Portsmouth Rhode Island Weather Almanac
Wednesday, April 23, 2025
Partly Cloudy to Clear PM, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2025
		April 23, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Temperature		66		55		58		+8		80		in	1973		39		in	1911
Minimum Temperature		50		38		41		+9		52		in	1954		28		in	1933
Average Temperature		58		47		50		+8		65		in	1973		35		in	1930
Month Avg Max Temperature		55.0		54.5		54.0		+1.0		62.4		in	1976		46.5		in	1907
Month Avg Min Temperature		39.4		40.3		38.4		+1.0		43.0		in	2012		31.9		in	1943
Month Average Temperature		47.4		47.7		46.5		+0.9		52.1		in	2010		40.0		in	1907
High Heat Index												in
Low Wind Chill		48		36		36		+12							18		in	1989
Heating Degree Days		7		18		15		-8		30		in	1930		0		in	1973
Month Heating DD		404		398		425		-21		576		in	1907		296		in	2010
Season Heating DD		4767		4630		5075		-308		6147		in	1904		4175		in	2012
Cooling Degree Days		0		0		0		+0		0		in			0		in	All
Month Cooling DD						0				13		in	1976
Year Cooling DD						0				13		in	1976
Maximum Dew Point		54		48		45		+9		61		in	1954		21		in	1989
Minimum Dew Point		39		32		32		+7		51		in	1954		10		in	1989
Average  Dew Point		47		40		39		+8		56		in	1954		16		in	1989
Month Avg Max Dew Point		46.3		43.8		41.7		+4.5		47.7		in	1987		32.6		in	1975
Month Avg Min Dew Point		31.3		34.0		28.4		+2.8		36.3		in	2010		17.9		in	1982
Month Average Dew Point		38.8		38.9		35.1		+3.7		41.5		in	2010		26.6		in	1982
Precipitation		.00		.00		.14		-.14		1.28		in	2006
One Hour Rain		.00		.00						.42		in	2006
Half Hour Rain		.00		.00						.28		in	2014
Hourly Rain Rate		.00		.00						4.33		in	2014
Month Precipitation		2.52		3.98		3.29		-.77		9.19		in	1983		.35		in	1966
Year Precipitation		11.78		22.82		14.75		-2.97		28.46		in	1983		7.48		in	1985
Snow		0.0		0.0		0.0		+0.0		T		in	1997		0.0		in
Snow Depth		0		0		0.0		+0.0		0		in			0		in
Month Snow		T		0.0		0.5		-0.5		9.6		in	1996		0.0		in	2024
Season Snow		11.9		12.7		33.5		-21.6		84.1		in	1996		5.0		in	1998
		April 23, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Humidity		91%		96%		90%		+1%		100%		in	1905		46%		in	1978
Minimum Humidity		38%		44%		51%		-13%		91%		in	2023		20%		in	1978
Average Humidity		65%		70%		70%		-6%		95%		in	2023		33%		in	1978
Maximum Barometer		30.21		30.22		30.01		+00.20		30.63		in	1966		29.44		in	1971
Minimum Barometer		30.00		30.02		29.75		+00.25		30.38		in	2018		29.17		in	1993
Average Barometer		30.11		30.12		29.88		+00.23		30.44		in	2018		29.36		in	1971
Average Wind		7.1		6.1		7.9		-0.8		16.5		in	1986		2.7		in	1981
Direction		NNW		S		SE				NNE					SE
High Wind Gust		22		22		25		-3		46		in	1962		12		in	1981
Direction		S		S		SSE				WNW					SE
Maximum Water Temp		50.2		50.9		48.6		+1.6		54.3		in	2007		41.0		in	2020
Minimum Water Temp		46.6		48.6		45.7		+0.9		50.2		in	2012		39.6		in	2020
Average Water Temp		48.4		49.8		47.2		+1.2		51.1		in	2007		40.3		in	2020
Sunrise/ AM Twilight		6:42:46 AM						5:22:06 AM
Sunset / PM Twilight		7:34:40 PM						8:04:38 PM
Length Of Day		13:42:39
Special Conditions		None
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