Portsmouth Rhode Island Weather Almanac
Sunday, April 23, 2023
Cloudy, Rain Mid-Day, Foggy and Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		April 23, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		52		60		58		-6		80		in	1973		39		in	1911
Minimum Temperature		47		42		41		+6		52		in	1954		28		in	1933
Average Temperature		50		51		50		+0		65		in	1973		35		in	1930
Month Avg Max Temperature		59.4		57.2		54.0		+5.4		62.4		in	1976		46.5		in	1907
Month Avg Min Temperature		43.0		40.9		38.4		+4.6		43.0		in	2012		31.9		in	1943
Month Average Temperature		51.5		49.2		46.5		+5.0		52.1		in	2010		40.0		in	1907
High Heat Index										80		in	1973
Low Wind Chill		44		41		36		+8							18		in	1989
Heating Degree Days		15		14		15		+0		30		in	1930		0		in	1973
Month HDD		316		363		425		-109		576		in	1907		296		in	2010
Season HDD		4383		4663		5075		-692		6147		in	1904		4175		in	2012
Cooling Degree Days		0		0		0		+0				in					in
Month CDD		5		0		0		+5		13		in	1976				in
Year CDD		5		0		0		+5		13		in	1976				in
Maximum Dew Point		50		40		45		+5		61		in	1954		21		in	1989
Minimum Dew Point		47		27		32		+15		51		in	1954		10		in	1989
Average  Dew Point		49		34		39		+10		56		in	1954		16		in	1989
Month Avg Max Dew Point		47.2		44.4		41.7		+5.5		47.7		in	1987		32.6		in	1975
Month Avg Min Dew Point		34.3		30.4		28.4		+5.8		36.3		in	2010		17.9		in	1982
Month Average Dew Point		40.7		37.4		35.1		+5.7		41.5		in	2010		26.6		in	1982
Precipitation		.36		.00		.14		+.22		1.28		in	2006
One Hour		.07		.00						.42		in	2006
Hourly Rate		1.73		.00						4.33		in	2014
Month Precipitation		1.55		3.27		3.29		-1.74		9.19		in	1983		.35		in	1966
Year Precipitation		15.05		16.17		14.75		+.30		28.46		in	1983		7.48		in	1985
Snow		0.0		0.0		0.0		+0.0		T		in	1930				in
Snow Depth		0		0						0		in					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 23, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		98%		70%		90%		+8%		100%		in	2011		46%		in	1978
Minimum Humidity		91%		31%		51%		+40%		91%		in	2023		20%		in	1978
Average Humidity		95%		51%		70%		+24%		95%		in	2023		33%		in	1978
Maximum Barometer		30.01		30.41		30.01		+00.00		30.63		in	1966		29.44		in	1971
Minimum Barometer		29.86		30.22		29.74		+00.12		30.38		in	2018		29.17		in	1993
Average Barometer		29.94		30.32		29.87		+00.06		30.44		in	2018		29.36		in	1971
Average Wind		8.9		5.9		7.9		+1.0		16.5		in	1986		2.7		in	1981
Direction		SE		NW		SE				NNE					SE
High Wind Gust		27		21		25		+2		46		in	1962		12		in	1981
Direction		ESE		SSW		SSE				WNW					SE
Maximum Water Temp		48.6		51.8		48.4		+0.2		54.3		in	2007		41.0		in	2020
Minimum Water Temp		47.5		48.9		45.5		+2.0		50.2		in	2012		39.6		in	2020
Average Water Temp		48.1		50.4		47.0		+1.0		51.1		in	2007		40.3		in	2020
Sunrise/ AM Twilight		5:53:23 AM						5:22:06 AM
Sunset / PM Twilight		7:34:07 PM						8:04:55 PM
Length Of Day		13:40:44
Special Conditions		Dense Fog
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