Portsmouth Rhode Island Weather Almanac
Friday, January 17, 2020
Partly Cloudy early then Clear, Windy and Much Colder
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		January 17, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		31		31		37		-6		58		in	1995		18		in	1971
Minimum Temperature		16		21		22		-6		41		in	1995		-5		in	1982
Average Temperature		24		26		30		-6		50		in	1995		11		in	1971
Precipitation		.00		.00		.12		-.12		2.08		in	1909
One Hour		.00		.00						.31		in	1950
Snow		0.0		0.0		0.3		-0.3		9.6		in	1956
Snow Depth		0		0						13		in	1912
HDD		41		39		35		+6		54		in	1971		15		in	1995
CDD		0				0		+0		0		in
Maximum Dew Point		15		18		28		-13		56		in	1995		-3		in	1971
Minimum Dew Point		-4		-3		11		-15		38		in	1995		-21		in	1982
Average  Dew Point		6		8		20		-14		47		in	1995		-9		in	1971
Maximum Humidity		57%		67%		82%		-25%		100%		in	2018		52%		in	1972
Minimum Humidity		31%		24%		50%		-19%		91%		in	1996		24%		in	2019
Average Humidity		44%		46%		66%		-22%		96%		in	1996		43%		in	2007
Maximum Barometer		30.61		30.42		30.16		+00.45		30.76		in	2007		29.33		in	1958
Minimum Barometer		30.05		30.16		29.84		+00.21		30.29		in	2009		29.08		in	1959
Average Barometer		30.33		30.29		30.00		+00.33		30.49		in	2007		29.26		in	1958
Average Wind		15.3		7.7		8.7		+6.6		24.3		in	2000		3.0		in	1978
Direction		N		NNW		WNW				NW					ENE
High Wind Gust		42		21		27		+15		50		in	2000		12		in	1978
Direction		NNE		NW		WNW				WNW					ENE
Wind Chill		2		11		8		-6							-30		in	1982
Maximum Water Temp		39.2		39.0		40.1		-0.9		45.3		in	2007		35.8		in	2009
Minimum Water Temp		37.7		34.7		37.8		-0.1		46.9		in	2006		31.7		in	2004
Average Water Temp		38.5		36.9		38.8		-0.4		44.5		in	2006		35.2		in	2004
Sunrise/ AM Twilight		7:07:53 AM						6:37:38 AM
Sunset / PM Twilight		4:43:12 PM						5:13:26 PM
Length Of Day		9:35:19
Special Conditions		None
Comments		Day high temperature 25°
		January 17, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		44.4		38.6		38.1		+6.3		46.9		in	2007		24.5		in	1981
Avg Minimum Temperature		32.4		25.3		23.6		+8.8		34.5		in	2007		8.1		in	1981
Average Temperature		38.4		32.0		30.5		+7.8		40.7		in	2007		16.3		in	1981
Total Precipitation		.82		1.74		2.04		-1.22		7.01		in	1979		.12		in	1984
Total Snow		1.5		T		4.2		-2.7		25.8		in	1996		0.0		in	2007
Total HDD		449		559		576		-127		823		in	1981		411		in	2007
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		38.1		30.2		29.2		+8.9		41.6		in	2007		11.7		in	1981
Avg Minimum Dew Point		23.8		14.0		12.7		+11.1		24.6		in	2007		-7.3		in	1981
Average  Dew Point		30.9		22.1		21.0		+10.0		33.1		in	2007		2.2		in	1981
		January 17, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		.82		1.74		2.04		-1.22		7.01		in	1979		.12		in	1984
Total Snow (since Jul 1 19)		9.9		4.4		12.8		-2.9		41.6		in	1996		0.2		in	1914
Total HDD (since Jul 1 19)		2329		2488		2527		-198		3165		in	1918		1832		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For January 17, 2020
Climate Weather for January 17
Weather History For January 17
Weather Calendar
Back To Weather Stat Page
Home