Portsmouth Rhode Island Weather Almanac
Friday, October 27, 2023
Partly Cloudy to Clear PM, Light Winds and Continued Very Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 27, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		70		68		58		+12		75		in	1947		40		in	1936
Minimum Temperature		59		48		44		+15		62		in	2010		26		in	1936
Average Temperature		65		58		51		+14		66		in	1977		33		in	1936
Month Avg Max Temperature		66.1		63.9		62.6		+3.6		68.9		in	1947		55.3		in	1896
Month Avg Min Temperature		51.1		50.0		48.0		+3.1		53.9		in	2017		40.7		in	1981
Month Average Temperature		58.9		57.1		55.5		+3.4		61.5		in	2017		49.1		in	1896
High Heat Index										76		in	1947
Low Wind Chill				43											21		in	1976
Heating Degree Days		0		7		14		-14		32		in	1936		0		in	Many
Month Heating DD		180		217		257		-77		429		in	1896		119		in	2017
Season Heating DD		241		217		257		-16		540		in	1896		145		in	2021
Cooling Degree Days		0		0		0		-0		1		in	1977		0		in	Many
Month Cooling DD		15		4		6		+9		48		in	1954		0		in	2015
Year Cooling DD		723		774		609		+114		871		in	2020		290		in	1902
Maximum Dew Point		62		62		49		+13		64		in	2010		26		in	1979
Minimum Dew Point		53		34		37		+16		61		in	2010		9		in	1974
Average  Dew Point		58		48		43		+15		63		in	2010		21		in	1976
Month Avg Max Dew Point		57.4		56.3		53.8		+3.6		60.3		in	2007		42.6		in	1974
Month Avg Min Dew Point		48.1		46.1		41.9		+6.2		50.0		in	2021		30.0		in	1974
Month Average Dew Point		53.1		51.4		47.8		+5.3		54.9		in	2007		36.3		in	1974
Precipitation		.00		.00		.14		-.14		2.45		in	2019
One Hour Rain		.00		.00						.77		in	2019
Half Hour Rain		.00		.00						.44		in	2019
Hourly Rain Rate		.00		.00						4.54		in	2010
Month Precipitation		3.35		5.26		3.73		-.38		9.91		in	2005		.01		in	1963
Year Precipitation		45.45		35.07		36.81		+8.64		51.27		in	1998		20.15		in	1957
Snow
Snow Depth										T		in	1962
Month Snow						0.0				0.7		in	1979				in
Season Snow						0.0				0.7		in	1979				in
		October 27, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		93%		99%		89%		+4%		100%		in	2018		63%		in	1974
Minimum Humidity		69%		44%		57%		+12%		95%		in	1981		25%		in	1974
Average Humidity		81%		72%		73%		+8%		98%		in	1981		44%		in	1974
Maximum Barometer		30.16		30.34		30.14		+00.02		30.58		in	2015		29.68		in	1959
Minimum Barometer		29.98		29.76		29.86		+00.12		30.49		in	2015		29.22		in	2021
Average Barometer		30.07		30.05		30.00		+00.07		30.54		in	2015		29.52		in	2021
Average Wind		3.5		8.1		6.8		-3.3		24.5		in	2021		1.6		in	1981
Direction		SSW		NW		NNE				N					NE
High Wind Gust		12		23		23		-11		57		in	2021		10		in	2015
Direction		SSW		NW		N				N					SSW
Maximum Water Temp		61.7		62.8		58.9		+2.8		62.8		in	2022		53.8		in	2018
Minimum Water Temp		61.2		60.6		57.1		+4.1		61.2		in	2023		51.4		in	2018
Average Water Temp		61.5		61.7		58.0		+3.4		61.7		in	2022		52.6		in	2018
Sunrise/ AM Twilight		7:10:40 AM						6:43:07 AM
Sunset / PM Twilight		5:46:38 PM						6:15:02 PM
Length Of Day		10:35:21
Special Conditions		None
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