Portsmouth Rhode Island Weather Almanac
Saturday, December 23, 2023
Partly Cloudy To Cloudy PM, Light Winds and Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		December 23, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		43		54		42		+1		62		in	2015		20		in	1989
Minimum Temperature		25		15		28		-3		50		in	1990		2		in	1955
Average Temperature		34		35		35		-1		55		in	2015		13		in	1989
Month Avg Max Temperature		46.8		44.3		44.1		+2.7		53.9		in	2015		31.5		in	1989
Month Avg Min Temperature		33.9		31.7		31.0		+3.0		41.5		in	2015		15.0		in	1989
Month Average Temperature		40.6		38.3		37.4		+3.2		48.0		in	2015		23.5		in	1989
High Heat Index										#N/A		in	#N/A
Low Wind Chill		23		1		18		+5							-13		in	1954
Heating Degree Days		31		30		30		+1		52		in	1989		10		in	2015
Month Heating DD		561		615		632		-71		955		in	1989		390		in	2015
Season Heating DD		1502		1436		1622		-120		2202		in	1904		1185		in	2015
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		35		53		34		+1		62		in	2015		-2		in	1989
Minimum Dew Point		14		5		19		-5		50		in	1990		-7		in	1955
Average  Dew Point		25		29		26		-1		55		in	2015		-4		in	1989
Month Avg Max Dew Point		39.3		38.3		35.1		+4.3		48.8		in	2015		15.9		in	1989
Month Avg Min Dew Point		27.3		23.9		19.8		+7.6		36.3		in	2015		-1.2		in	1989
Month Average Dew Point		33.6		31.3		27.4		+6.2		42.7		in	2015		7.4		in	1989
Precipitation		.00		.64		.14		-.14		1.85		in	2015
One Hour Rain		.00		.16						.99		in	2015
Half Hour Rain		.00		.09						.71		in	2015
Hourly Rain Rate		.00		3.43						4.50		in	2004
Month Precipitation		4.63		4.66		3.44		+1.19		9.27		in	1936		.37		in	1998
Year Precipitation		53.68		42.47		44.87		+8.81		65.09		in	1983		27.14		in	1965
Snow		0.0		T		0.2		-0.2		6.2		in	1896
Snow Depth		0		0		1		-1		17		in	2009
Month Snow		0.1		1.5		4.2		-4.1		21.3		in	1981		0.0		in	2015
Season Snow		0.1		1.5		4.8		+4.8		21.3		in	1898		0.0		in	2015
		December 23, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		88%		99%		85%		+3%		100%		in	2017		51%		in	1960
Minimum Humidity		63%		63%		59%		+4%		93%		in	1990		26%		in	1971
Average Humidity		76%		81%		72%		+4%		97%		in	1990		44%		in	1960
Maximum Barometer		30.54		29.93		30.17		+00.37		30.78		in	1971		29.76		in	1991
Minimum Barometer		30.45		29.04		29.84		+00.61		30.64		in	1971		28.96		in	1968
Average Barometer		30.50		29.49		30.01		+00.49		30.71		in	1971		29.46		in	1968
Average Wind		3.1		20.6		7.9		-4.8		20.6		in	2022		1.9		in	1996
Direction		E		SW		W				SW					SSE
High Wind Gust		14		46		26		-12		61		in	1994		11		in	1980
Direction		SSE		SW		NW				NNE					ESE
Maximum Water Temp		46.4		48.2		44.5		+1.9		51.1		in	2011		38.9		in	2008
Minimum Water Temp		43.3		45.7		42.2		+1.1		49.2		in	2015		36.9		in	2008
Average Water Temp		44.9		47.0		43.4		+1.5		50.0		in	2011		37.9		in	2008
Sunrise/ AM Twilight		7:09:06 AM						6:39:34 AM
Sunset / PM Twilight		4:19:05 PM						4:49:07 PM
Length Of Day		9:09:59
Special Conditions		None
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