Portsmouth Rhode Island Weather Almanac
Monday, October 28, 2024
Partly Cloudy, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		October 28, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		53		78		58		-5		78		in	2023		44		in	2005
Minimum Temperature		38		57		44		-6		59		in	1953		27		in	1914
Average Temperature		46		68		51		-5		68		in	2023		36		in	1976
Month Avg Max Temperature		65.9		66.6		62.4		+3.5		68.9		in	1947		55.2		in	1896
Month Avg Min Temperature		48.0		51.3		47.9		+0.1		53.6		in	2017		40.7		in	1974
Month Average Temperature		57.2		59.2		55.3		+1.9		61.4		in	2017		49.0		in	1896
High Heat Index				79						79		in	2023
Low Wind Chill		35													23		in	1976
Heating Degree Days		19		0		14		+5		29		in	1976		0		in	2023
Month Heating DD		221		180		271		-50		447		in	1896		122		in	1920
Season Heating DD		259		244		351		-92		558		in	1896		159		in	1920
Cooling Degree Days		0		3		0		+0		3		in	2023		0		in	2024
Month Cooling DD		3		18		6		-3		48		in	1954		0		in	2015
Year Cooling DD		695		726		609		+86		871		in	2020		290		in	1902
Maximum Dew Point		40		67		48		-8		67		in	2023		27		in	1976
Minimum Dew Point		30		47		36		-6		59		in	1953		10		in	1974
Average  Dew Point		35		57		42		-7		61		in	1971		22		in	1965
Month Avg Max Dew Point		53.0		57.8		53.6		-0.6		60.1		in	2007		42.4		in	1974
Month Avg Min Dew Point		41.7		48.1		41.7		+0.0		49.6		in	2021		29.3		in	1974
Month Average Dew Point		47.6		53.2		47.6		+0.0		54.5		in	2017		35.8		in	1974
Precipitation		.00		.00		.14		-.14		2.77		in	1987
One Hour Rain		.00		.00						.48		in	1987
Half Hour Rain		.00		.00						.18		in	2006
Hourly Rain Rate		.00		.00						.81		in	2009
Month Precipitation		.73		3.35		3.87		-3.14		9.91		in	2005		.05		in	1947
Year Precipitation		44.51		45.45		37.08		+7.43		51.92		in	1998		20.15		in	1957
Snow										T		in	1903
Snow Depth												in
Month Snow										0.7		in	1979
Season Snow										0.7		in	1979
		October 28, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		84%		97%		90%		-6%		100%		in	2018		60%		in	1965
Minimum Humidity		59%		56%		56%		+3%		91%		in	2009		31%		in	1985
Average Humidity		72%		77%		73%		-2%		94%		in	1953		46%		in	1965
Maximum Barometer		30.53		30.05		30.14		+00.39		30.56		in	1946		29.67		in	1968
Minimum Barometer		30.32		29.91		29.84		+00.48		30.34		in	2022		29.07		in	2006
Average Barometer		30.43		29.98		29.99		+00.44		30.43		in	2024		29.45		in	2008
Average Wind		5.7		4.3		7.6		-1.9		16.6		in	1962		2.5		in	1975
Direction		E		SW		SW				SW					SSE
High Wind Gust		17		17		25		-8		46		in	2006		11		in	1975
Direction		NNE		SW		SW				SE					S
Maximum Water Temp		58.8		62.6		58.7		+0.1		62.6		in	2023		53.8		in	2018
Minimum Water Temp		57.2		61.0		57.0		+0.2		61.0		in	2023		53.1		in	2018
Average Water Temp		58.0		61.8		57.8		+0.2		61.8		in	2023		53.5		in	2018
Sunrise/ AM Twilight		7:12:45 AM						6:44:15 AM
Sunset / PM Twilight		5:44:16 PM						6:13:45 PM
Length Of Day		10:31:31
Special Conditions		None
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