Portsmouth Rhode Island Weather Almanac
Thursday, May 16, 2024
Cloudy, Heavy Rain and Fog, Windy, Seasonal Temps
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 16, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		59		71		65		-6		81		in	1951		48		in	1958
Minimum Temperature		55		53		48		+7		59		in	2014		36		in	1936
Average Temperature		57		62		57		+0		68		in	1896		46		in	1936
Month Avg Max Temperature		61.6		66.7		62.5		-0.9		70.2		in	1993		52.8		in	1917
Month Avg Min Temperature		46.9		47.9		46.3		+0.6		50.2		in	1930		40.2		in	1967
Month Average Temperature		54.5		57.5		54.4		+0.1		60.2		in	1930		46.8		in	1917
High Heat Index										81		in	1951
Low Wind Chill															34		in	2016
Heating Degree Days		8		3		8		+0		19		in	1936		0		in	1960
Month Heating DD		168		124		169		-1		292		in	1917		84		in	1993
Season Heating DD		4899		4603		5373		-474		6409		in	1905		4441		in	2012
Cooling Degree Days		0		0		0		+0		3		in	1896		0		in	2024
Month Cooling DD		0		4		0		+0		27		in	2001		0		in	2024
Year Cooling DD		0		4		0		+0		27		in	2001		0		in	2024
Maximum Dew Point		58		55		53		+5		65		in	1972		35		in	2016
Minimum Dew Point		53		40		42		+11		58		in	2014		21		in	1987
Average  Dew Point		56		48		48		+8		59		in	2014		30		in	1987
Month Avg Max Dew Point		53.3		51.6		50.6		+2.6		56.3		in	2004		40.3		in	1966
Month Avg Min Dew Point		43.4		39.1		39.1		+4.3		45.7		in	1998		27.6		in	1966
Month Average Dew Point		48.6		45.7		44.9		+3.7		50.2		in	1998		33.9		in	1966
Precipitation		2.43		.00		.10		+2.33		2.43		in	2024
One Hour Rain		.54		.00						.81		in	2012
Half Hour Rain		.36		.00						.57		in	2012
Hourly Rain Rate		1.89		.00						4.72		in	2012
Month Precipitation		4.89		.67		1.81		+3.08		6.51		in	2006		.02		in	2015
Year Precipitation		27.81		17.90		17.67		+10.14		33.65		in	1983		10.59		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		1.7		in	1977		0.0		in	Many
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		May 16, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		94%		91%		+8%		100%		in	2009		61%		in	1960
Minimum Humidity		95%		32%		55%		+40%		95%		in	2024		21%		in	1987
Average Humidity		97%		63%		73%		+24%		97%		in	2024		44%		in	1987
Maximum Barometer		29.89		29.89		30.07		-00.18		30.61		in	1992		29.67		in	1954
Minimum Barometer		29.67		29.49		29.82		-00.15		30.36		in	2003		29.48		in	2006
Average Barometer		29.78		29.69		29.94		-00.16		30.41		in	2003		29.60		in	1997
Average Wind		13.5		7.8		6.8		+6.7		15.8		in	1985		2.2		in	1975
Direction		NE		W		SW				SSW					SSE
High Wind Gust		30		31		23		+7		48		in	1929		12		in	1975
Direction		E		SSW		SSW				W					NNE
Maximum Water Temp		54.5		59.9		55.1		-0.6		60.6		in	2007		50.0		in	2020
Minimum Water Temp		52.2		56.7		51.8		+0.4		56.7		in	2023		45.0		in	2020
Average Water Temp		53.4		58.3		53.4		-0.1		58.3		in	2023		47.5		in	2020
Sunrise/ AM Twilight		5:24:18 AM						4:52:12 AM
Sunset / PM Twilight		7:59:11 PM						8:31:06 PM
Length Of Day		14:34:53
Special Conditions		Fog, Thunderstorm
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