Portsmouth Rhode Island Weather Almanac
Sunday, May 10, 2020
Partly Cloudy to Clear PM, Windy and Continued Cold
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		May 10, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		59		58		63		-4		89		in	1896		45		in	1924
Minimum Temperature		35		47		46		-11		59		in	1979		34		in	1977
Average Temperature		47		53		54		-7		71		in	1979		42		in	1977
Precipitation		.00		T		.12		-.12		.94		in	1990
One Hour		.00		T						.32		in	1990
Snow		0.0		0.0		0.0		+0.0		T		in	1977
Snow Depth		0		0						2		in	1977
HDD		18		12		10		+8		23		in	1977		0		in	1979
CDD		0		0		0		+0		6		in	1979
Maximum Dew Point		43		56		50		-7		63		in	2015		26		in	1962
Minimum Dew Point		26		39		38		-12		55		in	2015		12		in	1962
Average  Dew Point		35		48		44		-9		59		in	2015		19		in	1962
Maximum Humidity		82%		94%		88%		-6%		100%		in	2015		43%		in	1962
Minimum Humidity		36%		71%		52%		-16%		95%		in	1998		14%		in	1962
Average Humidity		59%		83%		70%		-11%		98%		in	1998		29%		in	1962
Maximum Barometer		30.02		30.31		30.02		-00.00		30.37		in	1996		29.59		in	1964
Minimum Barometer		29.93		29.93		29.78		+00.15		30.14		in	1993		29.20		in	1945
Average Barometer		29.98		30.12		29.90		+00.07		30.22		in	1993		29.50		in	1969
Average Wind		10.6		11.8		8.0		+2.6		15.6		in	1956		2.3		in	1994
Direction		W		S		SSW				SSW					SW
High Wind Gust		29		29		26		+3		44		in	1964		13		in	1953
Direction		SSW		S		SSW				WNW					SW
High Heat Index										82		in	1979
Wind Chill		27													27		in	2020
Maximum Water Temp		44.2		50.2		53.7		-9.5		60.3		in	2007		44.2		in	2020
Minimum Water Temp		42.1		48.0		50.3		-8.2		54.1		in	2013		42.1		in	2020
Average Water Temp		43.2		49.1		52.0		-8.8		57.1		in	2007		43.2		in	2020
Sunrise/ AM Twilight		5:29:40 AM						4:58:32 AM
Sunset / PM Twilight		7:53:34 PM						8:24:42 PM
Length Of Day		14:23:54
Special Conditions		None
Comments
		May 10, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		61.6		59.4		61.6		+0.0		73.3		in	1930		50.8		in	1917
Avg Minimum Temperature		43.6		44.7		45.2		-1.6		52.0		in	1930		38.7		in	1917
Average Temperature		52.6		52.1		53.2		-0.6		62.7		in	1930		44.8		in	1917
Total Precipitation		1.46		1.61		1.26		+.20		4.26		in	1972		.00		in	2015
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		122		126		116		+6		200		in	1917		33		in	1930
Total CDD		0		0		0		+0		19		in	2001		0		in
Avg Maximum Dew Point		46.8		51.3		48.6		-1.8		56.9		in	1998		36.5		in	1952
Avg Minimum Dew Point		31.8		40.6		35.9		-4.1		49.0		in	1998		25.3		in	1968
Average  Dew Point		39.3		46.0		42.2		-2.9		53.0		in	1998		32.1		in	1968
		May 10, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		17.66		19.27		18.30		-.64		31.60		in	1983		10.05		in	1927
Total Snow (since Jul 1 19)		12.9		21.1		31.8		-18.9		84.1		in	1996		5.0		in	1998
Total HDD (since Jul 1 19)		4943		5336		5450		-507		6351		in	1905		4408		in	2012
Total CDD (since Jan 1)		0		0		0		+0.0		19		in	2001		0		in	2020
Hour-by-Hour Weather For May 10, 2020
Climate Weather for May 10
Weather History For May 10
Weather Calendar
Back To Weather Stat Page
Home