Portsmouth Rhode Island Weather Almanac
Saturday, May 27, 2023
Clear, Fog early, Light Winds and Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 27, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		73		70		69		+4		84		in	1933		54		in	1983
Minimum Temperature		53		59		52		+1		64		in	1914		35		in	1972
Average Temperature		63		65		60		+3		74		in	1914		50		in	1974
Month Avg Max Temperature		66.1		65.9		64.3		+1.8		70.1		in	1991		56.6		in	2005
Month Avg Min Temperature		47.5		49.7		47.9		-0.4		51.6		in	2012		41.6		in	1967
Month Average Temperature		57.0		58.0		56.1		+0.9		59.4		in	2010		50.1		in	1967
High Heat Index										88		in	1914
Low Wind Chill															34		in	1972
Heating Degree Days		2		0		5		-3		15		in	1974		0		in	2022
Month Heating DD		219		202		239		-20		402		in	1967		154		in	1993
Season Heating DD		4698		4984		5412		-714		6518		in	1905		4475		in	2012
Cooling Degree Days		0		0		0		-0		9		in	1914				in
Month Cooling DD		4		14		7		-3		27		in	2001		0		in	2013
Year Cooling DD		9		14		7		+2		27		in	2001		0		in	2013
Maximum Dew Point		57		65		57		+0		69		in	2011		38		in	1968
Minimum Dew Point		46		58		47		-1		61		in	2012		26		in	1969
Average  Dew Point		52		62		52		+0		64		in	2012		33		in	1969
Month Avg Max Dew Point		52.2		54.6		52.6		-0.3		57.4		in	2004		42.0		in	1967
Month Avg Min Dew Point		39.1		43.1		41.3		-2.1		47.6		in	2012		31.0		in	1967
Month Average Dew Point		46.0		49.2		47.0		-1.0		52.3		in	2012		36.5		in	1967
Precipitation		.00		.09		.10		-.10		1.43		in	1901
One Hour Rain		.00		.04						.55		in	1951
Hourly Rain Rate		.00		.06						.94		in	2010
Month Precipitation		3.44		2.26		2.91		+.53		8.33		in	1967		.35		in	2015
Year Precipitation		20.67		18.66		18.64		+2.03		35.09		in	1983		11.43		in	1905
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 27, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		98%		91%		+8%		100%		in	2011		54%		in	1954
Minimum Humidity		42%		83%		53%		-11%		85%		in	1974		25%		in	1980
Average Humidity		71%		91%		72%		-2%		92%		in	2002		42%		in	1954
Maximum Barometer		30.32		30.13		30.06		+00.26		30.52		in	1987		29.65		in	1961
Minimum Barometer		30.24		29.85		29.84		+00.40		30.24		in	2023		29.44		in	1961
Average Barometer		30.28		29.99		29.95		+00.33		30.35		in	1972		29.55		in	1961
Average Wind		3.8		8.9		6.1		-2.3		16.7		in	1956		1.4		in	2006
Direction		SSW		SSW		SSW				SSW					S
High Wind Gust		18		25		22		-4		53		in	1956		13		in	2017
Direction		SSW		SSW		SSW				SSW					SW
Maximum Water Temp		63.5		60.3		58.9		+4.6		68.0		in	2007		52.7		in	2005
Minimum Water Temp		60.1		58.6		55.3		+4.8		60.1		in	2023		50.0		in	2005
Average Water Temp		61.8		59.5		57.1		+4.7		63.3		in	2007		51.4		in	2005
Sunrise/ AM Twilight		5:16:16 AM						4:42:53 AM
Sunset / PM Twilight		8:08:37 PM						8:42:13 PM
Length Of Day		14:52:21
Special Conditions		Dense Fog
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