Portsmouth Rhode Island Weather Almanac
Saturday, May 25, 2024
Clear to Partly Cloudy PM, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 25, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		72		67		68		+4		90		in	2007		46		in	1925
Minimum Temperature		55		50		51		+4		60		in	2007		34		in	1956
Average Temperature		64		59		60		+4		75		in	2007		44		in	1925
Month Avg Max Temperature		64.2		65.6		64.0		+0.2		69.2		in	1991		56.4		in	2005
Month Avg Min Temperature		49.2		47.4		47.6		+1.6		50.9		in	2012		41.3		in	1956
Month Average Temperature		57.0		56.7		55.8		+1.1		59.3		in	1993		50.1		in	2005
High Heat Index										91		in	2007
Low Wind Chill				44											30		in	1956
Heating Degree Days		1		6		5		-4		21		in	1925		0		in	2016
Month Heating DD		205		211		229		-24		373		in	2005		144		in	1993
Season Heating DD		4936		4690		5433		-497		6509		in	1905		4475		in	2012
Cooling Degree Days		0		0		1		-1		10		in	2007		0		in	2024
Month Cooling DD		4		4		5		-1		27		in	2001		0		in	2020
Year Cooling DD		4		4		5		-1		27		in	2001		0		in	2020
Maximum Dew Point		56		51		56		+0		68		in	2010		35		in	1956
Minimum Dew Point		49		42		46		+3		58		in	1979		27		in	1972
Average  Dew Point		53		47		51		+2		62		in	2010		32		in	1956
Month Avg Max Dew Point		56.0		52.1		52.2		+3.8		57.6		in	2004		42.0		in	1967
Month Avg Min Dew Point		45.9		39.0		40.9		+5.0		46.5		in	2012		30.6		in	1967
Month Average Dew Point		51.2		45.8		46.6		+4.6		51.3		in	2012		36.3		in	1967
Precipitation		.00		.00		.10		-.10		2.85		in	1967
One Hour Rain		.00		.00						.67		in	1978
Half Hour Rain		.00		.00						.42		in	2017
Hourly Rain Rate		.00		.00						5.65		in	2017
Month Precipitation		5.71		3.44		2.71		+3.00		6.96		in	2006		.35		in	2015
Year Precipitation		28.63		20.67		18.57		+10.06		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 25, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		94%		93%		90%		+4%		100%		in	2017		57%		in	1957
Minimum Humidity		51%		42%		56%		-5%		94%		in	1979		24%		in	1981
Average Humidity		73%		68%		73%		-1%		97%		in	1979		41%		in	1957
Maximum Barometer		29.92		30.19		30.04		-00.12		30.52		in	1956		29.62		in	1980
Minimum Barometer		29.82		29.97		29.82		-00.00		30.34		in	2022		29.42		in	1980
Average Barometer		29.87		30.08		29.93		-00.06		30.38		in	2022		29.52		in	1980
Average Wind		5.9		9.2		7.3		-1.4		22.4		in	1967		2.0		in	1997
Direction		S		N		SSW				N					SSE
High Wind Gust		19		27		24		-5		48		in	1967		12		in	1997
Direction		S		N		SSW				NNE					SSE
Maximum Water Temp		60.3		59.4		57.6		+2.7		64.0		in	2007		49.9		in	2005
Minimum Water Temp		56.5		57.0		54.1		+2.4		59.2		in	2010		46.9		in	2020
Average Water Temp		58.4		58.2		55.9		+2.5		60.5		in	2007		48.7		in	2020
Sunrise/ AM Twilight		5:17:04 AM						4:44:17 AM
Sunset / PM Twilight		8:07:34 PM						8:40:20 PM
Length Of Day		14:50:30
Special Conditions		None
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