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 1989

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1989 1-Month	5.34" (135.64mm)	4.59" (116.59mm)	0.75" (19.05mm)	91st Driest	Driest since: 1988	2008
August 1989 1-Month	5.34" (135.64mm)	4.59" (116.59mm)	0.75" (19.05mm)	38th Wettest	Wettest since: 1985	1967
Jul–Aug 1989 2-Month	13.76" (349.50mm)	8.90" (226.06mm)	4.86" (123.44mm)	118th Driest	Driest since: 1988	1966
Jul–Aug 1989 2-Month	13.76" (349.50mm)	8.90" (226.06mm)	4.86" (123.44mm)	11th Wettest	Wettest since: 1969	1919
Jun–Aug 1989 3-Month	20.41" (518.41mm)	12.54" (318.52mm)	7.87" (199.89mm)	125th Driest	Driest since: 1988	1966
Jun–Aug 1989 3-Month	20.41" (518.41mm)	12.54" (318.52mm)	7.87" (199.89mm)	4th Wettest	Wettest since: 1967	2013
May–Aug 1989 4-Month	25.49" (647.45mm)	16.10" (408.94mm)	9.39" (238.51mm)	126th Driest	Driest since: 1988	1964
May–Aug 1989 4-Month	25.49" (647.45mm)	16.10" (408.94mm)	9.39" (238.51mm)	3rd Wettest	Wettest since: 1948	1919
Apr–Aug 1989 5-Month	30.47" (773.94mm)	19.58" (497.33mm)	10.89" (276.61mm)	127th Driest	Driest since: 1988	1957
Apr–Aug 1989 5-Month	30.47" (773.94mm)	19.58" (497.33mm)	10.89" (276.61mm)	2nd Wettest	Wettest since: 1919	1919
Mar–Aug 1989 6-Month	36.85" (935.99mm)	23.55" (598.17mm)	13.30" (337.82mm)	128th Driest	Driest since: 1988	1930
Mar–Aug 1989 6-Month	36.85" (935.99mm)	23.55" (598.17mm)	13.30" (337.82mm)	1st Wettest	Wettest to Date	1989
Feb–Aug 1989 7-Month	40.16" (1,020.06mm)	26.60" (675.64mm)	13.56" (344.42mm)	127th Driest	Driest since: 1988	1930
Feb–Aug 1989 7-Month	40.16" (1,020.06mm)	26.60" (675.64mm)	13.56" (344.42mm)	2nd Wettest	Wettest since: 1958	1958
Jan–Aug 1989 8-Month	42.82" (1,087.63mm)	30.09" (764.29mm)	12.73" (323.34mm)	127th Driest	Driest since: 1988	1930
Jan–Aug 1989 8-Month	42.82" (1,087.63mm)	30.09" (764.29mm)	12.73" (323.34mm)	2nd Wettest	Wettest since: 1958	1958
Dec 1988–Aug 1989 9-Month	43.54" (1,105.92mm)	33.55" (852.17mm)	9.99" (253.75mm)	122nd Driest	Driest since: 1988	1930
Dec 1988–Aug 1989 9-Month	43.54" (1,105.92mm)	33.55" (852.17mm)	9.99" (253.75mm)	6th Wettest	Wettest since: 1979	1958
Nov 1988–Aug 1989 10-Month	48.48" (1,231.39mm)	36.62" (930.15mm)	11.86" (301.24mm)	124th Driest	Driest since: 1988	1977
Nov 1988–Aug 1989 10-Month	48.48" (1,231.39mm)	36.62" (930.15mm)	11.86" (301.24mm)	4th Wettest	Wettest since: 1958	1958
Oct 1988–Aug 1989 11-Month	51.00" (1,295.40mm)	39.77" (1,010.16mm)	11.23" (285.24mm)	121st Driest	Driest since: 1988	1966
Oct 1988–Aug 1989 11-Month	51.00" (1,295.40mm)	39.77" (1,010.16mm)	11.23" (285.24mm)	7th Wettest	Wettest since: 1978	1958
Sep 1988–Aug 1989 12-Month	53.51" (1,359.15mm)	43.36" (1,101.34mm)	10.15" (257.81mm)	115th Driest	Driest since: 1988	1966
Sep 1988–Aug 1989 12-Month	53.51" (1,359.15mm)	43.36" (1,101.34mm)	10.15" (257.81mm)	13th Wettest	Wettest since: 1984	1958
Mar 1988–Aug 1989 18-Month	74.25" (1,885.95mm)	66.82" (1,697.23mm)	7.43" (188.72mm)	94th Driest	Driest since: 1988	1966
Mar 1988–Aug 1989 18-Month	74.25" (1,885.95mm)	66.82" (1,697.23mm)	7.43" (188.72mm)	34th Wettest	Wettest since: 1984	1984
Sep 1987–Aug 1989 24-Month	94.16" (2,391.66mm)	86.56" (2,198.62mm)	7.60" (193.04mm)	95th Driest	Driest since: 1988	1966
Sep 1987–Aug 1989 24-Month	94.16" (2,391.66mm)	86.56" (2,198.62mm)	7.60" (193.04mm)	32nd Wettest	Wettest since: 1984	2004
Sep 1986–Aug 1989 36-Month	133.26" (3,384.80mm)	129.84" (3,297.94mm)	3.42" (86.86mm)	69th Driest	Driest since: 1988	1966
Sep 1986–Aug 1989 36-Month	133.26" (3,384.80mm)	129.84" (3,297.94mm)	3.42" (86.86mm)	57th Wettest	Wettest since: 1985	2005
Sep 1985–Aug 1989 48-Month	168.21" (4,272.53mm)	173.06" (4,395.72mm)	-4.85" (-123.19mm)	43rd Driest	Driest since: 1988	1966
Sep 1985–Aug 1989 48-Month	168.21" (4,272.53mm)	173.06" (4,395.72mm)	-4.85" (-123.19mm)	82nd Wettest	Wettest since: 1986	1939
Sep 1984–Aug 1989 60-Month	203.03" (5,156.96mm)	216.24" (5,492.50mm)	-13.21" (-335.54mm)	15th Driest	Driest since: 1970	1966
	203.03" (5,156.96mm)	216.24" (5,492.50mm)	-13.21" (-335.54mm)	109th Wettest	Wettest since: 1988	1937
	Ties: 1925

Citing This Page

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