Portsmouth Rhode Island Weather Almanac
Sunday, May 14, 2023
Clear and Much Cooler (Seasonal Temperatures)
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 14, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		64		76		64		+0		81		in	1991		48		in	1931
Minimum Temperature		48		59		48		+0		59		in	2022		35		in	1996
Average Temperature		56		68		56		+0		68		in	2022		45		in	1931
Month Avg Max Temperature		66.1		62.3		62.1		+3.9		72.1		in	2001		52.2		in	1917
Month Avg Min Temperature		47.6		46.9		46.1		+1.6		50.6		in	1930		39.6		in	1967
Month Average Temperature		57.1		54.9		54.1		+2.9		61.2		in	1930		46.2		in	1917
High Heat Index				78						80		in	1991
Low Wind Chill															34		in	1996
Heating Degree Days		9		0		9		+0		20		in	1931		0		in	2022
Month HDD		115		144		152		-37		263		in	1917		65		in	1930
Season HDD		4594		4926		5325		-731		6389		in	1905		4433		in	2012
Cooling Degree Days		0		3		0		-0		3		in	2022				in
Month CDD		4		3		0		+4		27		in	2001		0		in	2021
Year CDD		9		3		0		+9		27		in	2001		0		in	2021
Maximum Dew Point		50		67		52		-2		67		in	2022		33		in	1977
Minimum Dew Point		35		58		41		-6		58		in	2022		17		in	1994
Average  Dew Point		43		63		47		-4		63		in	2022		27		in	1994
Month Avg Max Dew Point		51.4		49.8		50.3		+1.1		55.1		in	2004		39.9		in	1952
Month Avg Min Dew Point		39.4		38.5		38.7		+0.7		46.0		in	1998		27.6		in	1966
Month Average Dew Point		45.8		44.4		44.5		+1.3		50.0		in	1998		34.0		in	1966
Precipitation		.00		.02		.11		-.11		1.48		in	2006
One Hour		.00		.01						.51		in	2006
Hourly Rate		.00		.00						4.80		in	2006
Month Precipitation		.67		1.00		1.61		-.94		6.08		in	2006		T		in	2001
Year Precipitation		17.90		17.40		17.34		+.56		31.82		in	1983		10.18		in	1927
Snow		0.0		0.0		0.0		+0.0		0.0		in					in
Snow Depth		0		0						0		in					in
Month Snow		0.0		0.0		0.0		+0.0		1.7		in	1977		0.0		in	2023
Season Snow		9.1		34.7		33.5		-24.4		84.1		in	1996		5.0		in	1998
		May 14, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		93%		100%		90%		+3%		100%		in	2022		52%		in	1951
Minimum Humidity		43%		71%		52%		-9%		93%		in	2006		18%		in	1994
Average Humidity		68%		86%		71%		-3%		97%		in	2006		36%		in	1994
Maximum Barometer		30.20		30.19		30.09		+00.12		30.55		in	1986		29.55		in	2002
Minimum Barometer		30.08		29.72		29.86		+00.22		30.26		in	2014		29.32		in	2002
Average Barometer		30.14		29.96		29.97		+00.17		30.34		in	1951		29.44		in	2002
Average Wind		6.4		5.5		6.5		-0.1		12.3		in	1971		2.9		in	1992
Direction		ENE		S		SSE				NW					SW
High Wind Gust		18		25		23		-5		36		in	2017		13		in	2004
Direction		NE		SW		SW				NW					S
Maximum Water Temp		59.9		56.1		54.5		+5.4		60.1		in	2007		47.8		in	2020
Minimum Water Temp		54.7		53.1		51.4		+3.3		56.4		in	2012		44.2		in	2020
Average Water Temp		57.3		54.6		52.9		+4.4		58.2		in	2007		46.0		in	2020
Sunrise/ AM Twilight		5:26:59 AM						4:54:18 AM
Sunset / PM Twilight		7:56:26 PM						8:28:55 PM
Length Of Day		14:29:27
Special Conditions		None
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