Portsmouth Rhode Island Weather Almanac
Monday, October 16, 2023
Cloudy early then Mostly Cloudy, Light Rain, Continued Cool
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 16, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		59		70		62		-3		82		in	1897		43		in	2009
Minimum Temperature		48		49		47		+1		65		in	2021		32		in	1978
Average Temperature		54		60		55		-1		72		in	1897		41		in	2009
Month Avg Max Temperature		67.6		64.1		64.6		+3.0		72.1		in	1990		55.8		in	1896
Month Avg Min Temperature		51.4		50.7		49.9		+1.5		55.8		in	2021		39.6		in	1981
Month Average Temperature		59.8		57.6		57.4		+2.3		63.8		in	1990		49.8		in	1981
High Heat Index										79		in	1956
Low Wind Chill		45													32		in	2009
Heating Degree Days		11		5		10		+1		24		in	2009		0		in	Many
Month Heating DD		97		119		121		-24		244		in	1981		40		in	2021
Season Heating DD		158		119		121		+37		404		in	1956		65		in	2021
Cooling Degree Days		0		0		0		-0		7		in	1897		0		in	Many
Month Cooling DD		13		1		6		+7		48		in	1954		0		in	2016
Year Cooling DD		721		771		609		+112		868		in	2020		290		in	1902
Maximum Dew Point		52		62		53		-1		68		in	2021		30		in	1961
Minimum Dew Point		44		47		41		+3		64		in	2021		25		in	1994
Average  Dew Point		48		55		47		+1		66		in	2021		28		in	1961
Month Avg Max Dew Point		58.3		56.1		56.0		+2.3		63.1		in	2018		43.6		in	1981
Month Avg Min Dew Point		48.8		47.2		44.1		+4.8		53.9		in	2021		32.5		in	1981
Month Average Dew Point		53.8		51.9		50.0		+3.8		57.9		in	2021		38.0		in	1981
Precipitation		.04		.00		.14		-.10		1.79		in	1955
One Hour Rain		.02		.00						.44		in	2019
Half Hour Rain		.02		.00						.27		in	2019
Hourly Rain Rate		.04		.00						4.54		in	2015
Month Precipitation		.46		3.64		2.24		-1.78		8.11		in	2005		.01		in	1963
Year Precipitation		42.56		33.45		35.32		+7.24		51.27		in	1998		18.73		in	1957
Snow
Snow Depth
Month Snow						0.0				0.7		in	1979		0.0		in
Season Snow						0.0				0.7		in	1979		0.0		in
		October 16, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		96%		99%		91%		+5%		100%		in	2014		61%		in	1963
Minimum Humidity		70%		68%		55%		+15%		94%		in	2014		18%		in	1963
Average Humidity		83%		84%		73%		+10%		97%		in	2014		40%		in	1963
Maximum Barometer		29.71		30.00		30.10		-00.39		30.58		in	1950		29.46		in	2005
Minimum Barometer		29.48		29.84		29.83		-00.35		30.28		in	1950		29.15		in	2019
Average Barometer		29.60		29.92		29.97		-00.37		30.43		in	1950		29.41		in	2005
Average Wind		6.7		2.5		7.4		-0.7		15.5		in	2002		1.9		in	2006
Direction		NW		SW		S				ENE					WNW
High Wind Gust		16		13		25		-9		59		in	1954		12		in	2006
Direction		NNW		S		NW				SE					SSW
Maximum Water Temp		61.7		64.0		62.1		-0.4		67.8		in	2021		57.8		in	2009
Minimum Water Temp		60.4		62.8		60.4		-0.0		66.9		in	2021		54.6		in	2009
Average Water Temp		61.1		63.4		61.2		-0.2		67.4		in	2021		56.2		in	2009
Sunrise/ AM Twilight		6:57:57 AM						6:30:57 AM
Sunset / PM Twilight		6:02:41 PM						6:30:29 PM
Length Of Day		11:04:05
Special Conditions		None
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