Portsmouth Rhode Island Weather Almanac
Saturday, November 18, 2023
Mostly Cloudy/Dense Fog early, Cloudy Day with Light Rain, Clear PM, Breezy and Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		November 18, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		58		44		51		+7		69		in	1953		31		in	1924
Minimum Temperature		36		33		37		-1		54		in	2021		18		in	1924
Average Temperature		47		39		44		+3		59		in	2021		25		in	1924
Month Avg Max Temperature		53.2		60.4		53.6		-0.4		61.6		in	1975		45.8		in	1904
Month Avg Min Temperature		37.6		45.1		39.9		-2.4		45.5		in	2006		31.6		in	1933
Month Average Temperature		45.6		53.0		46.8		-1.3		53.0		in	2022		39.1		in	1933
High Heat Index												in
Low Wind Chill		29		27		31		-2							12		in	1959
Heating Degree Days		18		26		20		-2		40		in	1924		6		in	2021
Month Heating DD		350		219		325		+25		467		in	1933		219		in	2022
Season Heating DD		633		551		721		-88		1001		in	1992		491		in	2021
Cooling Degree Days		0		0		0		+0				in			0		in	Many
Month Cooling DD		0		0		0		+0		3		in	2022		0		in	Many
Year Cooling DD		726		784		609		+117		871		in	2020		290		in	1902
Maximum Dew Point		58		28		43		+15		62		in	1978		20		in	1965
Minimum Dew Point		29		22		29		+0		49		in	2021		3		in	1959
Average  Dew Point		44		25		36		+8		54		in	2021		13		in	1959
Month Avg Max Dew Point		51.8		45.1		45.1		+6.8		51.8		in	2022		31.6		in	1976
Month Avg Min Dew Point		38.0		32.3		31.8		+6.2		41.1		in	2006		19.6		in	1980
Month Average Dew Point		45.1		39.0		38.5		+6.6		46.2		in	2006		26.7		in	1976
Precipitation		.08		.00		.14		-.06		1.76		in	1927
One Hour Rain		.06		.00						.84		in	1994
Half Hour Rain		.03		.00						.11		in	2013
Hourly Rain Rate		.17		.00						1.13		in	2013
Month Precipitation		.43		1.60		2.35		-1.92		7.28		in	1969		.00		in	1917
Year Precipitation		47.35		36.68		39.71		+7.64		55.21		in	1983		22.69		in	1957
Snow		0.1		0.0		0.0		+0.1		1.5		in	1980
Snow Depth		0		0		T		+0		3		in	1980
Month Snow		0.0		0.0		0.0		+0.0		8.3		in	1987		0.0		in	2023
Season Snow		0.0		0.0		0.0		+0.0		8.3		in	1987		0.0		in	2023
		November 18, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		74%		85%		+14%		100%		in	2013		57%		in	1965
Minimum Humidity		68%		45%		52%		+16%		90%		in	1968		17%		in	1991
Average Humidity		84%		60%		68%		+15%		95%		in	1968		40%		in	1991
Maximum Barometer		29.82		30.13		30.17		-00.35		30.68		in	2012		29.54		in	1981
Minimum Barometer		29.59		30.00		29.87		-00.28		30.59		in	2012		29.07		in	1980
Average Barometer		29.71		30.07		30.02		-00.32		30.64		in	2012		29.35		in	1981
Average Wind		9.8		7.9		7.7		+2.1		16.1		in	1965		1.7		in	1971
Direction		NNW		W		W				WNW					W
High Wind Gust		28		25		25		+3		46		in	1987		9		in	1971
Direction		NW		W		W				SW					ESE
Maximum Water Temp		55.6		54.1		52.3		+3.3		56.1		in	2021		48.0		in	2018
Minimum Water Temp		54.5		51.4		50.2		+4.3		55.2		in	2006		44.6		in	2018
Average Water Temp		55.1		52.8		51.2		+3.8		55.6		in	2006		46.3		in	2018
Sunrise/ AM Twilight		6:37:13 AM						6:08:05 AM
Sunset / PM Twilight		4:22:47 PM						4:52:54 PM
Length Of Day		9:45:34
Special Conditions		Dense Fog
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