Portsmouth Rhode Island Weather Almanac
Saturday, October 19, 2024
Clear, Light Winds, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		October 19, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		66		63		61		+5		77		in	2016		42		in	1972
Minimum Temperature		41		49		46		-5		63		in	2007		29		in	1922
Average Temperature		54		56		54		+0		68		in	2016		38		in	1974
Month Avg Max Temperature		65.4		66.7		64.0		+1.4		71.4		in	1990		55.2		in	1896
Month Avg Min Temperature		47.2		50.9		49.4		-2.2		54.6		in	2011		39.8		in	1981
Month Average Temperature		56.6		59.1		56.9		-0.3		63.0		in	1990		49.9		in	1981
High Heat Index										79		in	2016
Low Wind Chill		41													27		in	2015
Heating Degree Days		11		9		11		+0		27		in	1974		0		in	2016
Month Heating DD		160		126		154		+6		287		in	1981		66		in	1990
Season Heating DD		198		190		234		-36		435		in	1956		92		in	2021
Cooling Degree Days		0		0		0		+0		3		in	2016		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		52		56		52		+0		68		in	2016		20		in	1974
Minimum Dew Point		37		48		40		-3		62		in	2007		10		in	1959
Average  Dew Point		45		52		46		-1		64		in	2007		17		in	1959
Month Avg Max Dew Point		53.7		57.6		55.4		-1.7		60.7		in	1990		44.6		in	1981
Month Avg Min Dew Point		42.3		48.6		43.5		-1.2		51.9		in	2021		31.8		in	1981
Month Average Dew Point		48.3		53.4		49.4		-1.1		56.1		in	2021		38.2		in	1981
Precipitation		.00		.00		.14		-.14		2.00		in	1928
One Hour Rain		.00		.00						.36		in	2011
Half Hour Rain		.00		.00						.18		in	2011
Hourly Rain Rate		.00		.00						4.09		in	2007
Month Precipitation		.73		.48		2.66		-1.93		8.13		in	2005		.01		in	1963
Year Precipitation		44.51		42.58		35.87		+8.64		51.27		in	1998		19.78		in	1957
Snow										T		in	1972
Snow Depth												in
Month Snow										0.7		in	1979
Season Snow										0.7		in	1979
		October 19, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		99%		91%		+4%		100%		in	2004		62%		in	1959
Minimum Humidity		40%		70%		56%		-16%		93%		in	2007		24%		in	1959
Average Humidity		68%		85%		73%		-6%		97%		in	1968		43%		in	1959
Maximum Barometer		30.52		30.20		30.14		+00.38		30.63		in	1985		29.73		in	1952
Minimum Barometer		30.38		30.05		29.89		+00.49		30.38		in	2024		29.33		in	1967
Average Barometer		30.45		30.13		30.01		+00.44		30.45		in	2024		29.57		in	1967
Average Wind		3.4		5.4		6.6		-3.2		14.6		in	1975		1.7		in	1955
Direction		S		S		SW				NE					NW
High Wind Gust		11		18		23		-12		41		in	1967		10		in	1955
Direction		S		S		SW				S					NW
Maximum Water Temp		60.6		62.1		60.9		-0.3		64.4		in	2014		56.3		in	2009
Minimum Water Temp		58.8		61.2		59.2		-0.4		63.2		in	2007		53.6		in	2009
Average Water Temp		59.7		61.7		60.0		-0.3		63.4		in	2016		55.0		in	2009
Sunrise/ AM Twilight		7:02:13 AM						6:34:13 AM
Sunset / PM Twilight		5:56:58 PM						6:26:03 PM
Length Of Day		10:54:45
Special Conditions		None
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