Portsmouth Rhode Island Weather Almanac
Tuesday, May 28, 2024
Cloudy, Light Rain, Thunderstorm and Fog early then Partly Cloudy, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 28, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		76		74		69		+7		88		in	1991		53		in	1917
Minimum Temperature		61		53		52		+9		62		in	1991		41		in	1994
Average Temperature		69		64		61		+8		75		in	1991		49		in	1907
Month Avg Max Temperature		65.0		66.4		64.5		+0.5		70.7		in	1991		57.1		in	2005
Month Avg Min Temperature		50.3		47.7		48.1		+2.2		52.0		in	2012		41.6		in	1967
Month Average Temperature		57.9		57.3		56.3		+1.6		59.8		in	1991		50.3		in	1967
High Heat Index		78								92		in	1991
Low Wind Chill															38		in	1994
Heating Degree Days		0		1		4		-4		16		in	1907		0		in	2024
Month Heating DD		206		220		243		-37		413		in	1967		157		in	1918
Season Heating DD		4937		4699		5447		-510		6518		in	1905		4475		in	2012
Cooling Degree Days		4		0		1		+3		10		in	1991		0		in	2023
Month Cooling DD		8		4		8		+0		32		in	1991		0		in	2013
Year Cooling DD		8		4		8		+0		32		in	1991		0		in	2013
Maximum Dew Point		69		55		58		+11		69		in	2024		42		in	1964
Minimum Dew Point		58		44		47		+11		61		in	2012		29		in	1980
Average  Dew Point		64		50		52		+12		65		in	2012		37		in	1964
Month Avg Max Dew Point		57.1		52.3		52.8		+4.4		57.6		in	2004		42.2		in	1967
Month Avg Min Dew Point		47.2		39.3		41.5		+5.7		48.0		in	2012		31.1		in	1967
Month Average Dew Point		52.4		46.1		47.1		+5.3		52.7		in	2012		36.6		in	1967
Precipitation		.11		.00		.10		+.01		2.48		in	1917
One Hour Rain		.10		.00						.42		in	1959
Half Hour Rain		.05		.00						.23		in	2022
Hourly Rain Rate		.24		.00						6.19		in	2022
Month Precipitation		6.16		3.44		3.01		+3.15		8.33		in	1967		.35		in	2015
Year Precipitation		29.08		20.67		18.87		+10.21		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 28, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		80%		90%		+9%		100%		in	2011		58%		in	1952
Minimum Humidity		68%		43%		55%		+13%		93%		in	2004		23%		in	1980
Average Humidity		84%		62%		73%		+11%		97%		in	2004		45%		in	1952
Maximum Barometer		29.79		30.24		30.07		-00.28		30.56		in	1997		29.68		in	1951
Minimum Barometer		29.67		29.96		29.85		-00.18		30.26		in	1995		29.43		in	1986
Average Barometer		29.73		30.10		29.96		-00.23		30.37		in	1997		29.60		in	1977
Average Wind		8.6		6.8		6.0		+2.6		11.5		in	1954		1.7		in	1967
Direction		SSW		SSW		SSW				SW					N
High Wind Gust		28		25		21		+7		36		in	1954		11		in	1950
Direction		SSE		SSW		SSE				SW					S
Maximum Water Temp		61.9		64.0		59.4		+2.5		67.1		in	2007		54.3		in	2020
Minimum Water Temp		57.6		62.1		55.6		+2.0		62.6		in	2007		50.1		in	2008
Average Water Temp		59.8		63.1		57.5		+2.3		64.9		in	2007		52.5		in	2020
Sunrise/ AM Twilight		5:15:13 AM						4:42:14 AM
Sunset / PM Twilight		8:10:05 PM						8:43:07 PM
Length Of Day		14:54:52
Special Conditions		Dense Fog, Thunderstorm
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