 1946	1938
Nov 1942–Oct 1947 60-Month	208.24" (5,289.30mm)	216.32" (5,494.53mm)	-8.08" (-205.23mm)	27th Driest	Driest since: 1944	1966
Nov 1942–Oct 1947 60-Month	208.24" (5,289.30mm)	216.32" (5,494.53mm)	-8.08" (-205.23mm)	97th Wettest	Wettest since: 1946	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings