Portsmouth Rhode Island Weather Almanac
Saturday, January 18, 2020
Partly Cloudy and Cold early then Cloudy, Snow to Rain, Fog and Warmer PM, Light Winds
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		January 18, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		39		39		37		+2		58		in	1990		11		in	1982
Minimum Temperature		14		27		22		-8		46		in	1915		-9		in	1982
Average Temperature		27		33		30		-3		50		in	1990		1		in	1982
Precipitation		.34		.00		.12		+.22		2.05		in	1915
One Hour		.04		.00						.47		in	1994
Snow		2.3		0.0		0.3		+2.0		6.3		in	2009
Snow Depth		0		0						13		in	1912
HDD		38		32		36		+2		64		in	1982		15		in	1990
CDD		0				0		+0		0		in
Maximum Dew Point		38		34		28		+11		54		in	2006		-9		in	1977
Minimum Dew Point		-1		17		11		-12		35		in	2017		-24		in	1982
Average  Dew Point		19		26		19		-0		41		in	1999		-15		in	1982
Maximum Humidity		95%		90%		84%		+11%		100%		in	2011		50%		in	1977
Minimum Humidity		45%		65%		54%		-9%		94%		in	2017		29%		in	2013
Average Humidity		70%		78%		69%		+1%		96%		in	2017		42%		in	1962
Maximum Barometer		30.60		30.28		30.14		+00.46		30.74		in	2007		29.54		in	1958
Minimum Barometer		29.75		30.03		29.78		-00.03		30.30		in	1962		29.25		in	1926
Average Barometer		30.18		30.16		29.96		+00.22		30.43		in	1974		29.42		in	1958
Average Wind		5.0		5.0		8.4		-3.4		16.6		in	2006		1.6		in	1965
Direction		N		E		NW				SSE					W
High Wind Gust		19		14		27		-8		55		in	1999		12		in	1985
Direction		N		ENE		NW				S					NW
Wind Chill		3		19		9		-6							-31		in	1982
Maximum Water Temp		38.8		40.6		40.5		-1.7		48.2		in	2007		36.0		in	2018
Minimum Water Temp		36.9		35.8		37.4		-0.5		43.2		in	2007		33.6		in	2018
Average Water Temp		37.9		38.2		38.9		-1.1		45.7		in	2007		34.8		in	2018
Sunrise/ AM Twilight		7:07:20 AM						6:37:09 AM
Sunset / PM Twilight		4:44:23 PM						5:14:33 PM
Length Of Day		9:37:03
Special Conditions		Fog, Freezing Rain
Comments
		January 18, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		44.1		38.7		38.0		+6.1		46.9		in	2007		24.7		in	1981
Avg Minimum Temperature		31.3		25.4		23.5		+7.8		33.4		in	2007		8.1		in	1981
Average Temperature		37.7		32.0		30.5		+7.2		40.2		in	2007		16.4		in	1981
Total Precipitation		1.16		1.74		2.16		-1.00		7.08		in	1979		.28		in	1984
Total Snow		3.8		T		4.5		-0.7		25.8		in	1996		0.0		in	2007
Total HDD		487		591		612		-125		870		in	1981		445		in	2007
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		38.1		30.4		29.1		+9.0		41.9		in	2007		11.8		in	1981
Avg Minimum Dew Point		22.4		14.2		12.6		+9.8		24.4		in	2006		-7.4		in	1981
Average  Dew Point		30.3		22.3		20.9		+9.4		32.6		in	2007		2.2		in	1981
		January 18, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		1.16		1.74		2.16		-1.00		7.08		in	1979		.28		in	1984
Total Snow (since Jul 1 19)		12.2		4.4		13.1		-0.9		41.6		in	1996		0.2		in	1914
Total HDD (since Jul 1 19)		2367		2520		2563		-196		3201		in	1981		1871		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For January 18, 2020
Climate Weather for January 18
Weather History For January 18
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