Portsmouth Rhode Island Weather Almanac
Tuesday, February 13, 2024
Cloudy, Moderate/Heavy Snow and Fog to Mostly Cloudy PM, Windy and Colder
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		February 13, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		37		38		39		-2		55		in	1951		13		in	1979
Minimum Temperature		30		18		25		+5		39		in	1937		-2		in	1917
Average Temperature		34		28		32		+2		46		in	1951		8		in	1979
Month Avg Max Temperature		42.5		42.7		38.2		+4.2		45.2		in	1991		22.9		in	1899
Month Avg Min Temperature		30.4		24.3		24.1		+6.3		33.5		in	2020		8.8		in	1934
Month Average Temperature		36.6		33.8		31.5		+5.1		39.3		in	2020		17.0		in	1979
High Heat Index										#N/A		in	#N/A
Low Wind Chill		20		29		8		+12							-23		in	2016
Heating Degree Days		31		24		33		-2		57		in	1979		19		in	1951
Month Heating DD		369		406		435		-66		624		in	1979		334		in	2020
Season Heating DD		3036		2900		3354		-318		4306		in	1918		2713		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		32		38		30		+2		51		in	2008		-7		in	1979
Minimum Dew Point		27		30		13		+14		33		in	1951		-21		in	1967
Average  Dew Point		30		34		22		+8		40		in	1971		-11		in	1954
Month Avg Max Dew Point		33.3		33.5		29.1		+4.2		38.2		in	2020		6.1		in	1979
Month Avg Min Dew Point		24.2		12.8		12.5		+11.8		26.6		in	2020		-5.4		in	1979
Month Average Dew Point		29.1		23.3		22.0		+7.1		32.4		in	2020		0.3		in	1979
Precipitation		.68		.12		.12		+.56		1.96		in	2008
One Hour Rain		.00		.04						.44		in	2008
Half Hour Rain		.00		.03						.23		in	2008
Hourly Rain Rate		.00		.06						1.35		in	2008
Month Precipitation		.71		.20		1.52		-.81		4.98		in	1970		T		in	1912
Year Precipitation		7.46		7.39		5.19		+2.27		12.38		in	1979		1.28		in	2007
Snow		5.5		0.0		0.4		+5.1		10.4		in	1894
Snow Depth		0		0		2		-2		26		in	1978
Month Snow		5.5		T		4.4		+1.1		26.3		in	1978		0.0		in	2020
Season Snow		12.1		2.3		21.5		-9.4		54.3		in	1894		2.3		in	2023
		February 13, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		91%		81%		+18%		100%		in	2008		42%		in	1952
Minimum Humidity		72%		66%		49%		+23%		93%		in	1984		21%		in	2007
Average Humidity		86%		79%		65%		+21%		96%		in	2008		38%		in	2007
Maximum Barometer		29.76		29.79		30.11		-00.35		31.02		in	1981		29.45		in	1993
Minimum Barometer		29.33		29.55		29.74		-00.41		30.81		in	1981		28.97		in	2014
Average Barometer		29.55		29.67		29.93		-00.38		30.92		in	1981		29.28		in	1993
Average Wind		12.7		9.7		8.6		+4.1		18.5		in	1988		2.2		in	1983
Direction		NNE		NNE		WNW				W					S
High Wind Gust		39		31		27		+12		59		in	1899		13		in	1978
Direction		NNE		N		WNW				N					WNW
Maximum Water Temp		42.3		42.6		38.4		+3.9		42.6		in	2023		34.0		in	2015
Minimum Water Temp		40.3		40.8		36.3		+4.0		40.8		in	2023		31.9		in	2003
Average Water Temp		41.3		41.7		37.3		+4.0		41.7		in	2023		33.0		in	2015
Sunrise/ AM Twilight		6:43:26 AM						6:12:55 AM
Sunset / PM Twilight		5:15:35 PM						5:45:51 PM
Length Of Day		10:32:09
Special Conditions		Dense Fog
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