Portsmouth Rhode Island Weather Almanac
Friday, May 19, 2023
Clear early then Partly Cloudy, Breezy and Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 19, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		62		57		66		-4		83		in	2017		47		in	1950
Minimum Temperature		45		51		49		-4		61		in	2017		34		in	1981
Average Temperature		54		54		58		-4		72		in	2017		46		in	1994
Month Avg Max Temperature		65.5		63.6		63.0		+2.5		69.0		in	2001		55.1		in	1917
Month Avg Min Temperature		46.8		48.5		46.7		+0.1		50.1		in	1930		40.9		in	1967
Month Average Temperature		56.4		56.3		54.9		+1.5		59.5		in	1930		48.5		in	1917
High Heat Index										85		in	2017
Low Wind Chill		42													31		in	1981
Heating Degree Days		11		11		7		+4		19		in	1994		0		in	2021
Month Heating DD		168		168		192		-24		314		in	1917		110		in	1993
Season Heating DD		4647		4950		5365		-718		6444		in	1905		4458		in	2012
Cooling Degree Days		0		0		0		-0		7		in	2017				in
Month Cooling DD		4		3		0		+4		27		in	2001		0		in	2020
Year Cooling DD		9		3		0		+9		27		in	2001		0		in	2020
Maximum Dew Point		53		53		54		-1		68		in	2017		36		in	1981
Minimum Dew Point		40		46		43		-3		57		in	2011		27		in	1981
Average  Dew Point		47		50		49		-2		61		in	2011		32		in	1981
Month Avg Max Dew Point		51.2		51.5		51.2		+0.1		56.9		in	2004		41.8		in	1966
Month Avg Min Dew Point		37.2		40.3		39.7		-2.5		46.5		in	1953		29.8		in	1966
Month Average Dew Point		44.5		46.2		45.4		-0.9		50.5		in	1998		35.8		in	1966
Precipitation		.00		.30		.10		-.10		1.56		in	1901
One Hour Rain		.00		.10						.89		in	2011
Hourly Rain Rate		.00		.19						5.76		in	2011
Month Precipitation		.67		1.75		2.11		-1.44		6.87		in	2006		.09		in	2001
Year Precipitation		17.90		18.15		17.84		+.06		33.69		in	1983		10.75		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 19, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		90%		98%		92%		-2%		100%		in	2018		66%		in	1955
Minimum Humidity		62%		67%		57%		+5%		95%		in	2015		23%		in	2003
Average Humidity		76%		83%		75%		+1%		98%		in	2015		48%		in	1955
Maximum Barometer		30.41		29.90		30.08		+00.33		30.57		in	1983		29.49		in	1976
Minimum Barometer		30.28		29.70		29.87		+00.41		30.30		in	2009		29.22		in	1976
Average Barometer		30.35		29.80		29.97		+00.37		30.42		in	1983		29.36		in	1976
Average Wind		8.3		3.8		7.1		+1.2		15.2		in	1988		2.4		in	1989
Direction		S		SSE		NE				NNE					SSE
High Wind Gust		24		18		24		-0		44		in	1964		12		in	1996
Direction		SSW		S		NE				SW					SSE
Maximum Water Temp		56.8		55.9		55.9		+0.9		60.9		in	2017		49.8		in	2020
Minimum Water Temp		55.2		53.8		52.7		+2.5		57.2		in	2013		45.7		in	2020
Average Water Temp		56.0		54.9		54.3		+1.7		58.7		in	1998		47.8		in	2020
Sunrise/ AM Twilight		5:22:16 AM						4:49:17 AM
Sunset / PM Twilight		8:01:22 PM						8:34:18 PM
Length Of Day		14:39:06
Special Conditions		None
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