Portsmouth Rhode Island Weather Almanac
Saturday, October 14, 2023
Partly Cloudy to Cloudy, Light Rain PM, Light Winds and Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 14, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		60		70		62		-2		80		in	1920		50		in	1959
Minimum Temperature		47		55		48		-1		62		in	2014		29		in	1953
Average Temperature		54		63		55		-1		70		in	1990		45		in	2009
Month Avg Max Temperature		68.8		63.2		64.9		+3.9		72.5		in	1990		55.6		in	1896
Month Avg Min Temperature		51.8		50.9		50.2		+1.6		56.6		in	1961		40.1		in	1981
Month Average Temperature		60.6		57.3		57.8		+2.8		64.4		in	1990		49.6		in	1981
High Heat Index										81		in	1920
Low Wind Chill		45													29		in	1953
Heating Degree Days		11		2		10		+1		20		in	2009		0		in	Many
Month Heating DD		75		109		101		-26		215		in	1981		32		in	1961
Season Heating DD		136		109		101		+35		399		in	1956		62		in	1961
Cooling Degree Days		0		0		0		-0		5		in	1990		0		in	Many
Month Cooling DD		13		1		6		+7		45		in	1954		0		in	2016
Year Cooling DD		721		771		609		+112		868		in	2020		290		in	1902
Maximum Dew Point		50		65		54		-4		70		in	1990		26		in	1980
Minimum Dew Point		43		54		42		+1		61		in	1990		20		in	1980
Average  Dew Point		47		60		48		-1		66		in	1990		23		in	1980
Month Avg Max Dew Point		62.7		62.7		56.4		+6.3		62.9		in	2005		43.2		in	1981
Month Avg Min Dew Point		49.6		47.1		44.5		+5.1		54.7		in	2005		32.5		in	1981
Month Average Dew Point		54.8		51.7		50.4		+4.4		58.8		in	2005		37.9		in	1981
Precipitation		.12		.74		.14		-.02		2.92		in	1901
One Hour Rain		.09		.26						.69		in	1999
Half Hour Rain		.07		.18						.29		in	2005
Hourly Rain Rate		.17		3.69						5.43		in	2011
Month Precipitation		.41		3.64		1.96		-1.55		5.83		in	1962		.00		in	1930
Year Precipitation		42.51		33.45		35.04		+7.47		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 14, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		98%		99%		91%		+7%		100%		in	2017		55%		in	1950
Minimum Humidity		60%		80%		55%		+5%		94%		in	2005		22%		in	1989
Average Humidity		79%		90%		73%		+6%		97%		in	2005		47%		in	1950
Maximum Barometer		29.93		29.96		30.13		-00.20		30.69		in	1951		29.60		in	1976
Minimum Barometer		29.57		29.72		29.89		-00.32		30.40		in	1951		29.37		in	1976
Average Barometer		29.75		29.84		30.01		-00.26		30.55		in	1951		29.49		in	1976
Average Wind		4.5		7.3		6.8		-2.3		19.1		in	1955		1.3		in	1997
Direction		NW		NNW		WNW				ENE					SE
High Wind Gust		16		31		23		-7		54		in	1955		10		in	2017
Direction		W		S		S				ENE					ESE
Maximum Water Temp		63.0		63.5		62.5		+0.5		67.8		in	2021		59.0		in	2009
Minimum Water Temp		61.9		62.8		61.3		+0.6		66.6		in	2021		57.9		in	2009
Average Water Temp		62.5		63.2		61.9		+0.5		67.2		in	2021		58.5		in	2009
Sunrise/ AM Twilight		6:55:42 AM						6:28:46 AM
Sunset / PM Twilight		6:05:48 PM						6:33:31 PM
Length Of Day		11:09:26
Special Conditions		None
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