Portsmouth Rhode Island Weather Almanac
Tuesday, February 27, 2024
Dense Fog early, Partly Cloudy Day to Mostly Cloudy, Heavy Rain Late, Windy and Very Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		February 27, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		54		38		41		+13		64		in	1976		17		in	1950
Minimum Temperature		36		27		27		+9		43		in	1997		2		in	1990
Average Temperature		45		33		34		+11		52		in	1976		10		in	1950
Month Avg Max Temperature		40.7		44.1		39.3		+1.4		45.2		in	2018		27.5		in	1979
Month Avg Min Temperature		27.6		27.4		24.9		+2.7		30.9		in	2020		10.7		in	1934
Month Average Temperature		34.3		36.0		32.6		+1.8		38.1		in	2018		19.4		in	1934
High Heat Index										#N/A		in	#N/A
Low Wind Chill		32		18		13		+19							-19		in	1990
Heating Degree Days		20		32		31		-11		55		in	1950		13		in	1976
Month Heating DD		828		782		876		-48		1230		in	1934		726		in	2018
Season Heating DD		3495		3276		3795		-300		4788		in	1918		3129		in	2016
Cooling Degree Days		0		0		0		+0				in			0		in	Many
Month Cooling DD		0		0		0		+0		3		in	2022		0		in	Many
Year Cooling DD		726		784		609		+117		871		in	2020		290		in	1902
Maximum Dew Point		49		26		32		+17		54		in	1957		-6		in	1950
Minimum Dew Point		36		14		16		+20		42		in	2000		-12		in	2006
Average  Dew Point		43		20		24		+19		46		in	2000		-9		in	1950
Month Avg Max Dew Point		32.4		35.7		30.1		+2.3		40.4		in	2018		13.0		in	1979
Month Avg Min Dew Point		19.6		17.7		13.7		+5.9		22.9		in	2018		0.9		in	1968
Month Average Dew Point		26.2		26.9		24.0		+2.2		31.7		in	2018		7.1		in	1979
Precipitation		.32		.07		.13		+.19		1.25		in	1912
One Hour Rain		.23		.00						.30		in	2020
Half Hour Rain		.12		.00						.15		in	2020
Hourly Rain Rate		.65		.00						.73		in	2020
Month Precipitation		1.43		1.50		3.30		-1.87		6.78		in	1998		.66		in	1947
Year Precipitation		8.18		8.69		6.97		+1.21		17.40		in	1979		2.65		in	1980
Snow		0.0		0.9		0.3		-0.3		5.4		in	1952
Snow Depth		0		0		1		-1		18		in	2015
Month Snow		6.1		1.3		9.9		-3.8		30.4		in	1994		0.0		in	2020
Season Snow		12.7		3.6		27.0		-14.3		62.2		in	1894		3.6		in	2023
		February 27, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		95%		83%		+16%		100%		in	2013		51%		in	1986
Minimum Humidity		76%		40%		49%		+27%		93%		in	2000		13%		in	2004
Average Humidity		88%		68%		66%		+22%		97%		in	2000		33%		in	2004
Maximum Barometer		30.13		30.02		30.11		+00.02		30.75		in	1990		29.49		in	1953
Minimum Barometer		29.97		29.80		29.80		+00.17		30.30		in	1982		29.19		in	2008
Average Barometer		30.05		29.91		29.95		+00.10		30.46		in	1990		29.39		in	1953
Average Wind		9.1		6.9		8.3		+0.8		15.9		in	1957		0.8		in	2007
Direction		S		N		WNW				S					NNE
High Wind Gust		32		18		27		+5		51		in	1957		7		in	2007
Direction		SSW		NW		NW				S					W
Maximum Water Temp		42.1		41.5		38.8		+3.3		43.4		in	2012		32.0		in	2015
Minimum Water Temp		40.1		39.7		37.0		+3.1		40.7		in	2012		31.2		in	2015
Average Water Temp		41.1		40.6		37.9		+3.2		42.1		in	2012		31.6		in	2015
Sunrise/ AM Twilight		6:23:29 AM						5:53:14 AM
Sunset / PM Twilight		5:32:43 PM						6:02:13 PM
Length Of Day		11:09:14
Special Conditions		Dense Fog
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