Portsmouth Rhode Island Weather Almanac
Sunday, January 21, 2024
Clear, Dry, Continued Very Windy and Very Cold
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		January 21, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		26		35		37		-11		54		in	1979		12		in	2019
Minimum Temperature		13		31		23		-10		41		in	1923		2		in	2019
Average Temperature		20		33		30		-10		46		in	1923		7		in	2019
Month Avg Max Temperature		38.0		44.0		38.4		-0.5		45.9		in	1913		26.8		in	1981
Month Avg Min Temperature		25.5		33.2		24.7		+0.9		33.2		in	2023		9.7		in	1981
Month Average Temperature		31.9		38.9		31.7		+0.2		38.9		in	2023		18.5		in	1981
High Heat Index										#N/A		in	#N/A
Low Wind Chill		-5		25		8		-13							-19		in	1985
Heating Degree Days		45		32		35		+10		58		in	2019		19		in	1923
Month Heating DD		695		549		700		-5		976		in	1981		549		in	2023
Season Heating DD		2372		2242		2570		-198		3333		in	1918		1984		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		12		32		29		-17		53		in	1979		-3		in	1985
Minimum Dew Point		4		25		13		-9		36		in	2017		-18		in	1985
Average  Dew Point		8		29		21		-13		42		in	1959		-11		in	1985
Month Avg Max Dew Point		30.7		39.1		31.0		-0.3		39.9		in	2006		12.7		in	1981
Month Avg Min Dew Point		17.5		28.6		14.9		+2.6		28.6		in	2023		-5.7		in	1981
Month Average Dew Point		24.3		34.0		23.0		+1.3		34.0		in	2023		3.5		in	1981
Precipitation		.00		.01		.12		-.12		2.05		in	1979
One Hour Rain		.00		.00						.56		in	1979
Half Hour Rain		.00		.00						.00		in
Hourly Rain Rate		.00		.00						.00		in
Month Precipitation		4.95		3.72		2.54		+2.41		9.13		in	1979		.51		in	1984
Year Precipitation		4.95		3.72		2.54		+2.41		9.13		in	1979		.51		in	1984
Snow		0.0		0.1		0.4		-0.4		8.6		in	2012
Snow Depth		T		T		1		-1		14		in	1961
Month Snow		5.6		0.2		6.4		-0.8		25.8		in	1996		0.0		in	2007
Season Snow		5.7		1.7		13.5		-7.8		41.6		in	1996		0.4		in	2007
		January 21, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		73%		98%		80%		-7%		100%		in	2017		46%		in	1980
Minimum Humidity		47%		75%		51%		-4%		94%		in	1959		22%		in	1989
Average Humidity		60%		87%		66%		-6%		96%		in	1959		38%		in	1980
Maximum Barometer		30.40		30.22		30.15		+00.25		30.92		in	1949		29.53		in	1985
Minimum Barometer		29.97		29.86		29.82		+00.15		30.42		in	1996		28.70		in	1979
Average Barometer		30.19		30.04		29.98		+00.20		30.54		in	2008		29.15		in	1964
Average Wind		15.8		5.9		8.7		+7.1		22.5		in	2000		1.3		in	1981
Direction		NNW		NNW		WNW				NW					S
High Wind Gust		33		17		27		+6		45		in	1947		10		in	1981
Direction		NW		NNW		NW				W					S
Maximum Water Temp		38.1		43.0		39.5		-1.4		45.1		in	2007		35.7		in	2003
Minimum Water Temp		35.1		42.3		36.7		-1.6		42.3		in	2023		32.4		in	2004
Average Water Temp		36.6		42.7		38.1		-1.5		42.7		in	2023		34.2		in	2003
Sunrise/ AM Twilight		7:06:16 AM						6:35:45 AM
Sunset / PM Twilight		4:46:56 PM						5:17:26 PM
Length Of Day		16:46:38
Special Conditions		None
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