Portsmouth Rhode Island Weather Almanac
Tuesday, January 21, 2020
Clear early, Partly Cloudy Day to Clear PM, Continued Cold and Dry
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		January 21, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		28		12		36		-8		54		in	1979		12		in	2019
Minimum Temperature		17		2		22		-5		41		in	1923		2		in	2019
Average Temperature		23		7		29		-6		46		in	1923		7		in	2019
Precipitation		.00		.00		.12		-.12		2.05		in	1979
One Hour		.00		.00						.56		in	1979
Snow		0.0		0.0		0.3		-0.3		8.6		in	2012
Snow Depth		0		0						14		in	1961
HDD		42		58		36		+6		58		in	2019		19		in	1923
CDD		0				0		+0		0		in
Maximum Dew Point		8		5		27		-19		53		in	1979		-3		in	1985
Minimum Dew Point		3		-6		11		-8		36		in	2017		-18		in	1985
Average  Dew Point		6		-1		19		-13		42		in	1959		-11		in	1985
Maximum Humidity		61%		74%		80%		-19%		100%		in	2017		46%		in	1980
Minimum Humidity		37%		58%		51%		-14%		94%		in	1959		22%		in	1989
Average Humidity		49%		66%		65%		-16%		96%		in	1959		38%		in	1980
Maximum Barometer		30.43		30.19		30.14		+00.29		30.92		in	1949		29.53		in	1985
Minimum Barometer		30.31		29.57		29.81		+00.50		30.42		in	1996		28.70		in	1979
Average Barometer		30.37		29.88		29.97		+00.40		30.54		in	2008		29.15		in	1964
Average Wind		8.0		19.5		8.7		-0.7		22.5		in	2000		1.3		in	1981
Direction		NNW		WNW		WNW				NW					S
High Wind Gust		23		38		27		-4		45		in	1947		10		in	1981
Direction		NNW		NW		WNW				W					S
Wind Chill		5		-17		8		-3							-19		in	1985
Maximum Water Temp		37.8		38.5		39.3		-1.5		45.1		in	2007		35.7		in	2003
Minimum Water Temp		35.6		33.8		36.4		-0.8		40.2		in	2017		32.4		in	2004
Average Water Temp		36.7		36.2		37.8		-1.1		42.2		in	2007		34.2		in	2003
Sunrise/ AM Twilight		7:05:28 AM						6:35:30 AM
Sunset / PM Twilight		4:47:59 PM						5:17:57 PM
Length Of Day		9:42:31
Special Conditions		None
Comments
		January 21, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		42.6		37.7		37.7		+4.9		45.9		in	1913		26.8		in	1981
Avg Minimum Temperature		29.8		23.8		23.3		+6.5		32.4		in	1932		9.7		in	1981
Average Temperature		36.2		30.7		30.3		+5.9		38.5		in	2007		18.2		in	1981
Total Precipitation		1.38		4.05		2.52		-1.14		9.13		in	1979		.51		in	1984
Total Snow		3.8		0.8		5.4		-1.6		25.8		in	1996		0.0		in	2007
Total HDD		600		717		720		-120		976		in	1981		551		in	1937
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		35.7		30.0		28.9		+6.9		39.9		in	2006		12.7		in	1981
Avg Minimum Dew Point		20.2		13.0		12.3		+7.8		24.6		in	2006		-5.7		in	1981
Average  Dew Point		28.0		21.5		20.6		+7.4		32.3		in	2006		3.5		in	1981
		January 21, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		1.38		4.05		2.52		-1.14		9.13		in	1979		.51		in	1984
Total Snow (since Jul 1 19)		12.2		5.2		14.0		-1.8		41.6		in	1996		0.4		in	2007
Total HDD (since Jul 1 19)		2480		2646		2671		-191		3333		in	1918		1984		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For January 21, 2020
Climate Weather for January 21
Weather History For January 21
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