Portsmouth Rhode Island Weather Almanac
Thursday, May 2, 2024
Mostly Cloudy & Fog early, Cloudy Day to Partly Cloudy PM, Continued Cool
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 2, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		59		55		60		-1		85		in	2001		45		in	1953
Minimum Temperature		43		47		45		-2		58		in	1894		33		in	1895
Average Temperature		51		51		53		-2		70		in	1894		41		in	1941
Month Avg Max Temperature		59.5		56.5		60.0		-0.5		81.0		in	2001		47.5		in	1962
Month Avg Min Temperature		44.0		47.5		44.5		-0.5		56.0		in	1894		35.0		in	1978
Month Average Temperature		52.0		52.0		52.5		-0.5		66.5		in	1894		43.5		in	1941
High Heat Index										83		in	2001
Low Wind Chill		41		44											30		in	1941
Heating Degree Days		14		14		12		+2		24		in	1941		0		in	2018
Month Heating DD		26		26		25		+1		43		in	1941		1		in	2001
Season Heating DD		4757		4505		5229		-472		6282		in	1904		4319		in	2012
Cooling Degree Days		0		0		0		+0		5		in	1894		0		in	2024
Month Cooling DD		0		0		0		+0		5		in	1894		0		in	2024
Year Cooling DD		0		0		0		+0		5		in	1894		0		in	2024
Maximum Dew Point		54		50		49		+5		62		in	1989		25		in	1957
Minimum Dew Point		40		43		37		+3		51		in	2004		9		in	1974
Average  Dew Point		47		47		43		+4		55		in	2010		18		in	1974
Month Avg Max Dew Point		53.5		53.5		48.5		+5.0		58.0		in	2017		25.5		in	1952
Month Avg Min Dew Point		43.5		43.5		36.5		+7.0		49.0		in	2004		10.5		in	1974
Month Average Dew Point		49.0		49.0		42.5		+6.5		53.0		in	2004		23.3		in	1952
Precipitation		.00		.29		.12		-.12		1.40		in	1989
One Hour Rain		.00		.16						.65		in	1989
Half Hour Rain		.00		.09						.18		in	2022
Hourly Rain Rate		.00		.92						1.70		in	2017
Month Precipitation		.10		.33		.25		-.15		1.50		in	1989		.00		in	2018
Year Precipitation		23.02		17.56		16.11		+6.91		31.21		in	1983		7.90		in	1985
Snow		0.0		0.0		0.0		+0.0		T		in	1941
Snow Depth		0		0		0		+0				in	2024
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 2, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		98%		97%		88%		+10%		100%		in	2019		48%		in	1957
Minimum Humidity		79%		70%		51%		+28%		89%		in	1998		17%		in	1951
Average Humidity		89%		84%		69%		+19%		95%		in	1998		34%		in	1957
Maximum Barometer		30.07		29.49		30.06		+00.01		30.52		in	1903		29.49		in	2023
Minimum Barometer		29.88		29.37		29.82		+00.06		30.35		in	2013		29.37		in	2023
Average Barometer		29.98		29.43		29.94		+00.03		30.41		in	2013		29.43		in	2023
Average Wind		6.8		8.4		7.6		-0.8		14.8		in	2006		3.8		in	2015
Direction		S		S		WNW				N					S
High Wind Gust		24		28		26		-2		42		in	1997		13		in	1972
Direction		NNE		SSW		NE				WNW					NE
Maximum Water Temp		51.6		53.2		51.3		+0.3		58.6		in	2007		45.9		in	2020
Minimum Water Temp		50.4		52.3		48.1		+2.3		52.3		in	2023		41.9		in	2020
Average Water Temp		51.0		52.8		49.7		+1.3		55.1		in	2007		43.9		in	2020
Sunrise/ AM Twilight		5:39:57 AM						5:09:03 AM
Sunset / PM Twilight		7:44:40 PM						8:15:11 PM
Length Of Day		14:04:43
Special Conditions		Fog
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