Portsmouth Rhode Island Weather Almanac
Sunday, October 13, 2024
Partly Cloudy early then Cloudy, Very Light Rain & Thunderstorm Late, Much Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		October 13, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		63		62		63		+0		79		in	1954		45		in	1934
Minimum Temperature		42		48		48		-6		66		in	1990		30		in	1956
Average Temperature		53		55		56		-3		71		in	1954		41		in	1934
Month Avg Max Temperature		68.2		69.5		65.2		+3.0		72.2		in	1990		55.8		in	1896
Month Avg Min Temperature		49.8		52.2		50.4		-0.5		56.6		in	1961		40.3		in	1956
Month Average Temperature		59.3		61.1		58.0		+1.3		63.9		in	1990		49.8		in	1981
High Heat Index										81		in	1954
Low Wind Chill		39		43											29		in	1956
Heating Degree Days		12		10		9		+3		24		in	1934		0		in	1990
Month Heating DD		74		64		91		-17		198		in	1981		31		in	1961
Season Heating DD		112		128		171		-59		389		in	1956		61		in	1961
Cooling Degree Days		0		0		0		+0		6		in	1954		0		in	2024
Month Cooling DD		0		13		6		-6		42		in	1954		0		in	2024
Year Cooling DD		692		721		609		+83		868		in	2020		290		in	1902
Maximum Dew Point		52		51		54		-2		70		in	1983		33		in	1958
Minimum Dew Point		34		42		42		-8		65		in	1990		20		in	1980
Average  Dew Point		43		47		48		-5		67		in	1990		29		in	1980
Month Avg Max Dew Point		56.7		60.1		56.6		+0.1		64.2		in	2018		43.5		in	1981
Month Avg Min Dew Point		44.8		50.2		44.7		+0.2		54.6		in	2005		32.5		in	1956
Month Average Dew Point		51.1		55.4		50.6		+0.5		59.1		in	2018		38.2		in	1981
Precipitation		.02		.00		.14		-.12		3.12		in	1895
One Hour Rain		.01		.00						.54		in	1990
Half Hour Rain		.01		.00						.33		in	2011
Hourly Rain Rate		.00		.00						3.16		in	2011
Month Precipitation		.67		.29		1.82		-1.15		5.83		in	1962		.00		in	1930
Year Precipitation		44.45		42.39		35.03		+9.42		50.80		in	1998		18.73		in	1957
Snow												in
Snow Depth												in
Month Snow										0.7		in	1979
Season Snow										0.7		in	1979
		October 13, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		96%		90%		90%		+6%		100%		in	2002		70%		in	2012
Minimum Humidity		52%		53%		55%		-3%		94%		in	1990		27%		in	1963
Average Humidity		74%		72%		73%		+1%		97%		in	1990		51%		in	1963
Maximum Barometer		30.03		29.93		30.15		-00.12		30.64		in	1942		29.70		in	2004
Minimum Barometer		29.70		29.85		29.91		-00.21		30.35		in	2017		29.40		in	1950
Average Barometer		29.87		29.89		30.03		-00.17		30.43		in	2012		29.56		in	1950
Average Wind		6.3		9.3		6.3		+0.0		13.6		in	1984		2.1		in	1997
Direction		E		NNW		SW				NNE					SSE
High Wind Gust		20		26		21		-1		35		in	1984		12		in	2004
Direction		ESE		NW		NW				NE					S
Maximum Water Temp		63.1		64.9		62.7		+0.4		67.8		in	2021		59.2		in	1996
Minimum Water Temp		61.7		62.0		61.1		+0.6		66.2		in	2021		56.5		in	2012
Average Water Temp		62.4		63.5		61.9		+0.5		67.0		in	2021		58.6		in	2012
Sunrise/ AM Twilight		6:55:26 AM						6:27:42 AM
Sunset / PM Twilight		6:06:11 PM						6:35:04 PM
Length Of Day		11:10:45
Special Conditions		Thunderstorm
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