Portsmouth Rhode Island Weather Almanac
Wednesday, May 1, 2024
Cloudy to Clear PM, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 1, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		60		58		60		+0		77		in	2001		44		in	1950
Minimum Temperature		45		48		44		+1		54		in	1983		33		in	2000
Average Temperature		53		53		52		+1		64		in	2001		42		in	1950
Month Avg Max Temperature		60.0		58.0		60.0		+0.0		77.0		in	2001		44.0		in	1950
Month Avg Min Temperature		45.0		48.0		44.0		+1.0		54.0		in	1983		33.0		in	2000
Month Average Temperature		53.0		53.0		52.0		+1.0		64.0		in	2001		42.0		in	1950
High Heat Index												in
Low Wind Chill		42		43		26		+16							26		in	2000
Heating Degree Days		12		12		13		-1		23		in	1950		1		in	2001
Month Heating DD		12		12		13		-1		23		in	1950		1		in	2001
Season Heating DD		4743		4491		5217		-474		6271		in	1904		4305		in	2012
Cooling Degree Days		0		0		0		+0		0		in			0		in	2024
Month Cooling DD		0		0		0		+0		0		in	2024		1		in	2001
Year Cooling DD		0		0		0		+0		0		in	2024		0		in	2024
Maximum Dew Point		50		57		48		+2		58		in	2020		23		in	1952
Minimum Dew Point		41		44		36		+5		48		in	2020		12		in	1974
Average  Dew Point		46		51		42		+4		53		in	2020		20		in	1978
Month Avg Max Dew Point		57.0		57.0		48.0		+9.0		58.0		in	2020		23.0		in	1952
Month Avg Min Dew Point		44.0		44.0		36.0		+8.0		48.0		in	2020		12.0		in	1974
Month Average Dew Point		51.0		51.0		42.0		+9.0		53.0		in	2020		20.0		in	1978
Precipitation		.10		.04		.13		-.03		1.28		in	1953
One Hour Rain		.04		.02						.45		in	1953
Half Hour Rain		.02		.01						.31		in	2014
Hourly Rain Rate		.17		.00						4.06		in	2014
Month Precipitation		.10		.04		.13		-.03		1.28		in	1953		.00		in	2022
Year Precipitation		23.02		17.27		15.99		+7.03		31.21		in	1983		7.53		in	1985
Snow		0.0		0.0		0.0		+0.0		T		in	1995
Snow Depth		0		0		0		+0				in	2024
Month Snow		0.0		0.0		0.0		+0.0		T		in	1995		0.0		in	2017
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		May 1, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		97%		99%		87%		+10%		100%		in	2017		45%		in	1952
Minimum Humidity		71%		61%		48%		+23%		93%		in	2014		19%		in	2007
Average Humidity		84%		80%		68%		+16%		97%		in	2014		34%		in	1952
Maximum Barometer		30.05		29.50		30.08		-00.03		30.57		in	1934		29.50		in	2023
Minimum Barometer		29.85		29.07		29.83		+00.02		30.35		in	2013		29.07		in	2023
Average Barometer		29.95		29.29		29.96		-00.01		30.41		in	2013		29.29		in	2023
Average Wind		5.9		12.3		7.4		-1.5		14.4		in	1983		3.1		in	1989
Direction		N		SSW		S				S					ESE
High Wind Gust		16		41		25		-9		43		in	1974		13		in	2018
Direction		NNE		W		S				NW					WNW
Maximum Water Temp		51.4		53.8		51.0		+0.4		58.8		in	2007		43.2		in	2020
Minimum Water Temp		48.9		51.1		48.0		+0.9		53.6		in	2007		40.8		in	2020
Average Water Temp		50.2		52.5		49.5		+0.6		56.2		in	2007		42.0		in	2020
Sunrise/ AM Twilight		5:41:15 AM						5:10:25 AM
Sunset / PM Twilight		7:43:36 PM						8:14:01 PM
Length Of Day		14:02:21
Special Conditions		None
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