Portsmouth Rhode Island Weather Almanac
Friday, March 29, 2024
Cloudy, Rain and Fog early, Mostly Cloudy Day to Partly Cloudy PM, Continued Very Windy, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		March 29, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		52		50		50		+2		73		in	1946		28		in	1919
Minimum Temperature		37		33		34		+3		46		in	1998		5		in	1923
Average Temperature		45		42		42		+3		59		in	1910		18		in	1923
Month Avg Max Temperature		49.7		47.5		45.3		+4.4		52.2		in	1946		34.9		in	1916
Month Avg Min Temperature		35.2		33.8		30.4		+4.8		37.6		in	2012		22.6		in	1916
Month Average Temperature		42.7		40.8		38.1		+4.6		45.1		in	2012		29.0		in	1916
High Heat Index										#N/A		in	#N/A
Low Wind Chill		28		29		27		+1							-7		in	1923
Heating Degree Days		20		23		23		-3		47		in	1923		6		in	1910
Month Heating DD		648		701		780		-132		1043		in	1916		576		in	2012
Season Heating DD		4195		4011		4637		-442		5652		in	1918		3817		in	2012
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		45		37		37		+8		56		in	1989		13		in	1966
Minimum Dew Point		26		24		24		+2		44		in	1998		-4		in	1974
Average  Dew Point		36		31		31		+5		50		in	1998		7		in	1974
Month Avg Max Dew Point		41.0		37.4		34.4		+6.6		41.9		in	2012		24.3		in	1960
Month Avg Min Dew Point		28.0		25.2		19.9		+8.2		28.0		in	2024		11.2		in	1960
Month Average Dew Point		34.9		31.3		27.4		+7.4		34.9		in	2024		17.7		in	1960
Precipitation		.52		.00		.14		+.38		1.80		in	2010
One Hour Rain		.11		.00						.65		in	1997
Half Hour Rain		.06		.00						.25		in	2014
Hourly Rain Rate		.17		.00						1.55		in	2014
Month Precipitation		9.28		4.33		4.08		+5.20		9.61		in	2010		.22		in	1915
Year Precipitation		18.84		13.46		11.31		+7.53		19.47		in	1979		5.98		in	2012
Snow		0.0		0.0		0.1		-0.1		5.4		in	1970
Snow Depth		0		0		0		-0		2		in	2015
Month Snow		T		0.1		5.5		-5.5		31.6		in	1956		0.0		in	1903
Season Snow		12.7		9.1		33.1		-20.4		78.0		in	2005		5.0		in	1998
		March 29, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		96%		86%		+13%		100%		in	2018		36%		in	2007
Minimum Humidity		39%		42%		50%		-11%		92%		in	2009		14%		in	2007
Average Humidity		69%		69%		68%		+1%		96%		in	1993		25%		in	2007
Maximum Barometer		29.71		30.17		30.10		-00.39		30.74		in	1990		29.46		in	1984
Minimum Barometer		29.48		30.00		29.81		-00.33		30.43		in	2004		28.96		in	1984
Average Barometer		29.60		30.09		29.96		-00.36		30.53		in	1990		29.21		in	1984
Average Wind		15.5		6.4		8.3		+7.2		22.7		in	1984		3.9		in	2018
Direction		NNW		N		N				ENE					S
High Wind Gust		36		19		26		+10		52		in	1984		13		in	1973
Direction		NW		SSW		SSW				NE					SSE
Maximum Water Temp		43.2		46.2		42.5		+0.7		46.8		in	2012		38.7		in	2015
Minimum Water Temp		42.1		43.5		40.3		+1.8		45.7		in	2012		35.8		in	2015
Average Water Temp		42.7		44.9		41.4		+1.2		46.3		in	2012		37.3		in	2015
Sunrise/ AM Twilight		6:32:12 AM						6:03:27 AM
Sunset / PM Twilight		7:07:44 PM						7:35:54 PM
Length Of Day		12:35:32
Special Conditions		Fog
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