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, August 1964

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1964 1-Month	1.46" (37.08mm)	4.59" (116.59mm)	-3.13" (-79.51mm)	4th Driest	Driest since: 1943	2008
August 1964 1-Month	1.46" (37.08mm)	4.59" (116.59mm)	-3.13" (-79.51mm)	125th Wettest	Wettest since: 1963	1967
Jul–Aug 1964 2-Month	4.85" (123.19mm)	8.90" (226.06mm)	-4.05" (-102.87mm)	10th Driest	Driest since: 1963	1966
Jul–Aug 1964 2-Month	4.85" (123.19mm)	8.90" (226.06mm)	-4.05" (-102.87mm)	119th Wettest	Wettest since: 1961	1919
Jun–Aug 1964 3-Month	6.21" (157.73mm)	12.54" (318.52mm)	-6.33" (-160.79mm)	2nd Driest	Driest since: 1964	1966
Jun–Aug 1964 3-Month	6.21" (157.73mm)	12.54" (318.52mm)	-6.33" (-160.79mm)	127th Wettest	Wettest since: 1963	2013
May–Aug 1964 4-Month	6.60" (167.64mm)	16.10" (408.94mm)	-9.50" (-241.30mm)	1st Driest	Driest since: 1964	1964
May–Aug 1964 4-Month	6.60" (167.64mm)	16.10" (408.94mm)	-9.50" (-241.30mm)	128th Wettest	Wettest since: 1963	1919
Apr–Aug 1964 5-Month	11.79" (299.47mm)	19.58" (497.33mm)	-7.79" (-197.86mm)	2nd Driest	Driest since: 1957	1957
Apr–Aug 1964 5-Month	11.79" (299.47mm)	19.58" (497.33mm)	-7.79" (-197.86mm)	127th Wettest	Wettest since: 1963	1919
Mar–Aug 1964 6-Month	14.73" (374.14mm)	23.55" (598.17mm)	-8.82" (-224.03mm)	4th Driest	Driest since: 1957	1930
Mar–Aug 1964 6-Month	14.73" (374.14mm)	23.55" (598.17mm)	-8.82" (-224.03mm)	125th Wettest	Wettest since: 1963	1989
Feb–Aug 1964 7-Month	19.25" (488.95mm)	26.60" (675.64mm)	-7.35" (-186.69mm)	9th Driest	Driest since: 1957	1930
Feb–Aug 1964 7-Month	19.25" (488.95mm)	26.60" (675.64mm)	-7.35" (-186.69mm)	120th Wettest	Wettest since: 1963	1958
Jan–Aug 1964 8-Month	23.67" (601.22mm)	30.09" (764.29mm)	-6.42" (-163.07mm)	14th Driest	Driest since: 1963	1930
Jan–Aug 1964 8-Month	23.67" (601.22mm)	30.09" (764.29mm)	-6.42" (-163.07mm)	115th Wettest	Wettest since: 1962	1958
Dec 1963–Aug 1964 9-Month	25.85" (656.59mm)	33.55" (852.17mm)	-7.70" (-195.58mm)	11th Driest	Driest since: 1963	1930
Dec 1963–Aug 1964 9-Month	25.85" (656.59mm)	33.55" (852.17mm)	-7.70" (-195.58mm)	117th Wettest	Wettest since: 1962	1958
Nov 1963–Aug 1964 10-Month	32.10" (815.34mm)	36.62" (930.15mm)	-4.52" (-114.81mm)	31st Driest	Driest since: 1963	1977
Nov 1963–Aug 1964 10-Month	32.10" (815.34mm)	36.62" (930.15mm)	-4.52" (-114.81mm)	97th Wettest	Wettest since: 1961	1958
Oct 1963–Aug 1964 11-Month	32.22" (818.39mm)	39.77" (1,010.16mm)	-7.55" (-191.77mm)	13th Driest	Driest since: 1930	1966
Oct 1963–Aug 1964 11-Month	32.22" (818.39mm)	39.77" (1,010.16mm)	-7.55" (-191.77mm)	115th Wettest	Wettest since: 1963	1958
Sep 1963–Aug 1964 12-Month	37.04" (940.82mm)	43.36" (1,101.34mm)	-6.32" (-160.52mm)	20th Driest	Driest since: 1963	1966
Sep 1963–Aug 1964 12-Month	37.04" (940.82mm)	43.36" (1,101.34mm)	-6.32" (-160.52mm)	108th Wettest	Wettest since: 1962	1958
Mar 1963–Aug 1964 18-Month	55.46" (1,408.68mm)	66.82" (1,697.23mm)	-11.36" (-288.55mm)	9th Driest	Driest since: 1963	1966
Mar 1963–Aug 1964 18-Month	55.46" (1,408.68mm)	66.82" (1,697.23mm)	-11.36" (-288.55mm)	119th Wettest	Wettest since: 1962	1984
Sep 1962–Aug 1964 24-Month	72.69" (1,846.33mm)	86.56" (2,198.62mm)	-13.87" (-352.29mm)	5th Driest	Driest since: 1931	1966
Sep 1962–Aug 1964 24-Month	72.69" (1,846.33mm)	86.56" (2,198.62mm)	-13.87" (-352.29mm)	122nd Wettest	Wettest since: 1963	2004
Sep 1961–Aug 1964 36-Month	111.15" (2,823.21mm)	129.84" (3,297.94mm)	-18.69" (-474.73mm)	6th Driest	Driest since: 1932	1966
Sep 1961–Aug 1964 36-Month	111.15" (2,823.21mm)	129.84" (3,297.94mm)	-18.69" (-474.73mm)	120th Wettest	Wettest since: 1963	2005
Sep 1960–Aug 1964 48-Month	159.73" (4,057.14mm)	173.06" (4,395.72mm)	-13.33" (-338.58mm)	14th Driest	Driest since: 1957	1966
Sep 1960–Aug 1964 48-Month	159.73" (4,057.14mm)	173.06" (4,395.72mm)	-13.33" (-338.58mm)	111th Wettest	Wettest since: 1963	1939
Sep 1959–Aug 1964 60-Month	201.80" (5,125.72mm)	216.24" (5,492.50mm)	-14.44" (-366.78mm)	11th Driest	Driest since: 1944	1966
Sep 1959–Aug 1964 60-Month	201.80" (5,125.72mm)	216.24" (5,492.50mm)	-14.44" (-366.78mm)	113th Wettest	Wettest since: 1963	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings