Portsmouth Rhode Island Weather Almanac
Friday, May 10, 2024
Cloudy, Light Rain early then Partly Cloudy, Breezy and Colder
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 10, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		59		65		63		-4		89		in	1896		45		in	1924
Minimum Temperature		45		43		47		-2		59		in	1979		34		in	1977
Average Temperature		52		54		55		-3		71		in	1979		42		in	1977
Month Avg Max Temperature		61.6		62.8		61.5		+0.1		73.3		in	1930		50.8		in	1917
Month Avg Min Temperature		46.4		46.2		45.5		+0.9		52.0		in	1930		38.7		in	1917
Month Average Temperature		54.3		54.7		53.6		+0.7		62.9		in	1930		45.0		in	1917
High Heat Index										88		in	1896
Low Wind Chill		41		42											27		in	2020
Heating Degree Days		13		11		10		+3		23		in	1977		0		in	1979
Month Heating DD		107		103		114		-7		200		in	1917		33		in	1930
Season Heating DD		4838		4582		5318		-480		6351		in	1905		4408		in	2012
Cooling Degree Days		0		0		0		+0		6		in	1979		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		47		48		51		-4		63		in	2015		26		in	1962
Minimum Dew Point		37		30		40		-3		55		in	2015		12		in	1962
Average  Dew Point		42		39		45		-3		59		in	2015		19		in	1962
Month Avg Max Dew Point		53.1		49.8		49.6		+3.5		56.9		in	1998		36.5		in	1952
Month Avg Min Dew Point		42.9		38.5		38.0		+4.9		49.0		in	1998		25.3		in	1968
Month Average Dew Point		48.3		44.5		43.8		+4.5		53.0		in	1998		32.1		in	1968
Precipitation		.16		.00		.11		+.05		.97		in	2021
One Hour Rain		.11		.00						.32		in	1990
Half Hour Rain		.07		.00						.16		in	2012
Hourly Rain Rate		.11		.00						1.23		in	2021
Month Precipitation		1.64		.67		1.17		+.47		4.26		in	1972		.00		in	2015
Year Precipitation		24.56		17.90		17.03		+7.53		31.60		in	1983		10.05		in	1927
Snow		0.0		0.0		0.0		+0.0		T		in	1977
Snow Depth		0		0		0		-0		2		in	1977
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 10, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		94%		94%		87%		+7%		100%		in	2015		43%		in	1962
Minimum Humidity		54%		28%		51%		+3%		95%		in	1998		14%		in	1962
Average Humidity		74%		61%		69%		+5%		98%		in	1998		29%		in	1962
Maximum Barometer		29.85		30.16		30.03		-00.18		30.39		in	2022		29.59		in	1964
Minimum Barometer		29.71		30.03		29.79		-00.08		30.29		in	2022		29.20		in	1945
Average Barometer		29.78		30.10		29.91		-00.13		30.34		in	2022		29.50		in	1969
Average Wind		9.0		6.5		8.0		+1.0		15.6		in	1956		2.3		in	1994
Direction		NE		WNW		WNW				SSW					SW
High Wind Gust		23		26		26		-3		44		in	1964		13		in	1953
Direction		E		SSW		SSW				WNW					SW
Maximum Water Temp		53.1		56.8		53.3		-0.2		60.3		in	2007		44.2		in	2020
Minimum Water Temp		51.8		54.3		50.1		+1.7		54.3		in	2023		42.1		in	2020
Average Water Temp		52.5		55.6		51.7		+0.7		57.1		in	2007		43.2		in	2020
Sunrise/ AM Twilight		5:30:25 AM						4:58:49 AM
Sunset / PM Twilight		7:53:07 PM						8:24:26 PM
Length Of Day		14:22:42
Special Conditions		None
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