Portsmouth Rhode Island Weather Almanac
Wednesday, February 21, 2024
Clear early then Partly Cloudy, Light Winds, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		February 21, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		41		45		40		+1		60		in	1930		18		in	1918
Minimum Temperature		21		33		26		-5		45		in	2018		-2		in	1950
Average Temperature		31		39		34		-3		50		in	2018		9		in	1950
Month Avg Max Temperature		39.9		46.2		38.8		+1.0		46.2		in	2023		23.9		in	1979
Month Avg Min Temperature		27.7		28.1		24.6		+3.1		30.2		in	1960		8.6		in	1979
Month Average Temperature		34.0		37.4		32.1		+1.8		37.4		in	2023		16.4		in	1979
High Heat Index										#N/A		in	#N/A
Low Wind Chill		20		28		13		+7							-26		in	1950
Heating Degree Days		34		26		31		+3		56		in	1950		15		in	2018
Month Heating DD		652		579		690		-38		1020		in	1979		579		in	2023
Season Heating DD		3319		3073		3609		-290		4587		in	1918		2970		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		28		39		31		-3		54		in	1989		-7		in	1968
Minimum Dew Point		18		29		15		+3		44		in	2018		-22		in	1950
Average  Dew Point		23		34		23		+0		48		in	2018		-12		in	1968
Month Avg Max Dew Point		30.7		37.0		29.7		+1.0		40.2		in	2018		6.2		in	1979
Month Avg Min Dew Point		19.4		17.8		13.2		+6.2		23.0		in	1984		-6.6		in	1979
Month Average Dew Point		25.3		27.6		23.0		+2.3		30.7		in	2018		-0.2		in	1979
Precipitation		.00		.31		.13		-.13		3.20		in	1898
One Hour Rain		.00		.11						.39		in	1989
Half Hour Rain		.00		.06						.07		in	2015
Hourly Rain Rate		.00		.21						.45		in	2004
Month Precipitation		.82		.87		2.52		-1.70		6.48		in	1988		.31		in	1912
Year Precipitation		7.57		8.06		6.19		+1.38		12.74		in	1979		2.33		in	1980
Snow		0.0		T		0.4		-0.4		12.2		in	1902
Snow Depth		2		0		2		+0		23		in	2015
Month Snow		6.1		T		7.6		-1.5		26.4		in	2003		0.0		in	2020
Season Snow		12.7		2.3		24.7		-12.0		61.1		in	1996		2.3		in	2023
		February 21, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		91%		98%		84%		+7%		100%		in	2018		47%		in	1968
Minimum Humidity		55%		57%		51%		+4%		94%		in	1996		24%		in	1950
Average Humidity		73%		78%		68%		+5%		97%		in	1996		37%		in	1968
Maximum Barometer		30.55		29.85		30.16		+00.39		30.67		in	1985		29.66		in	1977
Minimum Barometer		30.27		29.58		29.82		+00.45		30.30		in	2022		29.18		in	1967
Average Barometer		30.41		29.72		29.99		+00.42		30.46		in	1990		29.46		in	1967
Average Wind		3.9		4.5		8.1		-4.2		21.9		in	1953		1.8		in	1994
Direction		E		ENE		WNW				SSW					SSW
High Wind Gust		16		17		28		-12		64		in	1953		12		in	1994
Direction		ESE		NNE		WNW				SSW					SSW
Maximum Water Temp		40.1		44.1		38.5		+1.6		44.1		in	2023		32.0		in	2015
Minimum Water Temp		38.1		43.2		37.0		+1.1		43.2		in	2023		31.6		in	2015
Average Water Temp		39.1		43.7		37.8		+1.3		43.7		in	2023		31.8		in	2015
Sunrise/ AM Twilight		6:32:27 AM						6:02:06 AM
Sunset / PM Twilight		5:25:29 PM						5:55:16 PM
Length Of Day		10:53:02
Special Conditions		None
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