Portsmouth Rhode Island Weather Almanac
Saturday, December 14, 2019
Cloudy, Heavy Rain and Dense Fog, Windy and Very Warm
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		December 14, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		58		48		42		+16		60		in	2015		21		in	1905
Minimum Temperature		48		28		29		+19		50		in	1901		4		in	1982
Average Temperature		53		38		35		+18		55		in	2015		13		in	1905
Precipitation		1.54		.00		.14		+1.40		1.81		in	1905
One Hour		.35		.00						.47		in	2002
Snow		0.0		0.0		0.1		-.14		5.3		in	1907
Snow Depth		2		0						11		in	1904
HDD		12		27		29		-17		52		in	1905		10		in	2015
CDD		0		0		0		+0		0		in
Maximum Dew Point		57		46		34		+23		58		in	2015		-2		in	1989
Minimum Dew Point		44		25		19		+25		46		in	2015		-11		in	1960
Average  Dew Point		51		36		27		+24		52		in	2015		-6		in	1989
Maximum Humidity		100%		95%		87%		+13%		100%		in	2019		46%		in	1989
Minimum Humidity		86%		75%		59%		+27%		93%		in	1993		23%		in	1989
Average Humidity		93%		85%		73%		+20%		97%		in	1993		35%		in	1989
Maximum Barometer		30.03		30.56		30.19		-00.16		30.67		in	1984		29.55		in	2010
Minimum Barometer		29.20		30.25		29.83		-00.63		30.49		in	1994		29.14		in	2010
Average Barometer		29.62		30.41		30.01		-00.39		30.54		in	1994		29.35		in	2010
Average Wind		12.7		6.0		8.1		+4.6		15.6		in	1953		2.7		in	1981
Direction		S		SE		N				NE					WSW
High Wind Gust		35		19		26		+9		57		in	1953		12		in	1972
Direction		ESE		SSW		N				SW					N
Wind Chill		43		24		19		+24							-15		in	1982
Maximum Water Temp		42.1		41.9		46.2		-4.1		52.2		in	2011		41.9		in	2018
Minimum Water Temp		39.7		39.9		43.8		-4.1		50.4		in	2015		38.4		in	2013
Average Water Temp		40.9		40.9		45.0		-4.1		50.7		in	2015		40.3		in	2013
Sunrise/ AM Twilight		7:04:23 AM						6:33:08 AM
Sunset / PM Twilight		4:16:14 PM						4:47:29 PM
Length Of Day		9:11:51
Special Conditions		Dense Fog
Comments
		December 14, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		44.3		41.6		44.6		-0.3		54.4		in	2015		30.3		in	1904
Avg Minimum Temperature		30.2		27.4		30.9		-0.7		41.9		in	2015		16.1		in	1989
Average Temperature		37.3		34.5		37.7		-0.5		48.1		in	2015		24.8		in	1904
Total Precipitation		4.82		1.15		2.07		+2.75		6.64		in	1936		.04		in	1911
Total Snow		8.0		T		2.7		+5.3		19.2		in	1981		0.0		in	2015
Total HDD		385		423		378		+7		560		in	1904		232		in	2015
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		32.0		32.0		36.5		-4.5		48.4		in	2015		17.6		in	1989
Avg Minimum Dew Point		23.4		17.4		21.5		+1.9		37.9		in	2015		-1.3		in	1989
Average  Dew Point		31.5		24.7		29.0		+2.5		43.1		in	2015		8.2		in	1989
		December 14, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		54.32		50.38		45.92		+8.40		63.38		in	1983		27.09		in	1965
Total Snow (since Jul 1 19)		8.0		4.2		3.8		+4.2		21.1		in	1898		0.0		in	2015
Total HDD (since Jul 1 19)		1375		1483		1410		-35		1872		in	1904		1027		in	2015
Total CDD (since Jan 1)		731		775		563		+168		807		in	2016		290		in	1902
Hour-by-Hour Weather For December 14, 2019
Climate Weather for December 14
Weather History For December 14
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