Portsmouth Rhode Island Weather Almanac
Tuesday, October 15, 2024
Clear early then Partly Cloudy, Windy and Colder
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		October 15, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		56		59		62		-6		78		in	1956		44		in	2009
Minimum Temperature		42		49		48		-6		64		in	2014		32		in	1979
Average Temperature		49		54		55		-6		69		in	2014		41		in	2009
Month Avg Max Temperature		66.8		68.1		64.7		+2.1		72.5		in	1990		55.4		in	1896
Month Avg Min Temperature		49.0		51.6		50.1		-1.1		56.1		in	2017		39.7		in	1981
Month Average Temperature		58.2		60.1		57.6		+0.6		64.3		in	1990		49.6		in	1981
High Heat Index										78		in	1956
Low Wind Chill		36		44											31		in	1979
Heating Degree Days		16		11		10		+6		24		in	2009		0		in	2021
Month Heating DD		102		86		111		-9		231		in	1981		35		in	1990
Season Heating DD		140		150		191		-51		402		in	1956		65		in	2021
Cooling Degree Days		0		0		0		+0		4		in	2014		0		in	2024
Month Cooling DD		0		13		6		-6		48		in	1954		0		in	2024
Year Cooling DD		692		721		609		+83		868		in	2020		290		in	1902
Maximum Dew Point		43		49		53		-10		69		in	2014		37		in	1983
Minimum Dew Point		37		42		41		-4		63		in	2014		23		in	1996
Average  Dew Point		40		46		47		-7		66		in	2014		31		in	1996
Month Avg Max Dew Point		55.8		58.7		56.2		-0.4		62.9		in	2018		43.3		in	1981
Month Avg Min Dew Point		43.9		49.1		44.3		-0.4		54.0		in	2005		32.3		in	1981
Month Average Dew Point		50.1		54.2		50.2		-0.1		58.4		in	2005		37.8		in	1981
Precipitation		.00		.01		.14		-.14		3.15		in	2005
One Hour Rain		.00		.01						.92		in	2005
Half Hour Rain		.00		.01						.52		in	2005
Hourly Rain Rate		.00		.00						4.88		in	2004
Month Precipitation		.73		.42		2.10		-1.37		8.11		in	2005		.00		in	1914
Year Precipitation		44.51		42.52		35.31		+9.20		51.27		in	1998		18.73		in	1957
Snow												in
Snow Depth												in
Month Snow										0.7		in	1979
Season Snow										0.7		in	1979
		October 15, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		88%		99%		91%		-3%		100%		in	2018		56%		in	1973
Minimum Humidity		54%		60%		56%		-2%		92%		in	1955		27%		in	1996
Average Humidity		71%		80%		73%		-2%		96%		in	2017		46%		in	1996
Maximum Barometer		29.83		29.57		30.09		-00.26		30.46		in	2016		29.57		in	2023
Minimum Barometer		29.74		29.40		29.86		-00.12		30.41		in	2016		29.09		in	2003
Average Barometer		29.79		29.49		29.97		-00.19		30.44		in	2016		29.40		in	2003
Average Wind		8.8		9.5		7.1		+1.7		20.5		in	1955		1.6		in	1959
Direction		WNW		N		SW				ENE					N
High Wind Gust		30		24		24		+6		55		in	1954		9		in	1997
Direction		NNW		N		WSW				ESE					N
Maximum Water Temp		61.3		62.6		62.4		-1.1		67.5		in	2021		58.7		in	2009
Minimum Water Temp		59.0		61.2		60.7		-1.7		66.4		in	2021		54.9		in	2009
Average Water Temp		60.2		61.9		61.6		-1.4		67.0		in	2021		56.8		in	2009
Sunrise/ AM Twilight		6:57:41 AM						6:29:51 AM
Sunset / PM Twilight		6:03:03 PM						6:32:00 PM
Length Of Day		11:05:22
Special Conditions		None
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