Portsmouth Rhode Island Weather Almanac
Wednesday, May 29, 2024
Clear to Partly Cloudy PM, Continued Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 29, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		74		69		69		+5		90		in	1931		48		in	2021
Minimum Temperature		59		47		52		+7		64		in	2016		40		in	1900
Average Temperature		67		58		61		+6		75		in	1931		46		in	2021
Month Avg Max Temperature		65.3		66.5		64.7		+0.7		71.2		in	1991		57.4		in	1917
Month Avg Min Temperature		50.6		47.7		48.2		+2.4		52.2		in	2012		41.8		in	1967
Month Average Temperature		58.2		57.3		56.5		+1.8		60.2		in	1991		50.3		in	1967
High Heat Index										89		in	1931
Low Wind Chill															36		in	2021
Heating Degree Days		0		7		4		-4		19		in	2021		0		in	2024
Month Heating DD		206		227		247		-41		426		in	1967		164		in	1918
Season Heating DD		4937		4706		5451		-514		6518		in	1905		4475		in	2012
Cooling Degree Days		2		0		1		+1		10		in	1931		0		in	2023
Month Cooling DD		10		4		9		+1		41		in	1991		0		in	2013
Year Cooling DD		10		4		9		+1		41		in	1991		0		in	2013
Maximum Dew Point		61		52		58		+3		70		in	2018		40		in	1964
Minimum Dew Point		56		42		47		+9		62		in	2011		31		in	2004
Average  Dew Point		59		47		53		+6		65		in	2012		38		in	1964
Month Avg Max Dew Point		57.3		52.3		52.9		+4.3		57.6		in	2004		42.2		in	1967
Month Avg Min Dew Point		47.5		39.4		41.7		+5.8		48.4		in	2012		31.3		in	1967
Month Average Dew Point		52.6		46.2		47.3		+5.3		53.1		in	2012		36.7		in	1967
Precipitation		.00		.00		.10		-.10		1.74		in	2021
One Hour Rain		.00		.00						.47		in	1982
Half Hour Rain		.00		.00						.25		in	2005
Hourly Rain Rate		.00		.00						2.45		in	2013
Month Precipitation		6.16		3.44		3.11		+3.05		9.19		in	1948		.35		in	2015
Year Precipitation		29.08		20.67		18.97		+10.11		35.09		in	1983		11.43		in	1905
Snow		0.0		0.0		0.0		+0.0				in
Snow Depth		0		0		0		+0				in
Month Snow		0.0		0.0		0.0		+0.0		1.7		in	1977		0.0		in	Many
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		May 29, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		92%		89%		91%		+1%		100%		in	2011		60%		in	1975
Minimum Humidity		60%		40%		58%		+2%		93%		in	2020		28%		in	1989
Average Humidity		76%		65%		74%		+2%		95%		in	2020		47%		in	1975
Maximum Barometer		29.91		30.20		30.06		-00.15		30.57		in	1970		29.67		in	2003
Minimum Barometer		29.79		29.91		29.85		-00.06		30.40		in	1970		29.44		in	1990
Average Barometer		29.85		30.06		29.96		-00.11		30.49		in	1970		29.60		in	1969
Average Wind		6.1		9.5		6.3		-0.2		12.3		in	1968		2.0		in	1996
Direction		S		NE		SSW				SE					ESE
High Wind Gust		18		28		22		-4		37		in	1984		10		in	2009
Direction		NW		NE		SSW				S					SE
Maximum Water Temp		63.3		62.8		59.8		+3.5		67.8		in	2007		53.6		in	2020
Minimum Water Temp		58.8		57.7		55.9		+2.9		61.3		in	2012		50.9		in	2005
Average Water Temp		61.1		60.3		57.9		+3.2		63.8		in	2012		52.8		in	2020
Sunrise/ AM Twilight		5:14:40 AM						4:41:37 AM
Sunset / PM Twilight		8:10:54 PM						8:44:00 PM
Length Of Day		14:56:14
Special Conditions		None
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