Portsmouth Rhode Island Weather Almanac
Sunday, May 5, 2024
Cloudy, PM Rain and Fog, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 5, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		52		60		61		-9		78		in	1949		42		in	1917
Minimum Temperature		45		45		45		+0		55		in	2010		34		in	1920
Average Temperature		49		53		53		-4		65		in	2010		40		in	1917
Month Avg Max Temperature		58.4		56.2		60.6		-2.2		80.4		in	2001		49.8		in	1917
Month Avg Min Temperature		43.8		45.0		44.8		-1.0		54.2		in	2010		36.6		in	1964
Month Average Temperature		51.4		50.8		52.8		-1.4		67.4		in	2001		44.4		in	1917
High Heat Index										78		in	1949
Low Wind Chill		41		42											35		in	2016
Heating Degree Days		16		12		12		+4		25		in	1917		0		in	2010
Month Heating DD		68		71		61		+7		103		in	1917		7		in	2001
Season Heating DD		4799		4550		5265		-466		6316		in	1904		4360		in	2012
Cooling Degree Days		0		0		0		+0		0		in			0		in	2024
Month Cooling DD		0		0		0		+0		19		in	2001		0		in	2024
Year Cooling DD		0		0		0		+0		19		in	2001		0		in	2024
Maximum Dew Point		48		48		49		-1		60		in	1993		33		in	1952
Minimum Dew Point		42		41		38		+4		51		in	1998		13		in	1969
Average  Dew Point		45		45		44		+1		55		in	1998		27		in	1974
Month Avg Max Dew Point		50.2		49.4		48.8		+1.4		57.0		in	2010		29.2		in	1952
Month Avg Min Dew Point		40.0		41.6		37.0		+3.0		48.0		in	1998		17.4		in	1974
Month Average Dew Point		45.4		46.0		43.0		+2.4		52.5		in	1998		26.0		in	1952
Precipitation		.24		T		.12		+.12		1.73		in	1922
One Hour Rain		.12		T						.51		in	1955
Half Hour Rain		.10		.00						.25		in	2017
Hourly Rain Rate		.31		.00						3.00		in	2017
Month Precipitation		.34		.35		.61		-.27		3.08		in	1922		.00		in	2015
Year Precipitation		23.26		17.58		16.47		+6.79		31.53		in	1983		9.78		in	1927
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0		0		+0				in
Month Snow		0.0		0.0		0.0		+0.0		T		in	1995		0.0		in	Many
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		May 5, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		95%		88%		+11%		100%		in	2017		61%		in	1952
Minimum Humidity		85%		59%		51%		+34%		90%		in	2021		17%		in	1969
Average Humidity		92%		77%		69%		+23%		95%		in	1998		43%		in	1952
Maximum Barometer		30.37		30.21		30.06		+00.31		30.53		in	2005		29.63		in	1980
Minimum Barometer		30.15		30.05		29.84		+00.31		30.43		in	2005		29.37		in	1990
Average Barometer		30.26		30.13		29.95		+00.31		30.48		in	2005		29.57		in	1980
Average Wind		7.4		7.2		7.5		-0.1		15.5		in	1966		1.7		in	2012
Direction		SSE		N		SSE				SW					SE
High Wind Gust		20		20		25		-5		46		in	1966		10		in	2012
Direction		SSE		NNE		SSE				SW					SE
Maximum Water Temp		51.4		53.4		52.2		-0.8		60.3		in	2007		46.9		in	2020
Minimum Water Temp		50.4		51.8		49.0		+1.4		54.3		in	2010		42.6		in	2020
Average Water Temp		50.9		52.6		50.6		+0.3		56.1		in	2010		44.8		in	2020
Sunrise/ AM Twilight		5:36:12 AM						5:05:02 AM
Sunset / PM Twilight		7:47:52 PM						8:18:41 PM
Length Of Day		14:11:40
Special Conditions		Fog
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