Portsmouth Rhode Island Weather Almanac
Tuesday, June 18, 2024
Clear Morning, Partly Cloudy Day To Clear Evening, Much Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		June 18, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		80		75		75		+5		91		in	1929		58		in	1920
Minimum Temperature		65		57		59		+6		68		in	1929		45		in	1965
Average Temperature		73		66		67		+6		80		in	1929		54		in	1920
Month Avg Max Temperature		75.2		71.1		72.0		+3.2		78.5		in	1925		64.2		in	1907
Month Avg Min Temperature		58.0		54.4		55.8		+2.2		59.4		in	1899		49.1		in	1907
Month Average Temperature		66.9		62.9		64.0		+2.9		68.9		in	1925		56.8		in	1907
High Heat Index		83		76		75		+8		97		in	1929
Low Wind Chill															44		in	1965
Heating Degree Days		0		0		1		-1		11		in	1920		0		in	2024
Month Heating DD		5		55		41		-36		156		in	1907		3		in	1899
Season Heating DD		4952		4777		5500		-548		6601		in	1905		4421		in	1932
Cooling Degree Days		8		1		3		+5		15		in	1929		0		in	2022
Month Cooling DD		39		18		31		+8		86		in	1925		0		in	1965
Year Cooling DD		49		18		42		+7		87		in	2001		1		in	2003
Maximum Dew Point		71		63		64		+7		73		in	1994		42		in	1950
Minimum Dew Point		62		56		54		+8		65		in	1994		32		in	1950
Average  Dew Point		67		60		59		+8		69		in	1994		37		in	1950
Month Avg Max Dew Point		63.9		60.4		61.1		+2.9		65.8		in	1996		52.9		in	1965
Month Avg Min Dew Point		53.3		52.1		51.2		+2.1		55.2		in	2005		42.0		in	1958
Month Average Dew Point		58.6		56.3		56.0		+2.6		60.3		in	1996		48.2		in	1965
Precipitation		.00		.01		.12		-.12		2.30		in	1922
One Hour Rain		.00		.01						.23		in	2009
Half Hour Rain		.00		.01						.13		in	2019
Hourly Rain Rate		.00		.04						1.19		in	2004
Month Precipitation		.77		1.23		2.13		-1.36		8.66		in	1982		T		in	1949
Year Precipitation		29.93		21.90		21.30		+8.63		38.15		in	1998		12.64		in	1957
Snow		0.0		0.0		######		######		0.0		in	1900
Snow Depth		0		0		38886		-38886		44000		in
Month Snow		#N/A		#N/A		#N/A		#N/A		#N/A		in	#N/A		#N/A		in	Many
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		June 18, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		98%		92%		+3%		100%		in	2017		57%		in	1956
Minimum Humidity		73%		61%		58%		+15%		95%		in	2017		28%		in	1950
Average Humidity		84%		80%		75%		+9%		98%		in	2017		45%		in	1956
Maximum Barometer		30.29		29.95		30.06		+00.23		30.39		in	1954		29.62		in	1952
Minimum Barometer		30.18		29.66		29.85		+00.33		30.18		in	2024		29.32		in	1985
Average Barometer		30.24		29.81		29.96		+00.28		30.25		in	1954		29.57		in	1952
Average Wind		7.8		7.6		5.5		+2.3		10.2		in	1984		1.8		in	1998
Direction		SSW		WNW		SSW				S					SSE
High Wind Gust		24		20		21		+3		41		in	1909		11		in	1998
Direction		SSW		NW		S				NW					SSE
Maximum Water Temp		68.4		64.2		65.0		+3.4		69.4		in	2007		60.7		in	2003
Minimum Water Temp		66.2		62.8		61.4		+4.8		66.2		in	2024		54.9		in	2005
Average Water Temp		67.3		63.5		63.2		+4.1		67.6		in	2007		59.0		in	2005
Sunrise/ AM Twilight		5:10:37 AM						4:37:11 AM
Sunset / PM Twilight		8:21:51 PM						8:56:05 PM
Length Of Day		15:11:14
Special Conditions		None
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