Portsmouth Rhode Island Weather Almanac
Sunday, October 11, 2020
Partly Cloudy to Mostly Cloudy PM and Cooler
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		October 11, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		66		55		63		+3		82		in	1955		49		in	1979
Minimum Temperature		49		53		48		+1		67		in	2018		27		in	1956
Average Temperature		58		54		55		+3		71		in	1949		41		in	1979
Precipitation		.00		.05		.12		-.12		.81		in	1980
One Hour		.00		.02						.36		in	2006
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0						1		in	1979
HDD		7		11		9		-2		24		in	1979		0		in	2018
CDD		0		0		0		+0		6		in	1949		0		in
Maximum Dew Point		61		52		53		+8		70		in	2018		27		in	1964
Minimum Dew Point		43		49		42		+2		66		in	2018		17		in	1956
Average  Dew Point		52		51		47		+5		68		in	2018		23		in	1956
Maximum Humidity		91%		93%		91%		-0%		100%		in	2018		63%		in	1964
Minimum Humidity		51%		79%		56%		-5%		93%		in	2018		26%		in	1956
Average Humidity		71%		86%		74%		-3%		97%		in	2018		46%		in	1964
Maximum Barometer		30.29		30.14		30.15		+00.14		30.79		in	1972		29.66		in	1971
Minimum Barometer		29.86		29.98		29.92		-00.06		30.43		in	1972		29.38		in	1988
Average Barometer		30.08		30.06		30.03		+00.04		30.61		in	1972		29.53		in	1971
Average Wind		6.7		22.4		6.5		+0.2		22.4		in	2019		1.8		in	1992
Direction		ENE		NNE		N				NNE					NW
High Wind Gust		20		42		21		-1		42		in	2019		7		in	1992
Direction		SW		NNE		N				NNE					NW
High Heat Index										82		in	1955
Wind Chill				45											25		in	1956
Maximum Water Temp		64.4		63.0		63.1		+1.3		65.8		in	2018		59.4		in	2000
Minimum Water Temp		63.9		61.4		61.6		+2.3		64.5		in	2017		55.4		in	2000
Average Water Temp		64.2		62.2		62.4		+1.8		65.1		in	2018		57.4		in	2000
Sunrise/ AM Twilight		6:54:14 AM						6:26:31 AM
Sunset / PM Twilight		6:09:02 PM						6:36:46 PM
Length Of Day		11:14:48
Special Conditions		None
Comments
		October 11, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		67.4		64.0		65.2		+2.2		72.0		in	1990		56.4		in	1896
Avg Minimum Temperature		51.2		51.2		49.6		+1.5		58.0		in	2018		41.7		in	1895
Average Temperature		59.5		57.8		57.4		+2.2		64.8		in	1922		50.6		in	1981
Total Precipitation		.37		1.22		1.32		-.95		5.83		in	1962		.00		in	1930
Total Snow		0.0		0.0		0.0		+0.0		0.7		in	1979		0.0		in
Total HDD		61		87		85		-24		158		in	1981		20		in	1959
Total CDD		1		8		5		-4		30		in	1954		0		in	2016
Avg Maximum Dew Point		57.8		57.2		55.0		+2.9		65.5		in	2018		42.2		in	1974
Avg Minimum Dew Point		44.6		45.7		43.8		+0.9		55.5		in	2018		32.5		in	1984
Average  Dew Point		51.5		51.8		49.4		+2.2		60.7		in	2018		37.7		in	1974
		October 11, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		25.63		40.62		36.83		-11.20		50.80		in	1998		18.73		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)		117		130		174		-57		345		in	1956		61		in	1961
Total CDD (since Jan 1)		868		731		563		+305		868		in	2020		290		in	1902
Hour-by-Hour Weather For October 11, 2020
Climate Weather for October 11
Weather History For October 11
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