Portsmouth Rhode Island Weather Almanac
Monday, May 1, 2023
Cloudy, Light Rain & Fog early, Partly Cloudy Day to Clear PM, Windy and Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 1, 2023								Record					Record
Observed Daily Data		2023		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		58		65		60		-2		77		in	2001		44		in	1950
Minimum Temperature		48		40		44		+4		54		in	1983		33		in	2000
Average Temperature		53		53		52		+1		64		in	2001		42		in	1950
Month Avg Max Temperature		58.0		65.0		60.0		-2.0		77.0		in	2001		44.0		in	1950
Month Avg Min Temperature		48.0		40.0		44.0		+4.0		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										83		in	2001
Low Wind Chill		43		38		26		+17							26		in	2000
Heating Degree Days		12		12		13		-1		23		in	1950		1		in	2001
Month HDD		12		12		13		-1		23		in	1950		1		in	2001
Season HDD		4491		4794		5186		-695		6271		in	1904		4305		in	2012
Cooling Degree Days		0		0		0		+0		0		in					in
Month CDD		0		0		0		+0		0		in	2023		0		in	2023
Year CDD		0		0		0		+0		13		in	1976		0		in	2022
Maximum Dew Point		57		43		48		+9		58		in	2020		23		in	1952
Minimum Dew Point		44		35		36		+8		48		in	2020		12		in	1974
Average  Dew Point		51		39		42		+9		53		in	2020		20		in	1978
Month Avg Max Dew Point		57.0		43.0		48.0		+9.0		58.0		in	2020		23.0		in	1952
Month Avg Min Dew Point		44.0		35.0		36.0		+8.0		48.0		in	2020		12.0		in	1974
Month Average Dew Point		51.0		39.0		42.0		+9.0		53.0		in	2020		20.0		in	1978
Precipitation		.04		.00		.13		-.09		1.28		in	1953
One Hour		.02		.00						.45		in	1953
Hourly Rate		.00		.00						4.06		in	2014
Month Precipitation		.04		.00		.13		-.09		1.28		in	1953		.00		in	2022
Year Precipitation		17.27		16.40		15.86		+1.41		31.21		in	1983		7.53		in	1985
Snow		0.0		0.0		0.0		+0.0		T		in	1995				in
Snow Depth		0		0						0		in					in
Month Snow		0.0		0.0		0.0		+0.0		T		in	1995		0.0		in	2017
Season Snow		9.1		34.7		33.5		-24.4		84.1		in	1996		5.0		in	1998
		May 1, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		97%		87%		+12%		100%		in	2017		45%		in	1952
Minimum Humidity		61%		38%		48%		+13%		93%		in	2014		19%		in	2007
Average Humidity		80%		68%		68%		+12%		97%		in	2014		34%		in	1952
Maximum Barometer		29.50		30.14		30.08		-00.58		30.57		in	1934		29.50		in	2023
Minimum Barometer		29.07		30.09		29.83		-00.76		30.35		in	2013		29.07		in	2023
Average Barometer		29.29		30.12		29.96		-00.67		30.41		in	2013		29.29		in	2023
Average Wind		12.3		5.3		7.4		+4.9		14.4		in	1983		3.1		in	1989
Direction		SSW		SW		S				S					ESE
High Wind Gust		41		21		25		+16		43		in	1974		13		in	2018
Direction		W		SW		S				NW					WNW
Maximum Water Temp		53.8		51.3		51.0		+2.8		58.8		in	2007		43.2		in	2020
Minimum Water Temp		51.1		48.6		48.0		+3.1		53.6		in	2007		40.8		in	2020
Average Water Temp		52.5		50.0		49.5		+2.9		56.2		in	2007		42.0		in	2020
Sunrise/ AM Twilight		5:42:14 AM						5:10:25 AM
Sunset / PM Twilight		7:42:47 PM						8:14:01 PM
Length Of Day		14:00:33
Special Conditions		Fog
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