Portsmouth Rhode Island Weather Almanac
Sunday, December 22, 2019
Partly Cloudy w/Afternoon Haze to Clear Evening, Light Winds and Warmer
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		December 22, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		44		54		40		+4		59		in	2013		17		in	1989
Minimum Temperature		29		36		26		+3		53		in	2015		4		in	1989
Average Temperature		37		45		33		+4		56		in	2015		11		in	1989
Precipitation		.00		.02		.13		-.13		1.49		in	1969
One Hour		.00		.01						.48		in	1984
Snow		0.0		0.0		0.1		-.13		3.3		in	1962
Snow Depth		0		0						19		in	2009
HDD		28		20		32		-4		54		in	1989		9		in	2015
CDD		0		0		0		+0		0		in
Maximum Dew Point		34		54		32		+2		57		in	2015		-5		in	1989
Minimum Dew Point		27		26		16		+11		50		in	2015		-12		in	1989
Average  Dew Point		31		40		24		+7		54		in	2015		-9		in	1989
Maximum Humidity		93%		100%		84%		+9%		100%		in	2018		52%		in	1989
Minimum Humidity		63%		67%		56%		+7%		93%		in	1990		20%		in	1988
Average Humidity		78%		84%		70%		+8%		97%		in	1990		42%		in	1971
Maximum Barometer		30.43		29.88		30.18		+00.25		30.72		in	1971		29.68		in	2012
Minimum Barometer		30.14		29.27		29.82		+00.32		30.47		in	2007		28.97		in	1969
Average Barometer		30.29		29.58		30.00		+00.29		30.56		in	1980		29.38		in	1969
Average Wind		4.8		14.5		8.5		-3.7		16.7		in	1952		1.8		in	1994
Direction		SW		WNW		WNW				N					SSW
High Wind Gust		20		35		27		-7		49		in	2012		10		in	1994
Direction		SSW		W		WNW				NNW					SSW
Wind Chill		26		27		17		+9							-16		in	1989
Maximum Water Temp		40.4		45.0		44.4		-4.0		50.7		in	2011		40.4		in	2019
Minimum Water Temp		37.3		43.0		42.0		-4.7		49.5		in	2011		37.3		in	2019
Average Water Temp		38.9		44.0		43.2		-4.4		50.1		in	2011		38.9		in	2019
Sunrise/ AM Twilight		7:09:02 AM						6:37:42 AM
Sunset / PM Twilight		4:19:28 PM						4:50:47 PM
Length Of Day		9:10:26
Special Conditions		Fog, Thick Haze
Comments
		December 22, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		41.1		43.4		43.2		-2.1		53.5		in	2015		31.8		in	1904
Avg Minimum Temperature		27.9		30.3		29.5		-1.6		41.3		in	2015		15.5		in	1989
Average Temperature		34.5		36.8		36.3		-1.8		47.4		in	2015		23.8		in	1989
Total Precipitation		5.28		2.63		3.18		+2.10		9.27		in	1936		.37		in	1998
Total Snow		8.4		T		4.9		+3.5		21.3		in	1981		0.0		in	2015
Total HDD		663		613		625		+38		903		in	1989		380		in	2015
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		35.2		36.0		35.2		-0.1		48.2		in	2015		16.7		in	1989
Avg Minimum Dew Point		20.3		21.1		20.0		+0.4		35.8		in	2015		-1.0		in	1989
Average  Dew Point		27.8		28.6		27.6		+0.2		42.0		in	2015		7.9		in	1989
		December 22, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		54.78		51.86		47.03		+7.75		65.09		in	1983		27.14		in	1965
Total Snow (since Jul 1 19)		8.4		4.2		6.0		+2.4		21.3		in	1898		0.0		in	2015
Total HDD (since Jul 1 19)		1653		1673		1657		-4		2176		in	1904		1175		in	2015
Total CDD (since Jan 1)		731		775		563		+168		807		in	2016		290		in	1902
Hour-by-Hour Weather For December 22, 2019
Climate Weather for December 22
Weather History For December 22
Weather Calendar
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