Portsmouth Rhode Island Weather Almanac
Friday, May 10, 2019
Cloudy to Mosty Cloudy PM, Windy, Light Fog and Seasonal Temperatures
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 10, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		58		62		63		-5		89		in	1896		45		in	1924
Minimum Temperature		47		51		46		+1		59		in	1979		34		in	1977
Average Temperature		53		57		54		-1		71		in	1979		42		in	1977
Precipitation		T		.00		.12		.00		.94		in	1990
One Hour		T		.00						.32		in	1990
Snow		0.0		0.0		0.0		+0.0		T		in	1977
Snow Depth		0		0								in
HDD		12		8		10		+2		23		in	1977		0		in	1979
CDD		0		0		0		+0		6		in	1979
Maximum Dew Point		56		54		50		+6		63		in	2015		26		in	1962
Minimum Dew Point		39		49		38		+1		55		in	2015		12		in	1962
Average  Dew Point		48		52		44		+4		59		in	2015		19		in	1962
Maximum Humidity		94%		98%		88%		+6%		100%		in	2015		43%		in	1962
Minimum Humidity		71%		71%		52%		+19%		95%		in	1998		14%		in	1962
Average Humidity		83%		85%		70%		+13%		98%		in	1998		29%		in	1962
Maximum Barometer		30.31		30.10		30.02		+00.29		30.37		in	1996		29.59		in	1964
Minimum Barometer		29.93		29.80		29.78		+00.15		30.14		in	1993		29.20		in	1945
Average Barometer		30.12		29.95		29.90		+00.22		30.22		in	1993		29.50		in	1969
Average Wind		11.8		7.7		8.0		+3.8		15.6		in	1956		2.3		in	1994
Direction		S		SSW		SSW				SSW					SW
High Wind Gust		29		26		26		+3		44		in	1964		13		in	1953
Direction		S		SW		SSW				WNW					SW
High Heat Index										82		in	1979
Wind Chill															27		in	1977
Maximum Water Temp		50.2		55.6		53.7		-3.5		60.3		in	2007		48.7		in	1997
Minimum Water Temp		48.0		50.7		50.3		-2.3		54.1		in	2013		47.1		in	2005
Average Water Temp		49.1		53.2		52.0		-2.9		57.1		in	2007		48.2		in	1997
Sunrise/ AM Twilight		5:30:29 AM						4:59:26 AM
Sunset / PM Twilight		7:52:47 PM						8:23:50 PM
Length Of Day		14:22:18
Special Conditions		Light Fog
Comments
		May 10, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		59.4		66.5		61.6		-2.2		73.3		in	1930		50.8		in	1917
Avg Minimum Temperature		44.7		49.4		45.2		-0.5		52.0		in	1930		38.7		in	1917
Average Temperature		52.1		58.0		53.2		-1.2		62.7		in	1930		44.8		in	1917
Total Precipitation		1.61		.20		1.26		+.35		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		126		67		116		+10		200		in	1917		33		in	1930
Total CDD		0		0		0		+0		19		in	2001		0		in	2019
Avg Maximum Dew Point		51.3		53.8		48.6		+2.8		56.9		in	1998		36.5		in	1952
Avg Minimum Dew Point		40.6		43.8		35.9		+4.8		49.0		in	1998		25.3		in	1968
Average  Dew Point		46.0		48.8		42.2		+3.8		53.0		in	1998		32.1		in	1968
		May 10, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		19.27		21.01		18.17		+1.10		31.60		in	1983		10.05		in	1927
Total Snow (since Jul 1 18)		21.1		45.6		31.8		-10.7		84.1		in	1996		5.0		in	1998
Total HDD (since Jul 1 18)		5336		5168		5419		-83		6351		in	1905		4408		in	2012
Total CDD (since Jan 1)		0		0		0		+0		19		in	2001		0		in	2019
Hour-by-Hour Weather For May 10, 2019
Climate Weather for May 10
Weather History For May 10
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