Portsmouth Rhode Island Weather Almanac
Wednesday, October 11, 2023
Cloudy early, Partly Cloudy Day to Clear PM, Light Fog, Very Light Winds, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 11, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		68		66		64		+4		82		in	1955		49		in	1979
Minimum Temperature		51		46		49		+2		67		in	2018		27		in	1956
Average Temperature		60		56		57		+3		71		in	1949		41		in	1979
Month Avg Max Temperature		70.3		61.6		65.5		+4.7		72.0		in	1990		56.4		in	1896
Month Avg Min Temperature		52.8		49.7		50.7		+2.1		58.0		in	2018		41.7		in	1895
Month Average Temperature		61.8		55.9		58.4		+3.5		64.8		in	1922		50.6		in	1981
High Heat Index										82		in	1955
Low Wind Chill				46											25		in	1956
Heating Degree Days		5		9		8		-3		24		in	1979		0		in	Many
Month Heating DD		48		101		73		-25		158		in	1981		20		in	1959
Season Heating DD		109		101		73		+36		345		in	1956		61		in	1961
Cooling Degree Days		0		0		0		-0		6		in	1949		0		in	Many
Month Cooling DD		13		1		6		+7		30		in	1954		0		in	2016
Year Cooling DD		721		771		609		+112		868		in	2020		290		in	1902
Maximum Dew Point		57		52		55		+2		70		in	2018		27		in	1964
Minimum Dew Point		50		46		43		+7		66		in	2018		17		in	1956
Average  Dew Point		54		49		49		+5		68		in	2018		23		in	1956
Month Avg Max Dew Point		61.1		54.1		57.0		+4.1		65.5		in	2018		42.2		in	1974
Month Avg Min Dew Point		51.0		45.5		45.1		+5.9		55.5		in	2018		32.5		in	1984
Month Average Dew Point		56.3		50.0		51.0		+5.3		60.7		in	2018		37.7		in	1974
Precipitation		.00		.00		.14		-.14		.81		in	1980
One Hour Rain		.00		.00						.36		in	2006
Half Hour Rain		.00		.00						.29		in	2006
Hourly Rain Rate		.00		.00						5.76		in	2007
Month Precipitation		.29		1.73		1.54		-1.25		5.83		in	1962		.00		in	1930
Year Precipitation		42.39		31.54		34.62		+7.77		50.80		in	1998		18.73		in	1957
Snow
Snow Depth										T		in	1979
Month Snow						0.0				0.7		in	1979
Season Snow						0.0				0.7		in	1979		0.0		in
		October 11, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		98%		91%		+8%		100%		in	2018		63%		in	1964
Minimum Humidity		56%		53%		57%		-1%		93%		in	2018		26%		in	1956
Average Humidity		78%		76%		74%		+4%		97%		in	2018		46%		in	1964
Maximum Barometer		29.90		30.32		30.15		-00.25		30.79		in	1972		29.66		in	1971
Minimum Barometer		29.84		30.23		29.92		-00.08		30.43		in	1972		29.38		in	1988
Average Barometer		29.87		30.28		30.04		-00.17		30.61		in	1972		29.53		in	1971
Average Wind		2.6		3.5		6.5		-3.9		22.4		in	2019		1.8		in	1992
Direction		SSW		NW		N				NNE					NW
High Wind Gust		16		16		21		-5		42		in	2019		7		in	1992
Direction		SSW		SSW		N				NNE					NW
Maximum Water Temp		64.9		62.6		63.3		+1.6		66.6		in	2021		59.4		in	2000
Minimum Water Temp		63.3		61.7		61.8		+1.5		65.5		in	2021		55.4		in	2000
Average Water Temp		64.1		62.2		62.5		+1.6		66.1		in	2021		57.4		in	2000
Sunrise/ AM Twilight		6:52:23 AM						6:25:33 AM
Sunset / PM Twilight		6:10:35 PM						6:38:11 PM
Length Of Day		11:17:33
Special Conditions		Fog
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