Portsmouth Rhode Island Weather Almanac
Friday, February 18, 2022
Cloudy, Heavy Rain/Fog and Very Warm early, Partly Cloudy Day to Clear & Colder PM, Very Windy
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		February 18, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		56		30		40		+16		56		in	2022		15		in	1958
Minimum Temperature		24		24		25		-1		40		in	2008		-3		in	1979
Average Temperature		40		27		33		+7		48		in	2008		7		in	1958
Month Avg Max Temperature		42.4		36.1		38.6		+3.8		44.3		in	1990		22.1		in	1979
Month Avg Min Temperature		25.5		25.3		24.3		+1.2		30.7		in	2020		7.4		in	1979
Month Average Temperature		34.0		30.7		31.9		+2.0		37.1		in	2020		14.8		in	1979
High Heat Index
Low Wind Chill		13		17		13		+1							-22		in	1958
Heating Degree Days		25		38		32		-7		58		in	1958		17		in	2008
Month HDD		554		614		595		-41		901		in	1979		495		in	2020
Season HDD		3251		3275		3514		-263		4477		in	1918		2895		in	2016
Cooling Degree Days		0		0		0		+0				in					in
Month CDD		0		0		0		+0		0		in					in
Year Cooling Degree Days												in					in
Maximum Dew Point		56		28		31		+25		56		in	2022		-1		in	1979
Minimum Dew Point		12		4		14		-2		40		in	2008		-21		in	1979
Average  Dew Point		34		16		23		+11		47		in	2008		-11		in	1979
Month Avg Max Dew Point		37.2		29.8		29.4		+7.7		38.7		in	2018		2.7		in	1979
Month Avg Min Dew Point		17.2		15.7		12.9		+4.3		22.6		in	2020		-9.0		in	1979
Month Average Dew Point		27.2		22.8		23.0		+4.2		29.6		in	2020		-3.1		in	1979
Precipitation		.67		.23		.13		+.54		2.94		in	1998
One Hour		.23		.00						1.02		in	1998
Hourly Rate		2.80		.00						2.80		in	2022
Month Precipitation		3.94		2.02		2.13		+1.81		5.93		in	1988		.07		in	1912
Year Precipitation		5.90		3.98		5.80		+.10		12.38		in	1979		2.33		in	1980
Snow		0.0		4.2		0.4		-0.4		12.0		in	1893				in
Snow Depth		0		0						24		in	2015				in
Month Snow		7.5		14.7		6.4		+1.1		26.4		in	2003		0.0		in	2020
Season Snow		32.2		26.4		23.5		+8.7		61.1		in	1996		3.5		in	1989
		February 18, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		94%		84%		+15%		100%		in	2018		45%		in	1987
Minimum Humidity		48%		36%		51%		-3%		95%		in	1998		23%		in	2006
Average Humidity		74%		65%		67%		+6%		98%		in	1998		36%		in	1987
Maximum Barometer		30.05		30.51		30.17		-00.12		30.89		in	1979		29.45		in	1958
Minimum Barometer		29.33		30.24		29.81		-00.48		30.57		in	1979		29.14		in	1952
Average Barometer		29.69		30.38		29.99		-00.30		30.73		in	1979		29.40		in	1958
Average Wind		15.9		6.5		8.6		+7.3		19.3		in	1952		2.0		in	1995
Direction		NW		NE		NW				NNE					SSE
High Wind Gust		48		20		27		+21		52		in	1900		10		in	1995
Direction		SSW		NNE		NW				N					SW
Maximum Water Temp		43.3		37.4		37.9		+5.4		43.8		in	2012		32.7		in	2015
Minimum Water Temp		41.2		36.0		35.9		+5.3		41.9		in	2012		31.3		in	2007
Average Water Temp		42.3		36.7		36.9		+5.3		42.9		in	2012		32.4		in	2015
Sunrise/ AM Twilight		6:36:02 AM						6:06:18 AM
Sunset / PM Twilight		5:22:25 PM						5:51:46 PM
Length Of Day		10:49:16
Special Conditions		Fog
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