Portsmouth Rhode Island Weather Almanac
Thursday, February 22, 2024
Clear early, Partly Cloudy Day to Cloudy, Light Rain PM, Continued Cold
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		February 22, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		38		43		41		-3		58		in	1990		18		in	1963
Minimum Temperature		20		34		26		-6		41		in	1996		4		in	1918
Average Temperature		29		39		34		-5		49		in	1954		13		in	1963
Month Avg Max Temperature		39.8		46.1		38.9		+0.9		46.1		in	2023		25.0		in	1979
Month Avg Min Temperature		27.4		28.4		24.6		+2.7		30.1		in	1960		9.7		in	1979
Month Average Temperature		33.7		37.5		32.2		+1.5		37.5		in	2023		17.5		in	1979
High Heat Index										#N/A		in	#N/A
Low Wind Chill		20		27		16		+4							-13		in	1963
Heating Degree Days		36		26		31		+5		52		in	1963		16		in	1954
Month Heating DD		688		605		721		-33		1044		in	1979		605		in	2023
Season Heating DD		3355		3099		3640		-285		4636		in	1918		2994		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		35		37		31		+4		54		in	1989		-5		in	1963
Minimum Dew Point		18		26		15		+3		39		in	1996		-14		in	1999
Average  Dew Point		27		32		23		+4		46		in	1989		-9		in	1963
Month Avg Max Dew Point		30.9		37.0		29.7		+1.2		40.7		in	2018		7.7		in	1979
Month Avg Min Dew Point		19.4		18.1		13.3		+6.1		22.7		in	1984		-5.2		in	1979
Month Average Dew Point		25.4		27.8		23.0		+2.4		31.1		in	2018		1.3		in	1979
Precipitation		.01		.11		.13		-.12		1.89		in	1904
One Hour Rain		.01		.03						.46		in	2003
Half Hour Rain		.01		.02						.18		in	2021
Hourly Rain Rate		.00		.06						.99		in	2022
Month Precipitation		.83		.98		2.65		-1.82		6.50		in	1898		.56		in	2012
Year Precipitation		7.58		8.17		6.32		+1.26		12.91		in	1979		2.46		in	1901
Snow		0.0		0.0		0.4		-0.4		5.6		in	1893
Snow Depth		1		0		2		-1		20		in	2015
Month Snow		6.1		T		8.0		-1.9		26.4		in	2003		0.0		in	2020
Season Snow		12.7		2.3		25.1		-12.4		61.1		in	1996		2.3		in	2023
		February 22, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		96%		85%		+10%		100%		in	2003		46%		in	1956
Minimum Humidity		69%		54%		53%		+16%		94%		in	1996		23%		in	2001
Average Humidity		82%		75%		69%		+13%		97%		in	1996		39%		in	1968
Maximum Barometer		30.27		30.15		30.12		+00.15		30.69		in	2018		29.56		in	1965
Minimum Barometer		29.75		29.85		29.80		-00.05		30.48		in	2000		29.09		in	1976
Average Barometer		30.01		30.00		29.96		+00.05		30.54		in	2000		29.44		in	1965
Average Wind		5.5		6.0		7.9		-2.4		15.9		in	1988		2.0		in	1996
Direction		SSW		WNW		WNW				SW					N
High Wind Gust		17		19		27		-10		90		in	1912		13		in	1971
Direction		SSW		WNW		NW				SE					E
Maximum Water Temp		40.5		43.2		38.8		+1.7		43.9		in	2012		32.6		in	2015
Minimum Water Temp		38.5		42.4		37.1		+1.4		42.6		in	2012		32.0		in	2015
Average Water Temp		39.5		42.8		37.9		+1.6		43.3		in	2012		32.3		in	2015
Sunrise/ AM Twilight		6:31:00 AM						6:00:40 AM
Sunset / PM Twilight		5:26:42 PM						5:56:26 PM
Length Of Day		10:55:42
Special Conditions		None
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