Portsmouth Rhode Island Weather Almanac
Wednesday, June 12, 2024
Clear to Partly Cloudy PM, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		June 12, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		76		76		73		+3		88		in	1933		56		in	2000
Minimum Temperature		56		60		57		-1		68		in	1973		42		in	1980
Average Temperature		66		68		65		+1		75		in	2017		54		in	2000
Month Avg Max Temperature		74.7		69.5		71.1		+3.6		79.3		in	1925		60.5		in	1907
Month Avg Min Temperature		57.2		52.3		54.8		+2.3		60.5		in	2008		46.9		in	1907
Month Average Temperature		66.3		61.1		63.1		+3.2		69.3		in	1925		53.8		in	1907
High Heat Index		77		78		72		+5		93		in	1933
Low Wind Chill															39		in	1980
Heating Degree Days		0		0		2		-2		11		in	2000		0		in	2024
Month Heating DD		4		54		35		-31		134		in	1907		2		in	1936
Season Heating DD		4951		4776		5494		-543		6600		in	1905		4403		in	1932
Cooling Degree Days		1		3		2		-1		10		in	2017		0		in	2021
Month Cooling DD		19		7		15		+4		67		in	2008		0		in	2003
Year Cooling DD		29		7		26		+3		76		in	1991		0		in	2003
Maximum Dew Point		64		68		62		+2		71		in	1973		44		in	1950
Minimum Dew Point		53		59		52		+1		63		in	1996		34		in	1972
Average  Dew Point		59		64		57		+2		67		in	1996		41		in	1950
Month Avg Max Dew Point		63.3		58.6		60.2		+3.1		65.7		in	2021		48.4		in	1988
Month Avg Min Dew Point		53.0		49.8		50.2		+2.8		55.6		in	2005		39.9		in	1988
Month Average Dew Point		58.1		54.2		55.1		+3.0		60.2		in	2008		44.2		in	1988
Precipitation		.00		.12		.12		-.12		2.18		in	1905
One Hour Rain		.00		.12						.63		in	2001
Half Hour Rain		.00		.11						.22		in	2011
Hourly Rain Rate		.00		1.35						2.32		in	2011
Month Precipitation		.70		.37		1.41		-.71		6.84		in	1982		T		in	1949
Year Precipitation		29.86		21.04		20.58		+9.28		36.73		in	1983		12.64		in	1957
Snow		0.0		0.0		######		######		0.0		in	1900
Snow Depth		0		0		38880		-38880		43994		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 12, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		99%		91%		+4%		100%		in	2003		60%		in	1951
Minimum Humidity		56%		77%		58%		-2%		93%		in	1986		28%		in	1989
Average Humidity		76%		88%		75%		+1%		97%		in	1986		46%		in	1989
Maximum Barometer		30.01		29.90		30.02		-00.01		30.37		in	1999		29.47		in	1963
Minimum Barometer		29.95		29.71		29.82		+00.13		30.26		in	1999		29.17		in	1985
Average Barometer		29.98		29.81		29.92		+00.06		30.32		in	1999		29.43		in	1963
Average Wind		5.0		7.4		6.2		-1.2		11.8		in	1979		2.3		in	1996
Direction		SSW		SSE		SSW				WNW					SSW
High Wind Gust		24		21		22		+2		50		in	1903		12		in	2003
Direction		SSW		SSE		SSW				SE					SSW
Maximum Water Temp		67.5		63.1		62.9		+4.6		68.0		in	2007		58.3		in	2003
Minimum Water Temp		64.8		61.2		59.6		+5.2		65.1		in	2007		53.6		in	2006
Average Water Temp		66.2		62.2		61.3		+4.9		66.6		in	2007		56.6		in	2020
Sunrise/ AM Twilight		5:10:32 AM						4:36:56 AM
Sunset / PM Twilight		8:19:29 PM						8:53:46 PM
Length Of Day		15:08:57
Special Conditions		None
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