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, July 1981

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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
July 1981 1-Month	2.42" (61.47mm)	4.31" (109.47mm)	-1.89" (-48.00mm)	19th Driest	Driest since: 1977	1974
July 1981 1-Month	2.42" (61.47mm)	4.31" (109.47mm)	-1.89" (-48.00mm)	110th Wettest	Wettest since: 1980	1938
Jun–Jul 1981 2-Month	6.36" (161.54mm)	7.95" (201.93mm)	-1.59" (-40.39mm)	37th Driest	Driest since: 1977	1949
Jun–Jul 1981 2-Month	6.36" (161.54mm)	7.95" (201.93mm)	-1.59" (-40.39mm)	92nd Wettest	Wettest since: 1980	2013
May–Jul 1981 3-Month	11.27" (286.26mm)	11.50" (292.10mm)	-0.23" (-5.84mm)	59th Driest	Driest since: 1980	1964
	11.27" (286.26mm)	11.50" (292.10mm)	-0.23" (-5.84mm)	70th Wettest	Wettest since: 1979	1989
	Ties: 1985
Apr–Jul 1981 4-Month	15.56" (395.22mm)	14.98" (380.49mm)	0.58" (14.73mm)	70th Driest	Driest since: 1980	1986
Apr–Jul 1981 4-Month	15.56" (395.22mm)	14.98" (380.49mm)	0.58" (14.73mm)	59th Wettest	Wettest since: 1979	1989
Mar–Jul 1981 5-Month	17.33" (440.18mm)	18.96" (481.58mm)	-1.63" (-41.40mm)	40th Driest	Driest since: 1977	1986
Mar–Jul 1981 5-Month	17.33" (440.18mm)	18.96" (481.58mm)	-1.63" (-41.40mm)	89th Wettest	Wettest since: 1980	1989
Feb–Jul 1981 6-Month	20.89" (530.61mm)	22.01" (559.05mm)	-1.12" (-28.44mm)	50th Driest	Driest since: 1977	1986
Feb–Jul 1981 6-Month	20.89" (530.61mm)	22.01" (559.05mm)	-1.12" (-28.44mm)	79th Wettest	Wettest since: 1980	1989
Jan–Jul 1981 7-Month	21.41" (543.81mm)	25.50" (647.70mm)	-4.09" (-103.89mm)	20th Driest	Driest since: 1977	1977
Jan–Jul 1981 7-Month	21.41" (543.81mm)	25.50" (647.70mm)	-4.09" (-103.89mm)	109th Wettest	Wettest since: 1980	1989
Dec 1980–Jul 1981 8-Month	22.20" (563.88mm)	28.96" (735.58mm)	-6.76" (-171.70mm)	10th Driest	Driest since: 1977	1986
Dec 1980–Jul 1981 8-Month	22.20" (563.88mm)	28.96" (735.58mm)	-6.76" (-171.70mm)	118th Wettest	Wettest since: 1980	1958
Nov 1980–Jul 1981 9-Month	24.82" (630.43mm)	32.02" (813.31mm)	-7.20" (-182.88mm)	10th Driest	Driest since: 1977	1977
Nov 1980–Jul 1981 9-Month	24.82" (630.43mm)	32.02" (813.31mm)	-7.20" (-182.88mm)	118th Wettest	Wettest since: 1980	1984
Oct 1980–Jul 1981 10-Month	30.59" (776.99mm)	35.18" (893.57mm)	-4.59" (-116.58mm)	25th Driest	Driest since: 1977	2002
Oct 1980–Jul 1981 10-Month	30.59" (776.99mm)	35.18" (893.57mm)	-4.59" (-116.58mm)	103rd Wettest	Wettest since: 1980	2003
Sep 1980–Jul 1981 11-Month	33.43" (849.12mm)	38.77" (984.76mm)	-5.34" (-135.64mm)	21st Driest	Driest since: 1977	2002
Sep 1980–Jul 1981 11-Month	33.43" (849.12mm)	38.77" (984.76mm)	-5.34" (-135.64mm)	107th Wettest	Wettest since: 1980	2003
Aug 1980–Jul 1981 12-Month	35.99" (914.15mm)	43.35" (1,101.09mm)	-7.36" (-186.94mm)	13th Driest	Driest since: 1977	1985
Aug 1980–Jul 1981 12-Month	35.99" (914.15mm)	43.35" (1,101.09mm)	-7.36" (-186.94mm)	115th Wettest	Wettest since: 1980	2003
Feb 1980–Jul 1981 18-Month	57.20" (1,452.88mm)	65.29" (1,658.37mm)	-8.09" (-205.49mm)	20th Driest	Driest since: 1977	1931
Feb 1980–Jul 1981 18-Month	57.20" (1,452.88mm)	65.29" (1,658.37mm)	-8.09" (-205.49mm)	108th Wettest	Wettest since: 1980	1984
Aug 1979–Jul 1981 24-Month	82.26" (2,089.40mm)	86.54" (2,198.12mm)	-4.28" (-108.72mm)	37th Driest	Driest since: 1977	1931
Aug 1979–Jul 1981 24-Month	82.26" (2,089.40mm)	86.54" (2,198.12mm)	-4.28" (-108.72mm)	90th Wettest	Wettest since: 1980	2004
Aug 1978–Jul 1981 36-Month	132.16" (3,356.86mm)	129.85" (3,298.19mm)	2.31" (58.67mm)	64th Driest	Driest since: 1978	1966
Aug 1978–Jul 1981 36-Month	132.16" (3,356.86mm)	129.85" (3,298.19mm)	2.31" (58.67mm)	62nd Wettest	Wettest since: 1980	2005
Aug 1977–Jul 1981 48-Month	186.29" (4,731.77mm)	173.06" (4,395.72mm)	13.23" (336.05mm)	103rd Driest	Driest since: 1980	1966
Aug 1977–Jul 1981 48-Month	186.29" (4,731.77mm)	173.06" (4,395.72mm)	13.23" (336.05mm)	22nd Wettest	Wettest since: 1975	1938
Aug 1976–Jul 1981 60-Month	222.12" (5,641.85mm)	216.21" (5,491.73mm)	5.91" (150.12mm)	75th Driest	Driest since: 1978	1966
Aug 1976–Jul 1981 60-Month	222.12" (5,641.85mm)	216.21" (5,491.73mm)	5.91" (150.12mm)	49th Wettest	Wettest since: 1980	1938

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings