Portsmouth Rhode Island Weather Almanac
Friday, December 8, 2023
Mostly Cloudy early, Clear day to Partly Cloudy PM, Very Light Winds, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		December 8, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		44		56		45		-1		62		in	1951		16		in	1906
Minimum Temperature		26		36		32		-6		49		in	1974		4		in	1906
Average Temperature		35		46		38		-3		54		in	1951		10		in	1906
Month Avg Max Temperature		45.3		50.9		45.9		-0.6		57.9		in	1998		32.9		in	1954
Month Avg Min Temperature		34.9		37.3		32.9		+2.0		44.3		in	1998		15.0		in	1989
Month Average Temperature		40.3		44.3		39.3		+1.0		51.3		in	1998		25.6		in	1989
High Heat Index										#N/A		in	#N/A
Low Wind Chill		25		27		20		+5							-3		in	1906
Heating Degree Days		30		19		27		+3		55		in	1906		11		in	1951
Month Heating DD		198		166		206		-8		315		in	1989		110		in	1998
Season Heating DD		1139		987		1196		-57		1603		in	1904		924		in	2011
Cooling Degree Days		0		0		0		+0				in			0		in	Many
Month Cooling DD		0		0		0		+0		3		in	2022		0		in	Many
Year Cooling DD		726		784		609		+117		871		in	2020		290		in	1902
Maximum Dew Point		36		55		38		-2		59		in	1951		-2		in	1989
Minimum Dew Point		23		29		23		+0		46		in	1974		-6		in	1989
Average  Dew Point		30		42		30		+0		49		in	1974		-4		in	1989
Month Avg Max Dew Point		39.5		46.4		37.6		+1.9		49.1		in	1982		20.9		in	1989
Month Avg Min Dew Point		31.1		31.0		22.8		+8.3		36.3		in	2001		-3.3		in	1989
Month Average Dew Point		35.5		38.9		30.2		+5.3		42.4		in	2001		8.8		in	1989
Precipitation		.00		.00		.15		-.15		1.01		in	1950
One Hour Rain		.00		.00						.32		in	1996
Half Hour Rain		.00		.00						.10		in	2011
Hourly Rain Rate		.00		.00						2.33		in	2011
Month Precipitation		.94		1.83		1.20		-.26		4.37		in	1996		.00		in	1988
Year Precipitation		49.99		39.64		42.63		+7.36		61.79		in	1983		24.39		in	1957
Snow		0.0		0.0		0.2		-0.2		2.3		in	2000
Snow Depth		0		0		1		-1		14		in	1981
Month Snow		0.1		0.0		1.2		-1.1		17.0		in	1981		0.0		in	2022
Season Snow		0.1		0.0		1.8		+1.8		19.5		in	1898		0.0		in	2022
		December 8, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		99%		83%		+12%		100%		in	2012		43%		in	1989
Minimum Humidity		68%		61%		54%		+14%		93%		in	2012		24%		in	1979
Average Humidity		82%		80%		68%		+13%		97%		in	2012		37%		in	1989
Maximum Barometer		30.26		30.21		30.20		+00.06		30.69		in	2014		29.46		in	1981
Minimum Barometer		30.03		30.01		29.88		+00.15		30.42		in	2013		29.20		in	2011
Average Barometer		30.15		30.11		30.04		+00.11		30.55		in	2014		29.40		in	1981
Average Wind		1.8		11.5		7.7		-5.9		16.8		in	1961		1.3		in	1967
Direction		NNW		NW		NW				NW					SSE
High Wind Gust		8		27		25		-17		54		in	1979		8		in	2023
Direction		NE		NNW		NW				WNW					NE
Maximum Water Temp		47.1		52.0		47.6		-0.5		53.5		in	2011		43.0		in	2007
Minimum Water Temp		45.7		49.8		44.7		+1.0		51.1		in	2011		39.4		in	2000
Average Water Temp		46.4		50.9		46.2		+0.2		52.3		in	2011		41.7		in	2019
Sunrise/ AM Twilight		6:58:45 AM						6:29:40 AM
Sunset / PM Twilight		4:14:53 PM						4:44:24 PM
Length Of Day		9:16:08
Special Conditions		None
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