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 1977

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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 1977 1-Month	2.17" (55.12mm)	4.31" (109.47mm)	-2.14" (-54.35mm)	13th Driest	Driest since: 1974	1974
July 1977 1-Month	2.17" (55.12mm)	4.31" (109.47mm)	-2.14" (-54.35mm)	116th Wettest	Wettest since: 1976	1938
Jun–Jul 1977 2-Month	5.59" (141.99mm)	7.95" (201.93mm)	-2.36" (-59.94mm)	20th Driest	Driest since: 1974	1949
Jun–Jul 1977 2-Month	5.59" (141.99mm)	7.95" (201.93mm)	-2.36" (-59.94mm)	109th Wettest	Wettest since: 1976	2013
May–Jul 1977 3-Month	7.27" (184.66mm)	11.50" (292.10mm)	-4.23" (-107.44mm)	9th Driest	Driest since: 1964	1964
May–Jul 1977 3-Month	7.27" (184.66mm)	11.50" (292.10mm)	-4.23" (-107.44mm)	120th Wettest	Wettest since: 1976	1989
Apr–Jul 1977 4-Month	9.96" (252.98mm)	14.98" (380.49mm)	-5.02" (-127.51mm)	5th Driest	Driest since: 1963	1986
Apr–Jul 1977 4-Month	9.96" (252.98mm)	14.98" (380.49mm)	-5.02" (-127.51mm)	124th Wettest	Wettest since: 1976	1989
Mar–Jul 1977 5-Month	12.55" (318.77mm)	18.96" (481.58mm)	-6.41" (-162.81mm)	5th Driest	Driest since: 1976	1986
Mar–Jul 1977 5-Month	12.55" (318.77mm)	18.96" (481.58mm)	-6.41" (-162.81mm)	124th Wettest	Wettest since: 1975	1989
Feb–Jul 1977 6-Month	14.16" (359.66mm)	22.01" (559.05mm)	-7.85" (-199.39mm)	3rd Driest	Driest since: 1976	1986
Feb–Jul 1977 6-Month	14.16" (359.66mm)	22.01" (559.05mm)	-7.85" (-199.39mm)	126th Wettest	Wettest since: 1975	1989
Jan–Jul 1977 7-Month	16.57" (420.88mm)	25.50" (647.70mm)	-8.93" (-226.82mm)	1st Driest	Driest to Date	1977
Jan–Jul 1977 7-Month	16.57" (420.88mm)	25.50" (647.70mm)	-8.93" (-226.82mm)	128th Wettest	Wettest since: 1976	1989
Dec 1976–Jul 1977 8-Month	19.27" (489.46mm)	28.96" (735.58mm)	-9.69" (-246.12mm)	2nd Driest	Driest to Date	1986
Dec 1976–Jul 1977 8-Month	19.27" (489.46mm)	28.96" (735.58mm)	-9.69" (-246.12mm)	126th Wettest	Wettest since: 1976	1958
Nov 1976–Jul 1977 9-Month	20.27" (514.86mm)	32.02" (813.31mm)	-11.75" (-298.45mm)	1st Driest	Driest to Date	1977
Nov 1976–Jul 1977 9-Month	20.27" (514.86mm)	32.02" (813.31mm)	-11.75" (-298.45mm)	127th Wettest	Wettest since: 1976	1984
Oct 1976–Jul 1977 10-Month	28.14" (714.76mm)	35.18" (893.57mm)	-7.04" (-178.81mm)	12th Driest	Driest since: 1966	2002
Oct 1976–Jul 1977 10-Month	28.14" (714.76mm)	35.18" (893.57mm)	-7.04" (-178.81mm)	116th Wettest	Wettest since: 1976	2003
Sep 1976–Jul 1977 11-Month	31.61" (802.89mm)	38.77" (984.76mm)	-7.16" (-181.87mm)	13th Driest	Driest since: 1966	2002
Sep 1976–Jul 1977 11-Month	31.61" (802.89mm)	38.77" (984.76mm)	-7.16" (-181.87mm)	115th Wettest	Wettest since: 1976	2003
Aug 1976–Jul 1977 12-Month	35.83" (910.08mm)	43.35" (1,101.09mm)	-7.52" (-191.01mm)	12th Driest	Driest since: 1966	1985
Aug 1976–Jul 1977 12-Month	35.83" (910.08mm)	43.35" (1,101.09mm)	-7.52" (-191.01mm)	116th Wettest	Wettest since: 1976	2003
Feb 1976–Jul 1977 18-Month	49.71" (1,262.63mm)	65.29" (1,658.37mm)	-15.58" (-395.74mm)	3rd Driest	Driest since: 1966	1931
Feb 1976–Jul 1977 18-Month	49.71" (1,262.63mm)	65.29" (1,658.37mm)	-15.58" (-395.74mm)	125th Wettest	Wettest since: 1976	1984
Aug 1975–Jul 1977 24-Month	74.38" (1,889.25mm)	86.54" (2,198.12mm)	-12.16" (-308.87mm)	8th Driest	Driest since: 1967	1931
	74.38" (1,889.25mm)	86.54" (2,198.12mm)	-12.16" (-308.87mm)	119th Wettest	Wettest since: 1976	2004
	Ties: 1963
Aug 1974–Jul 1977 36-Month	126.08" (3,202.43mm)	129.85" (3,298.19mm)	-3.77" (-95.76mm)	41st Driest	Driest since: 1971	1966
Aug 1974–Jul 1977 36-Month	126.08" (3,202.43mm)	129.85" (3,298.19mm)	-3.77" (-95.76mm)	85th Wettest	Wettest since: 1976	2005
Aug 1973–Jul 1977 48-Month	167.29" (4,249.17mm)	173.06" (4,395.72mm)	-5.77" (-146.55mm)	33rd Driest	Driest since: 1971	1966
Aug 1973–Jul 1977 48-Month	167.29" (4,249.17mm)	173.06" (4,395.72mm)	-5.77" (-146.55mm)	92nd Wettest	Wettest since: 1976	1938
Aug 1972–Jul 1977 60-Month	214.85" (5,457.19mm)	216.21" (5,491.73mm)	-1.36" (-34.54mm)	49th Driest	Driest since: 1971	1966
Aug 1972–Jul 1977 60-Month	214.85" (5,457.19mm)	216.21" (5,491.73mm)	-1.36" (-34.54mm)	75th Wettest	Wettest since: 1976	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