Portsmouth Rhode Island Weather Almanac
Sunday, December 8, 2019
Clear and Cold Morning, Partly Cloudy Day to Mostly Cloudy and Warmer PM
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		December 8, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		45		31		44		+1		62		in	1951		16		in	1906
Minimum Temperature		18		21		31		-13		49		in	1974		4		in	1906
Average Temperature		32		26		38		-6		54		in	1951		10		in	1906
Precipitation		.00		.00		.15		-.15		1.01		in	1950
One Hour		.00		.00						.32		in	1996
Snow		0.0		0.0		0.2		-.15		2.3		in	2000
Snow Depth		0		0						14		in	1981
HDD		33		39		28		+5		55		in	1906		11		in	1951
CDD		0		0		0		+0		0		in
Maximum Dew Point		38		18		36		+2		59		in	1951		-2		in	1989
Minimum Dew Point		15		4		21		-6		46		in	1974		-6		in	1989
Average  Dew Point		27		11		29		-2		49		in	1974		-4		in	1989
Maximum Humidity		87%		69%		82%		+5%		100%		in	2012		43%		in	1989
Minimum Humidity		63%		31%		53%		+10%		93%		in	2012		24%		in	1979
Average Humidity		75%		50%		68%		+7%		97%		in	2012		37%		in	1989
Maximum Barometer		30.56		30.50		30.21		+00.35		30.69		in	2014		29.46		in	1981
Minimum Barometer		30.36		30.18		29.88		+00.48		30.42		in	2013		29.20		in	2011
Average Barometer		30.46		30.34		30.04		+00.42		30.55		in	2014		29.40		in	1981
Average Wind		5.8		10.4		7.7		-1.9		16.8		in	1961		1.3		in	1967
Direction		SSW		NW		NW				NW					SSE
High Wind Gust		18		26		25		-7		54		in	1979		10		in	1967
Direction		S		NW		NW				WNW					E
Wind Chill		14		10		20		-6							1		in	2008
Maximum Water Temp		43.2		45.5		47.2		-4.0		53.5		in	2011		43.0		in	2007
Minimum Water Temp		40.1		39.7		44.3		-4.2		51.1		in	2011		39.4		in	2000
Average Water Temp		41.7		42.6		45.8		-4.1		52.3		in	2011		41.7		in	2019
Sunrise/ AM Twilight		6:59:38 AM						6:28:33 AM
Sunset / PM Twilight		4:15:24 PM						4:46:28 PM
Length Of Day		9:15:46
Special Conditions		None
Comments
		December 8, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		40.5		43.5		45.6		-5.1		57.9		in	1998		32.9		in	1954
Avg Minimum Temperature		26.4		29.9		32.0		-5.6		44.3		in	1998		15.0		in	1989
Average Temperature		33.4		36.7		38.9		-5.4		51.1		in	1998		25.4		in	1989
Total Precipitation		.79		1.15		1.20		-.41		4.37		in	1996		.00		in	1988
Total Snow		4.2		T		1.5		+2.7		17.0		in	1981		0.0		in	2017
Total HDD		250		224		209		+41		315		in	1989		110		in	1998
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		34.0		34.6		37.6		-3.6		49.1		in	1982		20.9		in	1989
Avg Minimum Dew Point		18.4		20.0		22.8		-4.4		36.3		in	2001		-3.3		in	1989
Average  Dew Point		26.2		27.3		30.2		-4.0		42.4		in	2001		8.8		in	1989
		December 8, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		50.29		50.38		45.05		+5.24		61.79		in	1983		24.39		in	1957
Total Snow (since Jul 1 19)		4.2		4.2		2.6		+1.6		19.5		in	1898		0.0		in	2017
Total HDD (since Jul 1 19)		1240		1284		1241		-1		1603		in	1904		924		in	2011
Total CDD (since Jan 1)		731		775		563		+168		807		in	2016		290		in	1902
Hour-by-Hour Weather For December 8, 2019
Climate Weather for December 8
Weather History For December 8
Weather Calendar
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