Portsmouth Rhode Island Weather Almanac
Sunday, February 25, 2024
Clear and Very Cold
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		February 25, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		34		22		41		-7		61		in	2017		19		in	1934
Minimum Temperature		16		16		26		-10		46		in	2017		4		in	1914
Average Temperature		25		19		34		-9		54		in	2017		13		in	1934
Month Avg Max Temperature		39.9		44.6		39.2		+0.8		44.9		in	1990		26.8		in	1979
Month Avg Min Temperature		27.1		27.8		24.8		+2.3		30.5		in	1925		10.6		in	1934
Month Average Temperature		33.7		36.5		32.4		+1.2		37.7		in	2018		19.6		in	1934
High Heat Index										#N/A		in	#N/A
Low Wind Chill		6		4		14		-8							-10		in	1993
Heating Degree Days		40		46		31		+9		52		in	1934		11		in	2017
Month Heating DD		783		713		814		-31		1136		in	1934		682		in	2018
Season Heating DD		3450		3207		3733		-283		4727		in	1918		3061		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		25		18		32		-7		56		in	2016		-1		in	1993
Minimum Dew Point		1		2		15		-14		45		in	2017		-12		in	1982
Average  Dew Point		13		10		24		-11		50		in	2017		-4		in	1993
Month Avg Max Dew Point		31.4		36.2		30.0		+1.5		40.8		in	2018		11.4		in	1979
Month Avg Min Dew Point		18.7		17.9		13.5		+5.2		23.7		in	1984		-1.0		in	1979
Month Average Dew Point		25.3		27.2		24.0		+1.3		31.8		in	2018		5.2		in	1979
Precipitation		.00		.05		.13		-.13		2.57		in	1916
One Hour Rain		.00		.00						.48		in	2011
Half Hour Rain		.00		.00						.28		in	2011
Hourly Rain Rate		.00		.00						8.60		in	2016
Month Precipitation		1.10		1.43		3.04		-1.94		6.78		in	1998		.66		in	1947
Year Precipitation		7.85		8.62		6.71		+1.14		14.83		in	1979		2.64		in	1980
Snow		0.0		0.4		0.4		-0.4		9.2		in	1999
Snow Depth		0		0		1		-1		17		in	2015
Month Snow		6.1		0.4		9.2		-3.1		28.2		in	2015		0.0		in	2020
Season Snow		12.7		2.7		26.3		-13.6		61.1		in	1996		2.7		in	2023
		February 25, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		79%		94%		85%		-6%		100%		in	2017		37%		in	1982
Minimum Humidity		28%		49%		52%		-24%		93%		in	2010		16%		in	1996
Average Humidity		54%		72%		68%		-15%		97%		in	2010		30%		in	1982
Maximum Barometer		30.15		30.53		30.08		+00.07		30.58		in	1962		29.49		in	1984
Minimum Barometer		29.97		30.15		29.68		+00.29		30.33		in	1962		28.74		in	2010
Average Barometer		30.06		30.34		29.88		+00.18		30.46		in	1962		29.22		in	2010
Average Wind		7.8		5.3		9.7		-1.9		22.4		in	1956		2.5		in	1980
Direction		N		N		WNW				W					NNW
High Wind Gust		23		22		30		-7		62		in	1909		10		in	1952
Direction		N		NNW		NW				NW					NW
Maximum Water Temp		39.6		41.2		38.9		+0.7		43.8		in	2012		32.5		in	2015
Minimum Water Temp		38.1		39.0		36.9		+1.2		42.0		in	2012		31.8		in	2015
Average Water Temp		38.9		40.1		37.9		+0.9		42.9		in	2012		32.2		in	2015
Sunrise/ AM Twilight		6:26:32 AM						5:56:15 AM
Sunset / PM Twilight		5:30:20 PM						5:59:55 PM
Length Of Day		11:03:48
Special Conditions		None
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