Portsmouth Rhode Island Weather Almanac
Sunday, April 16, 2023
Cloudy, Light Rain & Dense Fog early, Light Winds, Warm and Humid
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		April 16, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		68		60		55		+13		74		in	1941		40		in	1895
Minimum Temperature		53		45		39		+14		53		in	2023		27		in	1943
Average Temperature		61		53		48		+13		62		in	1896		36		in	1943
Month Avg Max Temperature		61.3		57.7		52.8		+8.5		61.9		in	1945		45.2		in	1907
Month Avg Min Temperature		42.4		41.4		37.4		+4.9		43.2		in	2010		29.7		in	1982
Month Average Temperature		52.1		49.8		45.4		+6.7		52.7		in	2010		38.8		in	1907
High Heat Index												in
Low Wind Chill		50		41		33		+17							17		in	1981
Heating Degree Days		4		12		17		-13		29		in	1943		3		in	1896
Month HDD		211		244		313		-102		419		in	1907		197		in	2010
Season HDD		4278		4544		4963		-685		6028		in	1918		4111		in	2012
Cooling Degree Days		0		0		0		+0		0		in					in
Month CDD		5		0		0		+5		5		in	2023				in
Year CDD		5		0		0		+5		5		in	2023				in
Maximum Dew Point		60		51		43		+17		61		in	2000		26		in	1977
Minimum Dew Point		51		37		30		+21		51		in	2023		11		in	1992
Average  Dew Point		56		44		36		+20		56		in	2023		21		in	1992
Month Avg Max Dew Point		47.5		45.2		40.6		+6.9		47.5		in	2023		30.3		in	1975
Month Avg Min Dew Point		32.6		31.8		27.2		+5.4		35.6		in	2010		14.6		in	1992
Month Average Dew Point		40.0		38.5		33.9		+6.2		41.4		in	2010		22.8		in	1992
Precipitation		.10		.01		.14		-.04		2.29		in	1961
One Hour		.04		.01						.57		in	1961
Hourly Rate		.11		.00						2.64		in	2018
Month Precipitation		.99		1.72		2.31		-1.32		6.74		in	1964		.03		in	1963
Year Precipitation		14.49		14.62		13.77		+.72		25.62		in	1983		6.69		in	2012
Snow		0.0		0.0		0.0		+0.0		2.0		in	1992				in
Snow Depth		0		0						T		in	1950				in
Month Snow		0.0		0.0		0.5		-0.5		9.6		in	1996		0.0		in	2023
Season Snow		9.1		34.2		33.5		-24.4		84.1		in	1996		5.0		in	1998
		April 16, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		90%		89%		+10%		100%		in	2018		49%		in	1977
Minimum Humidity		77%		63%		51%		+26%		96%		in	1984		20%		in	1959
Average Humidity		88%		77%		70%		+18%		98%		in	1984		37%		in	1977
Maximum Barometer		29.90		30.07		30.07		-00.17		30.61		in	2005		29.30		in	2007
Minimum Barometer		29.79		29.79		29.77		+00.02		30.39		in	2016		28.85		in	2007
Average Barometer		29.85		29.93		29.92		-00.07		30.50		in	2005		29.08		in	2007
Average Wind		4.0		11.3		8.6		-4.6		20.0		in	1956		3.6		in	2008
Direction		ENE		SSW		NNE				S					WSW
High Wind Gust		16		36		27		-11		58		in	1956		13		in	2002
Direction		N		SSW		NE				S					SSW
Maximum Water Temp		50.9		50.0		47.2		+3.7		53.9		in	2012		41.4		in	2018
Minimum Water Temp		49.4		47.8		44.2		+5.2		49.5		in	2012		40.0		in	2003
Average Water Temp		50.2		48.9		45.7		+4.4		51.7		in	2012		40.8		in	2018
Sunrise/ AM Twilight		6:03:59 AM						5:33:08 AM
Sunset / PM Twilight		7:26:29 PM						7:56:44 PM
Length Of Day		13:22:30
Special Conditions		Dense Fog
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