Portsmouth Rhode Island Weather Almanac
Monday, May 22, 2023
Clear, Morning Haze, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 22, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		66		80		67		-1		90		in	1992		49		in	1909
Minimum Temperature		46		60		50		-4		61		in	1911		39		in	1907
Average Temperature		56		70		59		-3		73		in	1992		47		in	1909
Month Avg Max Temperature		65.7		65.5		63.5		+2.2		69.0		in	1918		56.9		in	1917
Month Avg Min Temperature		47.6		49.5		47.2		+0.4		50.2		in	2012		41.6		in	1956
Month Average Temperature		56.9		57.7		55.4		+1.5		59.4		in	1930		49.9		in	1917
High Heat Index				83						87		in	1992
Low Wind Chill															37		in	2006
Heating Degree Days		9		0		6		+3		18		in	1909		0		in	2022
Month Heating DD		183		174		212		-29		332		in	1917		132		in	1918
Season Heating DD		4662		4956		5385		-723		6478		in	1905		4467		in	2012
Cooling Degree Days		0		5		0		-0		8		in	1992				in
Month Cooling DD		4		14		2		+2		27		in	2001		0		in	2020
Year Cooling DD		9		14		2		+7		27		in	2001		0		in	2020
Maximum Dew Point		52		70		55		-3		70		in	2022		41		in	1967
Minimum Dew Point		45		58		44		+1		59		in	2012		30		in	1950
Average  Dew Point		49		64		50		-1		64		in	2022		36		in	1967
Month Avg Max Dew Point		52.1		53.7		51.7		+0.5		57.5		in	2004		41.9		in	1967
Month Avg Min Dew Point		39.0		42.3		40.3		-1.3		46.6		in	1953		30.1		in	1967
Month Average Dew Point		45.9		48.3		46.0		-0.1		50.7		in	1953		36.0		in	1967
Precipitation		.00		.00		.10		-.10		1.17		in	1919
One Hour Rain		.00		.00						.22		in	2014
Hourly Rain Rate		.00		.00						1.44		in	2014
Month Precipitation		3.43		2.17		2.41		+1.02		6.96		in	2006		.25		in	1939
Year Precipitation		20.66		18.57		18.14		+2.52		34.36		in	1983		10.81		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 22, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		94%		96%		91%		+3%		100%		in	2017		66%		in	1998
Minimum Humidity		55%		69%		53%		+2%		93%		in	2012		22%		in	1992
Average Humidity		75%		83%		72%		+2%		97%		in	1986		46%		in	1978
Maximum Barometer		30.32		30.06		30.08		+00.24		30.62		in	1936		29.65		in	2008
Minimum Barometer		30.00		29.93		29.83		+00.17		30.25		in	2002		29.36		in	1948
Average Barometer		30.16		30.00		29.96		+00.20		30.31		in	2007		29.57		in	1973
Average Wind		7.4		6.5		6.8		+0.6		15.2		in	1956		1.7		in	1994
Direction		NE		S		SSW				SSW					S
High Wind Gust		24		24		23		+1		52		in	1956		11		in	1999
Direction		ENE		S		SW				SSW					SE
Maximum Water Temp		57.6		60.4		56.7		+0.9		64.4		in	2007		51.8		in	2005
Minimum Water Temp		55.4		55.2		53.4		+2.0		59.4		in	2007		46.0		in	2020
Average Water Temp		56.5		57.8		55.1		+1.4		61.9		in	2007		49.3		in	2020
Sunrise/ AM Twilight		5:19:47 AM						4:46:38 AM
Sunset / PM Twilight		8:04:11 PM						8:37:23 PM
Length Of Day		14:44:24
Special Conditions		Haze
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