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 1977

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1977 1-Month	3.75" (95.25mm)	4.59" (116.59mm)	-0.84" (-21.34mm)	57th Driest	Driest since: 1975	2008
	3.75" (95.25mm)	4.59" (116.59mm)	-0.84" (-21.34mm)	72nd Wettest	Wettest since: 1976	1967
	Ties: 1935
Jul–Aug 1977 2-Month	5.92" (150.37mm)	8.90" (226.06mm)	-2.98" (-75.69mm)	25th Driest	Driest since: 1972	1966
Jul–Aug 1977 2-Month	5.92" (150.37mm)	8.90" (226.06mm)	-2.98" (-75.69mm)	104th Wettest	Wettest since: 1976	1919
Jun–Aug 1977 3-Month	9.34" (237.24mm)	12.54" (318.52mm)	-3.20" (-81.28mm)	29th Driest	Driest since: 1968	1966
Jun–Aug 1977 3-Month	9.34" (237.24mm)	12.54" (318.52mm)	-3.20" (-81.28mm)	100th Wettest	Wettest since: 1976	2013
May–Aug 1977 4-Month	11.02" (279.91mm)	16.10" (408.94mm)	-5.08" (-129.03mm)	13th Driest	Driest since: 1966	1964
May–Aug 1977 4-Month	11.02" (279.91mm)	16.10" (408.94mm)	-5.08" (-129.03mm)	116th Wettest	Wettest since: 1976	1919
Apr–Aug 1977 5-Month	13.71" (348.23mm)	19.58" (497.33mm)	-5.87" (-149.10mm)	9th Driest	Driest since: 1968	1957
Apr–Aug 1977 5-Month	13.71" (348.23mm)	19.58" (497.33mm)	-5.87" (-149.10mm)	120th Wettest	Wettest since: 1976	1919
Mar–Aug 1977 6-Month	16.30" (414.02mm)	23.55" (598.17mm)	-7.25" (-184.15mm)	7th Driest	Driest since: 1966	1930
Mar–Aug 1977 6-Month	16.30" (414.02mm)	23.55" (598.17mm)	-7.25" (-184.15mm)	122nd Wettest	Wettest since: 1976	1989
Feb–Aug 1977 7-Month	17.91" (454.91mm)	26.60" (675.64mm)	-8.69" (-220.73mm)	4th Driest	Driest since: 1930	1930
Feb–Aug 1977 7-Month	17.91" (454.91mm)	26.60" (675.64mm)	-8.69" (-220.73mm)	125th Wettest	Wettest since: 1976	1958
Jan–Aug 1977 8-Month	20.32" (516.13mm)	30.09" (764.29mm)	-9.77" (-248.16mm)	2nd Driest	Driest since: 1930	1930
Jan–Aug 1977 8-Month	20.32" (516.13mm)	30.09" (764.29mm)	-9.77" (-248.16mm)	127th Wettest	Wettest since: 1976	1958
Dec 1976–Aug 1977 9-Month	23.02" (584.71mm)	33.55" (852.17mm)	-10.53" (-267.46mm)	3rd Driest	Driest since: 1930	1930
Dec 1976–Aug 1977 9-Month	23.02" (584.71mm)	33.55" (852.17mm)	-10.53" (-267.46mm)	125th Wettest	Wettest since: 1976	1958
Nov 1976–Aug 1977 10-Month	24.02" (610.11mm)	36.62" (930.15mm)	-12.60" (-320.04mm)	1st Driest	Driest since: 1977	1977
Nov 1976–Aug 1977 10-Month	24.02" (610.11mm)	36.62" (930.15mm)	-12.60" (-320.04mm)	127th Wettest	Wettest since: 1976	1958
Oct 1976–Aug 1977 11-Month	31.89" (810.01mm)	39.77" (1,010.16mm)	-7.88" (-200.15mm)	11th Driest	Driest since: 1968	1966
Oct 1976–Aug 1977 11-Month	31.89" (810.01mm)	39.77" (1,010.16mm)	-7.88" (-200.15mm)	117th Wettest	Wettest since: 1976	1958
Sep 1976–Aug 1977 12-Month	35.36" (898.14mm)	43.36" (1,101.34mm)	-8.00" (-203.20mm)	11th Driest	Driest since: 1968	1966
Sep 1976–Aug 1977 12-Month	35.36" (898.14mm)	43.36" (1,101.34mm)	-8.00" (-203.20mm)	117th Wettest	Wettest since: 1976	1958
Mar 1976–Aug 1977 18-Month	51.77" (1,314.96mm)	66.82" (1,697.23mm)	-15.05" (-382.27mm)	3rd Driest	Driest since: 1966	1966
Mar 1976–Aug 1977 18-Month	51.77" (1,314.96mm)	66.82" (1,697.23mm)	-15.05" (-382.27mm)	125th Wettest	Wettest since: 1976	1984
Sep 1975–Aug 1977 24-Month	75.16" (1,909.06mm)	86.56" (2,198.62mm)	-11.40" (-289.56mm)	11th Driest	Driest since: 1966	1966
Sep 1975–Aug 1977 24-Month	75.16" (1,909.06mm)	86.56" (2,198.62mm)	-11.40" (-289.56mm)	116th Wettest	Wettest since: 1976	2004
Sep 1974–Aug 1977 36-Month	124.60" (3,164.84mm)	129.84" (3,297.94mm)	-5.24" (-133.10mm)	35th Driest	Driest since: 1970	1966
Sep 1974–Aug 1977 36-Month	124.60" (3,164.84mm)	129.84" (3,297.94mm)	-5.24" (-133.10mm)	91st Wettest	Wettest since: 1976	2005
Sep 1973–Aug 1977 48-Month	165.19" (4,195.83mm)	173.06" (4,395.72mm)	-7.87" (-199.89mm)	26th Driest	Driest since: 1971	1966
Sep 1973–Aug 1977 48-Month	165.19" (4,195.83mm)	173.06" (4,395.72mm)	-7.87" (-199.89mm)	99th Wettest	Wettest since: 1976	1939
Sep 1972–Aug 1977 60-Month	216.29" (5,493.77mm)	216.24" (5,492.50mm)	0.05" (1.27mm)	52nd Driest	Driest since: 1972	1966
Sep 1972–Aug 1977 60-Month	216.29" (5,493.77mm)	216.24" (5,492.50mm)	0.05" (1.27mm)	72nd Wettest	Wettest since: 1976	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings