Portsmouth Rhode Island Weather Almanac
Thursday, February 15, 2024
Clear to Mostly Cloudy, Light Snow & Fog Late, Windy, Continued Cold
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		February 15, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		37		54		39		-2		57		in	1984		12		in	1943
Minimum Temperature		22		34		25		-3		46		in	1984		-10		in	1943
Average Temperature		30		44		33		-3		52		in	1984		1		in	1943
Month Avg Max Temperature		41.3		44.1		38.3		+3.0		45.2		in	1991		23.1		in	1979
Month Avg Min Temperature		29.5		25.7		24.2		+5.3		30.7		in	2020		8.5		in	1934
Month Average Temperature		35.6		35.1		31.7		+3.9		37.3		in	2020		16.0		in	1979
High Heat Index										#N/A		in	#N/A
Low Wind Chill		12		33		11		+1							-31		in	1943
Heating Degree Days		35		21		32		+3		64		in	1943		13		in	1984
Month Heating DD		441		448		499		-58		735		in	1979		416		in	2020
Season Heating DD		3108		2942		3418		-310		4359		in	1918		2817		in	2016
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		33		48		30		+3		56		in	1984		-8		in	1979
Minimum Dew Point		11		24		14		-3		46		in	1984		-17		in	1987
Average  Dew Point		22		36		22		+0		51		in	1984		-13		in	1979
Month Avg Max Dew Point		32.9		34.6		29.2		+3.7		38.6		in	2018		3.9		in	1979
Month Avg Min Dew Point		22.6		14.1		12.7		+9.9		22.9		in	2020		-7.3		in	1979
Month Average Dew Point		28.0		24.5		22.0		+6.0		29.9		in	2020		-1.7		in	1979
Precipitation		.02		.00		.12		-.10		2.14		in	1953
One Hour Rain		.00		.00						.42		in	1973
Half Hour Rain		.00		.00						.08		in	2018
Hourly Rain Rate		.00		.00						.85		in	2019
Month Precipitation		.73		.20		1.76		-1.03		5.47		in	1970		T		in	1912
Year Precipitation		7.48		7.39		5.43		+2.05		12.38		in	1979		1.59		in	1980
Snow		0.1		0.0		0.4		-0.3		10.7		in	1962
Snow Depth		5		0		2		+3		23		in	1978
Month Snow		5.6		T		5.2		+0.4		26.3		in	1978		0.0		in	2020
Season Snow		12.2		2.3		22.3		-10.1		56.5		in	1894		2.3		in	2023
		February 15, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		94%		94%		84%		+10%		100%		in	2018		42%		in	1974
Minimum Humidity		35%		70%		52%		-17%		95%		in	1984		19%		in	2004
Average Humidity		65%		82%		68%		-3%		98%		in	1984		34%		in	1998
Maximum Barometer		30.10		30.21		30.16		-00.06		30.78		in	1981		29.48		in	1991
Minimum Barometer		29.71		29.89		29.78		-00.07		30.51		in	1981		28.78		in	1991
Average Barometer		29.91		30.05		29.97		-00.06		30.65		in	1981		29.13		in	1991
Average Wind		9.3		9.6		8.1		+1.2		17.8		in	1960		1.2		in	1996
Direction		NW		S		WNW				WNW					N
High Wind Gust		24		34		27		-3		51		in	1944		11		in	1996
Direction		NW		S		NW				S					N
Maximum Water Temp		40.3		42.8		38.3		+2.0		43.2		in	2012		32.5		in	2015
Minimum Water Temp		38.5		41.7		36.5		+2.0		41.7		in	2023		32.0		in	2015
Average Water Temp		39.4		42.3		37.4		+2.0		42.3		in	2023		32.3		in	2015
Sunrise/ AM Twilight		6:40:48 AM						6:10:20 AM
Sunset / PM Twilight		5:18:05 PM						5:48:13 PM
Length Of Day		10:37:17
Special Conditions		Fog
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