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 1979

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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 1979 1-Month	4.00" (101.60mm)	3.13" (79.50mm)	0.87" (22.10mm)	87th Driest	Driest since: 1978	1963
October 1979 1-Month	4.00" (101.60mm)	3.13" (79.50mm)	0.87" (22.10mm)	42nd Wettest	Wettest since: 1976	2012
Sep–Oct 1979 2-Month	9.86" (250.44mm)	6.73" (170.94mm)	3.13" (79.50mm)	110th Driest	Driest since: 1978	1941
Sep–Oct 1979 2-Month	9.86" (250.44mm)	6.73" (170.94mm)	3.13" (79.50mm)	19th Wettest	Wettest since: 1976	1935
Aug–Oct 1979 3-Month	16.25" (412.75mm)	11.33" (287.78mm)	4.92" (124.97mm)	117th Driest	Driest since: 1978	1930
Aug–Oct 1979 3-Month	16.25" (412.75mm)	11.33" (287.78mm)	4.92" (124.97mm)	12th Wettest	Wettest since: 1971	2009
Jul–Oct 1979 4-Month	20.29" (515.37mm)	15.64" (397.26mm)	4.65" (118.11mm)	103rd Driest	Driest since: 1978	1968
Jul–Oct 1979 4-Month	20.29" (515.37mm)	15.64" (397.26mm)	4.65" (118.11mm)	26th Wettest	Wettest since: 1975	2020
Jun–Oct 1979 5-Month	25.02" (635.51mm)	19.27" (489.46mm)	5.75" (146.05mm)	108th Driest	Driest since: 1978	1921
Jun–Oct 1979 5-Month	25.02" (635.51mm)	19.27" (489.46mm)	5.75" (146.05mm)	21st Wettest	Wettest since: 1975	1989
May–Oct 1979 6-Month	29.13" (739.90mm)	22.83" (579.88mm)	6.30" (160.02mm)	109th Driest	Driest since: 1978	1964
May–Oct 1979 6-Month	29.13" (739.90mm)	22.83" (579.88mm)	6.30" (160.02mm)	20th Wettest	Wettest since: 1975	1989
Apr–Oct 1979 7-Month	32.51" (825.75mm)	26.31" (668.27mm)	6.20" (157.48mm)	107th Driest	Driest since: 1978	1930
Apr–Oct 1979 7-Month	32.51" (825.75mm)	26.31" (668.27mm)	6.20" (157.48mm)	22nd Wettest	Wettest since: 1975	1989
Mar–Oct 1979 8-Month	36.13" (917.70mm)	30.29" (769.37mm)	5.84" (148.33mm)	108th Driest	Driest since: 1978	1930
Mar–Oct 1979 8-Month	36.13" (917.70mm)	30.29" (769.37mm)	5.84" (148.33mm)	21st Wettest	Wettest since: 1975	1989
Feb–Oct 1979 9-Month	42.44" (1,077.98mm)	33.33" (846.58mm)	9.11" (231.40mm)	121st Driest	Driest since: 1978	1930
Feb–Oct 1979 9-Month	42.44" (1,077.98mm)	33.33" (846.58mm)	9.11" (231.40mm)	8th Wettest	Wettest since: 1975	1989
Jan–Oct 1979 10-Month	49.96" (1,268.98mm)	36.82" (935.23mm)	13.14" (333.75mm)	127th Driest	Driest since: 1978	1930
Jan–Oct 1979 10-Month	49.96" (1,268.98mm)	36.82" (935.23mm)	13.14" (333.75mm)	2nd Wettest	Wettest to Date	1989
Dec 1978–Oct 1979 11-Month	54.45" (1,383.03mm)	40.29" (1,023.37mm)	14.16" (359.66mm)	126th Driest	Driest since: 1978	1930
Dec 1978–Oct 1979 11-Month	54.45" (1,383.03mm)	40.29" (1,023.37mm)	14.16" (359.66mm)	2nd Wettest	Wettest since: 1958	1958
Nov 1978–Oct 1979 12-Month	57.70" (1,465.58mm)	43.35" (1,101.09mm)	14.35" (364.49mm)	125th Driest	Driest since: 1978	1930
Nov 1978–Oct 1979 12-Month	57.70" (1,465.58mm)	43.35" (1,101.09mm)	14.35" (364.49mm)	3rd Wettest	Wettest since: 1958	1958
May 1978–Oct 1979 18-Month	79.81" (2,027.17mm)	66.15" (1,680.21mm)	13.66" (346.96mm)	119th Driest	Driest since: 1978	1930
May 1978–Oct 1979 18-Month	79.81" (2,027.17mm)	66.15" (1,680.21mm)	13.66" (346.96mm)	9th Wettest	Wettest since: 1939	2010
Nov 1977–Oct 1979 24-Month	108.70" (2,760.98mm)	86.62" (2,200.15mm)	22.08" (560.83mm)	126th Driest	Driest since: 1978	1930
Nov 1977–Oct 1979 24-Month	108.70" (2,760.98mm)	86.62" (2,200.15mm)	22.08" (560.83mm)	1st Wettest	Wettest to Date	1979
Nov 1976–Oct 1979 36-Month	140.55" (3,569.97mm)	129.89" (3,299.21mm)	10.66" (270.76mm)	99th Driest	Driest since: 1978	1931
Nov 1976–Oct 1979 36-Month	140.55" (3,569.97mm)	129.89" (3,299.21mm)	10.66" (270.76mm)	27th Wettest	Wettest since: 1975	1937
Nov 1975–Oct 1979 48-Month	181.37" (4,606.80mm)	173.11" (4,396.99mm)	8.26" (209.81mm)	85th Driest	Driest since: 1978	1966
Nov 1975–Oct 1979 48-Month	181.37" (4,606.80mm)	173.11" (4,396.99mm)	8.26" (209.81mm)	40th Wettest	Wettest since: 1976	1938
Nov 1974–Oct 1979 60-Month	235.09" (5,971.29mm)	216.32" (5,494.53mm)	18.77" (476.76mm)	111th Driest	Driest since: 1978	1966
Nov 1974–Oct 1979 60-Month	235.09" (5,971.29mm)	216.32" (5,494.53mm)	18.77" (476.76mm)	13th Wettest	Wettest since: 1975	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings