Portsmouth Rhode Island Weather Almanac
Sunday, January 12, 2020
Cloudy, Rain and Fog early, Partly Cloudy Day to Clear PM, Windy and Record Breaking Heat
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		January 12, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		66		30		38		+28		66		in	2020		14		in	1982
Minimum Temperature		40		15		23		+17		46		in	2017		-4		in	1982
Average Temperature		53		23		30		+23		53		in	2020		5		in	1982
Precipitation		.17		.00		.12		+.05		1.69		in	2018
One Hour		.10		.00						.46		in	2018
Snow		0.0		0.0		0.3		-0.3		8.2		in	2011
Snow Depth		0		0						21		in	1996
HDD		12		42		34		-22		60		in	1982		12		in	2020
CDD		0				0		+0		0		in
Maximum Dew Point		56		10		29		+27		56		in	2020		-10		in	1981
Minimum Dew Point		31		3		12		+19		44		in	2017		-20		in	1981
Average  Dew Point		44		7		20		+24		48		in	2018		-15		in	1981
Maximum Humidity		96%		60%		82%		+14%		100%		in	2018		43%		in	1968
Minimum Humidity		52%		37%		54%		-2%		97%		in	2018		20%		in	1992
Average Humidity		74%		49%		68%		+6%		99%		in	2018		34%		in	1968
Maximum Barometer		30.42		30.50		30.19		+00.23		30.86		in	1984		29.60		in	1990
Minimum Barometer		29.86		30.35		29.83		+00.03		30.43		in	1968		28.90		in	1987
Average Barometer		30.14		30.43		30.01		+00.13		30.55		in	1984		29.32		in	1987
Average Wind		11.1		11.1		8.1		+3.0		16.4		in	2011		2.1		in	1955
Direction		SSW		NW		NW				W					NNW
High Wind Gust		36		22		27		+9		51		in	1986		7		in	1993
Direction		S		WNW		NW				SW					ENE
Wind Chill		36		3		12		+24							-29		in	1982
Maximum Water Temp		41.0		36.3		41.2		-0.2		49.3		in	2012		36.3		in	2019
Minimum Water Temp		38.5		33.6		39.1		-0.6		45.6		in	2012		33.6		in	2019
Average Water Temp		39.8		35.0		40.0		-0.3		47.5		in	2012		35.0		in	2019
Sunrise/ AM Twilight		7:10:06 AM						6:39:32 AM
Sunset / PM Twilight		4:37:29 PM						5:08:03 PM
Length Of Day		9:27:23
Special Conditions		Fog
Comments		66° all time record high for the month of January
		January 12, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		45.2		40.9		38.3		+6.8		50.3		in	2000		23.8		in	1981
Avg Minimum Temperature		33.1		27.3		23.9		+9.2		36.9		in	2007		6.7		in	1981
Average Temperature		39.1		34.1		30.8		+8.4		43.0		in	2007		15.2		in	1981
Total Precipitation		.73		1.74		1.44		-.71		4.52		in	1979		.09		in	1984
Total Snow		1.5		T		2.7		-1.2		25.8		in	1996		0.0		in	2007
Total HDD		308		368		402		-94		594		in	1981		262		in	2007
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		39.3		33.4		29.7		+9.6		43.7		in	2000		10.6		in	1981
Avg Minimum Dew Point		25.0		15.8		13.1		+11.9		27.7		in	1998		-10.1		in	1981
Average  Dew Point		32.2		24.6		21.4		+10.7		34.7		in	2007		0.3		in	1981
		January 12, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		.73		1.74		1.44		-.71		4.52		in	1979		.09		in	1984
Total Snow (since Jul 1 19)		9.9		4.4		11.3		-1.4		41.6		in	1996		T		in	2000
Total HDD (since Jul 1 19)		2188		2297		2353		-165		2970		in	1918		1678		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
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