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 1989

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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 1989 1-Month	8.42" (213.87mm)	4.31" (109.47mm)	4.11" (104.40mm)	123rd Driest	Driest since: 1988	1974
July 1989 1-Month	8.42" (213.87mm)	4.31" (109.47mm)	4.11" (104.40mm)	6th Wettest	Wettest since: 1959	1938
Jun–Jul 1989 2-Month	15.07" (382.78mm)	7.95" (201.93mm)	7.12" (180.85mm)	125th Driest	Driest since: 1988	1949
Jun–Jul 1989 2-Month	15.07" (382.78mm)	7.95" (201.93mm)	7.12" (180.85mm)	4th Wettest	Wettest since: 1945	2013
May–Jul 1989 3-Month	20.15" (511.81mm)	11.50" (292.10mm)	8.65" (219.71mm)	128th Driest	Driest since: 1988	1964
May–Jul 1989 3-Month	20.15" (511.81mm)	11.50" (292.10mm)	8.65" (219.71mm)	1st Wettest	Wettest to Date	1989
Apr–Jul 1989 4-Month	25.13" (638.30mm)	14.98" (380.49mm)	10.15" (257.81mm)	128th Driest	Driest since: 1988	1986
Apr–Jul 1989 4-Month	25.13" (638.30mm)	14.98" (380.49mm)	10.15" (257.81mm)	1st Wettest	Wettest to Date	1989
Mar–Jul 1989 5-Month	31.51" (800.35mm)	18.96" (481.58mm)	12.55" (318.77mm)	128th Driest	Driest since: 1988	1986
Mar–Jul 1989 5-Month	31.51" (800.35mm)	18.96" (481.58mm)	12.55" (318.77mm)	1st Wettest	Wettest to Date	1989
Feb–Jul 1989 6-Month	34.82" (884.43mm)	22.01" (559.05mm)	12.81" (325.38mm)	128th Driest	Driest since: 1988	1986
Feb–Jul 1989 6-Month	34.82" (884.43mm)	22.01" (559.05mm)	12.81" (325.38mm)	1st Wettest	Wettest to Date	1989
Jan–Jul 1989 7-Month	37.48" (951.99mm)	25.50" (647.70mm)	11.98" (304.29mm)	128th Driest	Driest since: 1988	1977
Jan–Jul 1989 7-Month	37.48" (951.99mm)	25.50" (647.70mm)	11.98" (304.29mm)	1st Wettest	Wettest to Date	1989
Dec 1988–Jul 1989 8-Month	38.20" (970.28mm)	28.96" (735.58mm)	9.24" (234.70mm)	123rd Driest	Driest since: 1988	1986
	38.20" (970.28mm)	28.96" (735.58mm)	9.24" (234.70mm)	5th Wettest	Wettest since: 1984	1958
	Ties: 1979
Nov 1988–Jul 1989 9-Month	43.14" (1,095.76mm)	32.02" (813.31mm)	11.12" (282.45mm)	124th Driest	Driest since: 1988	1977
Nov 1988–Jul 1989 9-Month	43.14" (1,095.76mm)	32.02" (813.31mm)	11.12" (282.45mm)	4th Wettest	Wettest since: 1984	1984
Oct 1988–Jul 1989 10-Month	45.66" (1,159.76mm)	35.18" (893.57mm)	10.48" (266.19mm)	122nd Driest	Driest since: 1988	2002
Oct 1988–Jul 1989 10-Month	45.66" (1,159.76mm)	35.18" (893.57mm)	10.48" (266.19mm)	6th Wettest	Wettest since: 1984	2003
Sep 1988–Jul 1989 11-Month	48.17" (1,223.52mm)	38.77" (984.76mm)	9.40" (238.76mm)	113th Driest	Driest since: 1988	2002
Sep 1988–Jul 1989 11-Month	48.17" (1,223.52mm)	38.77" (984.76mm)	9.40" (238.76mm)	15th Wettest	Wettest since: 1984	2003
Aug 1988–Jul 1989 12-Month	51.89" (1,318.01mm)	43.35" (1,101.09mm)	8.54" (216.92mm)	113th Driest	Driest since: 1988	1985
Aug 1988–Jul 1989 12-Month	51.89" (1,318.01mm)	43.35" (1,101.09mm)	8.54" (216.92mm)	15th Wettest	Wettest since: 1984	2003
Feb 1988–Jul 1989 18-Month	73.03" (1,854.96mm)	65.29" (1,658.37mm)	7.74" (196.59mm)	101st Driest	Driest since: 1988	1931
Feb 1988–Jul 1989 18-Month	73.03" (1,854.96mm)	65.29" (1,658.37mm)	7.74" (196.59mm)	27th Wettest	Wettest since: 1984	1984
Aug 1987–Jul 1989 24-Month	90.45" (2,297.43mm)	86.54" (2,198.12mm)	3.91" (99.31mm)	81st Driest	Driest since: 1988	1931
Aug 1987–Jul 1989 24-Month	90.45" (2,297.43mm)	86.54" (2,198.12mm)	3.91" (99.31mm)	46th Wettest	Wettest since: 1984	2004
Aug 1986–Jul 1989 36-Month	132.43" (3,363.72mm)	129.85" (3,298.19mm)	2.58" (65.53mm)	65th Driest	Driest since: 1988	1966
Aug 1986–Jul 1989 36-Month	132.43" (3,363.72mm)	129.85" (3,298.19mm)	2.58" (65.53mm)	61st Wettest	Wettest since: 1984	2005
Aug 1985–Jul 1989 48-Month	169.88" (4,314.95mm)	173.06" (4,395.72mm)	-3.18" (-80.77mm)	46th Driest	Driest since: 1988	1966
Aug 1985–Jul 1989 48-Month	169.88" (4,314.95mm)	173.06" (4,395.72mm)	-3.18" (-80.77mm)	79th Wettest	Wettest since: 1985	1938
Aug 1984–Jul 1989 60-Month	199.58" (5,069.33mm)	216.21" (5,491.73mm)	-16.63" (-422.40mm)	9th Driest	Driest since: 1969	1966
Aug 1984–Jul 1989 60-Month	199.58" (5,069.33mm)	216.21" (5,491.73mm)	-16.63" (-422.40mm)	115th Wettest	Wettest since: 1988	1938

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings