Portsmouth Rhode Island Weather Almanac
Saturday, April 13, 2024
Partly Cloudy early then Cloudy, Windy and Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		April 13, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		54		79		54		+0		79		in	2023		38		in	1929
Minimum Temperature		45		51		39		+6		51		in	2023		26		in	1956
Average Temperature		50		65		47		+3		65		in	2023		35		in	1929
Month Avg Max Temperature		52.1		58.4		52.3		-0.2		62.3		in	2010		43.6		in	2003
Month Avg Min Temperature		39.2		40.2		37.1		+2.2		43.7		in	2010		28.5		in	1982
Month Average Temperature		45.9		49.5		45.0		+0.9		53.2		in	2010		37.9		in	1982
High Heat Index										78		in	2023
Low Wind Chill		39		51		31		+8							18		in	1956
Heating Degree Days		15		0		18		-3		30		in	1929		0		in	2023
Month Heating DD		248		201		260		-12		352		in	1982		153		in	2010
Season Heating DD		4477		4268		4941		-464		5984		in	1918		4087		in	2012
Cooling Degree Days		0		0		0		+0		0		in	2023		0		in	Many
Month Cooling DD		0		0		0		+0				in			0		in	Many
Year Cooling DD		0		0		0		+0				in			0		in	Many
Maximum Dew Point		47		54		42		+5		56		in	2019		18		in	1992
Minimum Dew Point		38		42		29		+9		48		in	2020		3		in	1992
Average  Dew Point		43		48		35		+8		52		in	2019		11		in	1992
Month Avg Max Dew Point		42.8		44.6		40.2		+2.7		49.1		in	2010		29.0		in	1965
Month Avg Min Dew Point		34.1		28.8		26.7		+7.4		36.9		in	2010		13.2		in	1982
Month Average Dew Point		38.5		36.7		33.4		+5.1		43.0		in	2010		21.7		in	1982
Precipitation		T		.00		.14		-.14		2.55		in	1913
One Hour Rain		T		.00						.40		in	2004
Half Hour Rain		.00		.00						.26		in	2011
Hourly Rain Rate		.00		.00						4.30		in	2011
Month Precipitation		3.21		.70		1.89		+1.32		5.72		in	1983		.03		in	1963
Year Precipitation		22.05		14.20		13.48		+8.57		24.99		in	1983		6.57		in	2012
Snow		0.0		0.0		0.0		+0.0		0.4		in	1950
Snow Depth		0		0		0		+0		T		in	1958
Month Snow		0.0		0.0		0.5		-0.5		9.6		in	1996		0.0		in	2024
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		April 13, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		81%		84%		+11%		100%		in	2019		43%		in	1976
Minimum Humidity		58%		38%		49%		+9%		93%		in	2004		13%		in	1963
Average Humidity		77%		60%		67%		+10%		97%		in	2004		33%		in	1992
Maximum Barometer		29.74		29.85		30.12		-00.38		30.67		in	1991		29.43		in	1953
Minimum Barometer		29.49		29.75		29.85		-00.36		30.39		in	2000		29.19		in	1965
Average Barometer		29.62		29.80		29.98		-00.37		30.47		in	2000		29.33		in	1953
Average Wind		10.5		7.4		7.7		+2.8		19.9		in	1987		3.6		in	1984
Direction		W		SSW		S				NNE					ESE
High Wind Gust		32		31		26		+6		48		in	2020		15		in	1970
Direction		WNW		SSW		NNE				SSE					S
Maximum Water Temp		46.6		50.9		46.3		+0.4		53.3		in	2010		42.0		in	2020
Minimum Water Temp		45.5		47.3		43.6		+1.9		47.7		in	2012		38.8		in	2003
Average Water Temp		46.1		49.1		44.9		+1.1		49.7		in	2010		40.9		in	2003
Sunrise/ AM Twilight		6:07:30 AM						5:38:01 AM
Sunset / PM Twilight		7:24:03 PM						7:52:59 PM
Length Of Day		13:16:33
Special Conditions		None
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