Portsmouth Rhode Island Weather Almanac
Tuesday, November 21, 2023
Clear early, Mostly Cloudy Day to Cloudy and Light Rain PM, Continued Cold
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		November 21, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		43		44		50		-7		67		in	1931		34		in	1987
Minimum Temperature		25		25		37		-12		54		in	1991		16		in	1987
Average Temperature		34		35		43		-9		59		in	1931		25		in	1987
Month Avg Max Temperature		52.0		57.7		53.2		-1.1		61.6		in	1975		46.0		in	1933
Month Avg Min Temperature		36.4		42.6		39.5		-3.1		44.6		in	2015		31.2		in	1933
Month Average Temperature		44.4		50.4		46.4		-2.0		52.6		in	1975		38.9		in	1933
High Heat Index												in
Low Wind Chill		17		16		28		-11							-1		in	1987
Heating Degree Days		31		30		21		+10		40		in	1987		6		in	1931
Month Heating DD		433		310		388		+45		549		in	1933		261		in	1975
Season Heating DD		716		642		784		-68		1086		in	1992		550		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		39		35		42		-3		60		in	1954		19		in	2008
Minimum Dew Point		18		10		28		-10		50		in	1991		-3		in	1987
Average  Dew Point		29		23		35		-6		52		in	1991		11		in	1987
Month Avg Max Dew Point		48.9		45.3		44.7		+4.1		50.4		in	2015		30.7		in	1976
Month Avg Min Dew Point		34.3		31.7		31.4		+3.0		39.3		in	2006		19.3		in	1980
Month Average Dew Point		41.8		38.7		38.1		+3.7		44.4		in	2015		26.2		in	1976
Precipitation		.09		.00		.14		-.05		1.42		in	1986
One Hour Rain		.06		.00						.62		in	1950
Half Hour Rain		.04		.00						.06		in	2005
Hourly Rain Rate		.09		.00						.16		in	2005
Month Precipitation		.52		1.60		2.77		-2.25		7.97		in	1969		.04		in	1917
Year Precipitation		47.44		36.68		40.13		+7.31		56.08		in	1983		23.20		in	1957
Snow		0.1		0.0		0.0		+0.1		T		in	2018
Snow Depth		0		0		T		+0		3		in	1955
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 21, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		93%		75%		87%		+6%		100%		in	2007		63%		in	1951
Minimum Humidity		52%		46%		56%		-4%		93%		in	2002		29%		in	1960
Average Humidity		73%		61%		72%		+1%		97%		in	2002		50%		in	1957
Maximum Barometer		30.57		30.48		30.13		+00.44		30.70		in	1903		29.14		in	1974
Minimum Barometer		30.25		30.19		29.82		+00.43		30.43		in	1966		28.83		in	1989
Average Barometer		30.41		30.34		29.98		+00.43		30.50		in	1966		28.99		in	1974
Average Wind		8.1		10.4		8.6		-0.5		21.1		in	1956		1.6		in	1995
Direction		SE		W		WNW				S					SE
High Wind Gust		21		32		27		-6		63		in	1956		12		in	2004
Direction		SE		WSW		WNW				S					ENE
Maximum Water Temp		52.3		52.0		51.5		+0.8		56.0		in	2011		47.3		in	2019
Minimum Water Temp		48.9		47.8		49.2		-0.3		54.0		in	1999		43.3		in	2018
Average Water Temp		50.6		49.9		50.4		+0.2		54.8		in	2011		45.7		in	2018
Sunrise/ AM Twilight		6:40:45 AM						6:11:24 AM
Sunset / PM Twilight		4:20:40 PM						4:51:02 PM
Length Of Day		9:39:55
Special Conditions		None
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