Portsmouth Rhode Island Weather Almanac
Monday, October 12, 2020
Cloudy, Late Morning Light Rain and Fog, Cooler
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		October 12, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		57		58		63		-6		79		in	1954		49		in	1987
Minimum Temperature		50		53		48		+2		65		in	1990		27		in	1956
Average Temperature		54		56		55		-1		71		in	1954		41		in	1956
Precipitation		.05		.00		.13		-.08		1.61		in	2018
One Hour		.02		.00						.48		in	1948
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0						0		in
HDD		11		9		10		+1		24		in	1956		0		in	1990
CDD		0		0		0		+0		6		in	1954		0		in
Maximum Dew Point		51		53		53		-2		69		in	2018		30		in	1957
Minimum Dew Point		42		50		41		+1		65		in	1990		13		in	1963
Average  Dew Point		47		52		47		+0		67		in	1990		27		in	1957
Maximum Humidity		88%		92%		91%		-3%		100%		in	2018		60%		in	1958
Minimum Humidity		75%		83%		55%		+20%		89%		in	1975		19%		in	1963
Average Humidity		82%		88%		73%		+8%		94%		in	2002		43%		in	1963
Maximum Barometer		30.31		29.99		30.15		+00.16		30.59		in	1994		29.58		in	1950
Minimum Barometer		30.12		29.91		29.90		+00.22		30.44		in	1994		29.37		in	1950
Average Barometer		30.22		29.95		30.03		+00.19		30.52		in	1994		29.48		in	1950
Average Wind		7.3		13.8		6.7		+0.6		14.3		in	2002		2.1		in	2016
Direction		ENE		N		N				NNE					SE
High Wind Gust		21		32		22		-1		48		in	1926		10		in	1969
Direction		SE		NNE		SW				S					N
High Heat Index										81		in	1954
Wind Chill				45											27		in	1956
Maximum Water Temp		63.9		61.6		62.8		+1.1		65.3		in	2018		59.7		in	2010
Minimum Water Temp		62.2		59.5		61.0		+1.2		63.5		in	2011		57.4		in	2000
Average Water Temp		63.1		60.6		61.9		+1.1		64.1		in	2011		58.9		in	2000
Sunrise/ AM Twilight		6:55:21 AM						6:27:36 AM
Sunset / PM Twilight		6:07:27 PM						6:35:12 PM
Length Of Day		11:12:06
Special Conditions		Fog
Comments
		October 12, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		66.5		63.5		65.0		+1.5		72.3		in	1990		56.2		in	1896
Avg Minimum Temperature		51.1		51.3		49.5		+1.6		57.3		in	2018		41.2		in	1956
Average Temperature		59.1		57.7		57.2		+1.9		64.3		in	1922		50.0		in	1981
Total Precipitation		.42		1.22		1.45		-1.03		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		72		96		95		-23		180		in	1981		27		in	1959
Total CDD		1		8		5		-4		36		in	1954		0		in	2016
Avg Maximum Dew Point		57.3		56.8		54.8		+2.5		65.8		in	2018		43.2		in	1974
Avg Minimum Dew Point		44.4		46.1		43.5		+0.9		54.8		in	2005		32.8		in	1956
Average  Dew Point		51.2		51.8		49.2		+2.0		60.3		in	2018		38.4		in	1974
		October 12, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		25.68		40.62		36.96		-11.28		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)		128		139		184		-56		369		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 12, 2020
Climate Weather for October 12
Weather History For October 12
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