Portsmouth Rhode Island Weather Almanac
Sunday, March 17, 2024
Cloudy & Light Rain early then Partly Cloudy, Windy and Very Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		March 17, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		59		50		46		+13		66		in	2003		25		in	1967
Minimum Temperature		41		36		31		+10		50		in	1990		10		in	1916
Average Temperature		50		43		39		+11		55		in	1990		18		in	1916
Month Avg Max Temperature		51.4		45.5		43.5		+7.9		52.1		in	1973		32.2		in	1916
Month Avg Min Temperature		36.2		32.5		28.8		+7.4		37.8		in	1973		19.7		in	1950
Month Average Temperature		43.9		39.2		36.4		+7.5		45.2		in	1973		26.5		in	1916
High Heat Index										#N/A		in	#N/A
Low Wind Chill		36		36		21		+15							-3		in	1916
Heating Degree Days		15		22		26		-11		47		in	1916		10		in	1990
Month Heating DD		358		439		486		-128		654		in	1916		336		in	1973
Season Heating DD		3905		3749		4343		-438		5366		in	1905		3546		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		48		45		35		+13		59		in	1990		9		in	1967
Minimum Dew Point		31		27		20		+11		50		in	1990		-7		in	1961
Average  Dew Point		40		36		28		+12		55		in	1990		2		in	1967
Month Avg Max Dew Point		43.2		35.5		33.2		+10.0		43.2		in	2024		20.1		in	1960
Month Avg Min Dew Point		31.1		24.5		18.2		+12.9		31.1		in	2024		3.6		in	1980
Month Average Dew Point		37.5		30.0		26.1		+11.4		37.5		in	2024		14.6		in	1950
Precipitation		.02		T		.15		-.13		1.60		in	2007
One Hour Rain		.01		T						.35		in	2007
Half Hour Rain		.01		.00						.18		in	2007
Hourly Rain Rate		.00		.00						3.74		in	2007
Month Precipitation		5.05		3.46		2.30		+2.75		5.80		in	2000		.08		in	1915
Year Precipitation		14.61		12.59		9.53		+5.08		19.20		in	1979		4.55		in	1980
Snow		0.0		0.0		0.2		-0.2		2.0		in	1932
Snow Depth		0		0		0		-0		11		in	1896
Month Snow		T		0.1		3.6		-3.6		20.3		in	1916		0.0		in	2011
Season Snow		12.7		9.1		31.2		-18.5		75.0		in	2005		4.7		in	1998
		March 17, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		98%		93%		84%		+14%		100%		in	2007		54%		in	1981
Minimum Humidity		42%		56%		48%		-6%		91%		in	1968		23%		in	1959
Average Humidity		70%		75%		66%		+4%		96%		in	1968		41%		in	1961															31
Maximum Barometer		29.75		29.92		30.06		-00.31		30.61		in	1998		29.22		in	1981
Minimum Barometer		29.50		29.59		29.77		-00.27		30.48		in	1998		28.88		in	1974
Average Barometer		29.63		29.76		29.91		-00.29		30.55		in	1998		29.12		in	1981
Average Wind		9.7		7.1		9.0		+0.7		20.1		in	2000		2.5		in	2012
Direction		S		SSE		WNW				N					S
High Wind Gust		29		25		28		+1		61		in	1956		9		in	2003
Direction		NW		S		NW				NNW					S
Maximum Water Temp		45.9		43.2		40.7		+5.2		46.4		in	2012		36.2		in	2015
Minimum Water Temp		44.2		41.5		38.6		+5.6		44.7		in	2012		34.9		in	2015
Average Water Temp		45.1		42.4		39.7		+5.3		45.6		in	2012		35.6		in	2015
Sunrise/ AM Twilight		6:52:32 AM						6:24:03 AM
Sunset / PM Twilight		6:54:32 PM						7:22:29 PM
Length Of Day		12:02:00
Special Conditions		None
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