Portsmouth Rhode Island Weather Almanac
Monday, December 23, 2019
Clear and Very Warm
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		December 23, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		52		40		40		+12		62		in	2015		20		in	1989
Minimum Temperature		35		33		26		+9		50		in	1990		2		in	1955
Average Temperature		44		37		33		+11		55		in	2015		13		in	1989
Precipitation		.00		.00		.13		-.13		1.85		in	2015
One Hour		.00		.00						.99		in	2015
Snow		0.0		0.0		0.1		-.13		6.2		in	1905
Snow Depth		0		0						17		in	2009
HDD		21		28		32		-11		52		in	1989		10		in	2015
CDD		0		0		0		+0		0		in
Maximum Dew Point		40		26		32		+8		62		in	2015		-2		in	1989
Minimum Dew Point		30		23		16		+14		50		in	1990		-7		in	1955
Average  Dew Point		35		25		24		+11		55		in	2015		-4		in	1989
Maximum Humidity		86%		76%		85%		+1%		100%		in	2017		51%		in	1960
Minimum Humidity		57%		51%		59%		-2%		93%		in	1990		26%		in	1971
Average Humidity		72%		64%		72%		-1%		97%		in	1990		44%		in	1960
Maximum Barometer		30.14		30.12		30.16		-00.02		30.78		in	1971		29.76		in	1991
Minimum Barometer		29.84		29.88		29.85		-00.01		30.64		in	1971		28.96		in	1968
Average Barometer		29.99		30.00		30.00		-00.01		30.71		in	1971		29.46		in	1968
Average Wind		5.7		8.2		7.8		-2.1		15.0		in	1994		1.9		in	1996
Direction		W		WNW		W				N					SSE
High Wind Gust		21		21		26		-5		61		in	1994		11		in	1980
Direction		SSW		W		W				NNE					ESE
Wind Chill		30		25		18		+12							-13		in	1954
Maximum Water Temp		40.3		43.0		44.2		-3.9		51.1		in	2011		38.9		in	2008
Minimum Water Temp		37.1		41.4		41.9		-4.8		49.2		in	2015		36.9		in	2008
Average Water Temp		38.7		42.2		43.1		-4.4		50.0		in	2011		37.9		in	2008
Sunrise/ AM Twilight		7:09:27 AM						6:38:08 AM
Sunset / PM Twilight		4:20:02 PM						4:51:21 PM
Length Of Day		9:10:35
Special Conditions		None
Comments		17 inch snow depth ten years ago (2009)
		December 23, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		41.6		43.3		43.1		-1.5		53.9		in	2015		31.5		in	1989
Avg Minimum Temperature		28.2		30.4		29.3		-1.1		41.5		in	2015		15.0		in	1989
Average Temperature		34.9		36.8		36.2		-1.3		47.7		in	2015		23.3		in	1989
Total Precipitation		5.28		2.63		3.31		+1.97		9.27		in	1936		.37		in	1998
Total Snow		8.4		T		5.2		+3.2		21.3		in	1981		0.0		in	2015
Total HDD		684		641		657		+27		955		in	1989		390		in	2015
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		35.4		35.6		35.1		+0.3		48.8		in	2015		15.9		in	1989
Avg Minimum Dew Point		20.7		21.2		19.8		+1.0		36.3		in	2015		-1.2		in	1989
Average  Dew Point		28.1		28.4		27.4		+0.6		42.5		in	2015		7.4		in	1989
		December 23, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		54.78		51.86		47.16		+7.62		65.09		in	1983		27.14		in	1965
Total Snow (since Jul 1 19)		8.4		4.2		6.3		+2.1		21.3		in	1898		0.0		in	2015
Total HDD (since Jul 1 19)		1674		1701		1689		-15		2202		in	1904		1185		in	2015
Total CDD (since Jan 1)		731		775		563		+168		807		in	2016		290		in	1902
Hour-by-Hour Weather For December 23, 2019
Climate Weather for December 23
Weather History For December 23
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