Portsmouth Rhode Island Weather Almanac
Tuesday, October 27, 2020
Cloudy & Dense Fog early then Mostly Cloudy and Warmer
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		October 27, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		59		59		58		+1		75		in	1947		40		in	1936
Minimum Temperature		49		48		42		+7		62		in	2010		26		in	1936
Average Temperature		54		54		50		+4		66		in	1977		33		in	1936
Precipitation		.00		2.45		.13		-.13		2.45		in	2019
One Hour		.00		.77						.77		in	2019
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0						T		in	1962
HDD		11		11		15		-4		32		in	1936		0		in	1977
CDD		0		0		0		+0		1		in	1977		0		in
Maximum Dew Point		57		57		47		+10		64		in	2010		26		in	1979
Minimum Dew Point		41		42		34		+7		61		in	2010		9		in	1974
Average  Dew Point		49		50		41		+8		63		in	2010		21		in	1976
Maximum Humidity		98%		96%		89%		+9%		100%		in	2018		63%		in	1974
Minimum Humidity		59%		66%		56%		+3%		95%		in	1981		25%		in	1974
Average Humidity		79%		81%		73%		+6%		98%		in	1981		44%		in	1974
Maximum Barometer		30.18		30.31		30.14		+00.04		30.58		in	2015		29.68		in	1959
Minimum Barometer		30.05		29.66		29.87		+00.18		30.49		in	2015		29.46		in	1997
Average Barometer		30.12		29.99		30.00		+00.11		30.54		in	2015		29.61		in	1959
Average Wind		5.8		12.3		6.5		-0.7		13.9		in	2003		1.6		in	1981
Direction		NNE		ESE		NNE				S					NE
High Wind Gust		20		33		22		-2		41		in	1985		10		in	2015
Direction		NNW		E		N				WNW					SSW
High Heat Index										76		in	1947
Wind Chill															21		in	1976
Maximum Water Temp		61.2		58.4		58.5		+2.7		61.9		in	2007		53.8		in	2018
Minimum Water Temp		60.3		57.2		56.7		+3.6		60.3		in	2020		51.4		in	2018
Average Water Temp		60.8		57.8		57.6		+3.1		61.0		in	2017		52.6		in	2018
Sunrise/ AM Twilight		7:12:35 AM						6:44:09 AM
Sunset / PM Twilight		5:45:25 PM						6:13:52 PM
Length Of Day		10:32:50
Special Conditions		Dense Fog
Comments
		October 27, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		65.3		63.3		62.3		+3.0		68.9		in	1947		55.3		in	1896
Avg Minimum Temperature		50.4		48.8		46.7		+3.7		53.9		in	2017		40.7		in	1981
Average Temperature		58.2		56.3		54.4		+3.8		61.5		in	2017		49.1		in	1896
Total Precipitation		3.66		6.45		3.40		+.26		9.91		in	2005		.01		in	1963
Total Snow		0.0		0.0		0.0		+0.0		0.7		in	1979		0.0		in
Total HDD		188		242		284		-96		429		in	1896		119		in	2017
Total CDD		4		8		5		-1		48		in	1954		0		in	2015
Avg Maximum Dew Point		57.4		55.6		52.0		+5.4		60.3		in	2007		42.6		in	1974
Avg Minimum Dew Point		45.3		43.9		40.2		+5.1		49.6		in	2007		30.0		in	1974
Average  Dew Point		51.6		50.1		46.1		+5.5		54.9		in	2007		36.3		in	1974
		October 27, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		28.92		45.85		38.91		-9.99		51.27		in	1998		20.15		in	1957
Total Snow (since Jul 1 20)		0.0		0.0		0.0		+0.0		0.7		in	1979		0.0		in
Total HDD (since Jul 1 20)		244		285		373		-129		540		in	1896		156		in	1920
Total CDD (since Jan 1)		871		731		563		+308		871		in	2020		290		in	1902
Hour-by-Hour Weather For October 27, 2020
Climate Weather for October 27
Weather History For October 27
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