Portsmouth Rhode Island Weather Almanac
Sunday, May 26, 2024
Mostly Cloudy to Dense Fog PM, Warm and Humid
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 26, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		72		71		68		+4		91		in	2010		45		in	1967
Minimum Temperature		56		46		51		+5		65		in	2007		37		in	1972
Average Temperature		64		59		60		+4		76		in	2010		43		in	1967
Month Avg Max Temperature		64.5		65.8		64.2		+0.3		69.7		in	1991		56.3		in	2005
Month Avg Min Temperature		49.5		47.3		47.8		+1.7		51.3		in	2012		41.3		in	1956
Month Average Temperature		57.2		56.8		56.0		+1.2		59.3		in	1993		50.1		in	2005
High Heat Index										99		in	2010
Low Wind Chill															35		in	1972
Heating Degree Days		1		6		5		-4		22		in	1967		0		in	2020
Month Heating DD		206		217		234		-28		388		in	2005		148		in	1993
Season Heating DD		4937		4696		5438		-501		6514		in	1905		4475		in	2012
Cooling Degree Days		0		0		1		-1		11		in	2010		0		in	2024
Month Cooling DD		4		4		6		-2		27		in	2001		0		in	2014
Year Cooling DD		4		4		6		-2		27		in	2001		0		in	2014
Maximum Dew Point		66		50		57		+9		72		in	2010		38		in	1992
Minimum Dew Point		56		37		46		+10		61		in	2012		29		in	1954
Average  Dew Point		61		44		52		+9		65		in	2012		35		in	1980
Month Avg Max Dew Point		56.3		52.0		52.4		+4.0		57.4		in	2004		42.0		in	1967
Month Avg Min Dew Point		46.3		38.9		41.1		+5.2		47.0		in	2012		30.8		in	1967
Month Average Dew Point		51.5		45.8		46.8		+4.8		51.8		in	2012		36.4		in	1967
Precipitation		.00		.00		.10		-.10		2.04		in	1967
One Hour Rain		.00		.00						.34		in	1961
Half Hour Rain		.00		.00						.08		in	2004
Hourly Rain Rate		.00		.00						.67		in	2017
Month Precipitation		5.71		3.44		2.81		+2.90		8.33		in	1967		.35		in	2015
Year Precipitation		28.63		20.67		18.67		+9.96		34.81		in	1983		11.34		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 26, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		95%		90%		+9%		100%		in	2017		51%		in	1980
Minimum Humidity		81%		29%		56%		+25%		88%		in	2011		24%		in	2007
Average Humidity		90%		62%		73%		+17%		94%		in	2011		43%		in	1980
Maximum Barometer		30.00		30.28		30.04		-00.04		30.52		in	1987		29.67		in	2005
Minimum Barometer		29.89		30.18		29.82		+00.07		30.30		in	1956		29.44		in	2017
Average Barometer		29.95		30.23		29.93		+00.01		30.37		in	1972		29.59		in	2017
Average Wind		5.8		5.5		6.8		-1.0		15.6		in	1967		2.1		in	2006
Direction		S		NW		SSW				N					SE
High Wind Gust		19		19		23		-4		42		in	1984		11		in	1976
Direction		S		NW		SSW				SSW					N
Maximum Water Temp		59.9		60.8		58.5		+1.4		68.0		in	2007		50.4		in	2005
Minimum Water Temp		57.4		58.6		55.1		+2.3		59.5		in	2010		49.1		in	2005
Average Water Temp		58.7		59.7		56.8		+1.9		63.7		in	2007		49.8		in	2005
Sunrise/ AM Twilight		5:16:25 AM						4:43:34 AM
Sunset / PM Twilight		8:08:25 PM						8:41:17 PM
Length Of Day		14:52:00
Special Conditions		Dense Fog
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