Portsmouth Rhode Island Weather Almanac
Saturday, May 11, 2019
Cloudy early, Clear Day to Partly Cloudy PM, Warmer
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 11, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		69		70		63		+6		82		in	2001		46		in	1919
Minimum Temperature		51		50		47		+4		59		in	2015		34		in	1900
Average Temperature		60		60		55		+5		69		in	2001		44		in	1963
Precipitation		T		T		.12		.00		1.54		in	1989
One Hour		T		T						.41		in	1951
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		5		5		10		-5		21		in	1963		0		in	2015
CDD		0		0		0		+0		4		in	2001
Maximum Dew Point		55		55		50		+5		65		in	2015		32		in	1966
Minimum Dew Point		45		40		38		+7		59		in	2015		19		in	1966
Average  Dew Point		50		48		44		+6		62		in	2015		26		in	1966
Maximum Humidity		95%		95%		88%		+7%		100%		in	2015		55%		in	1966
Minimum Humidity		44%		34%		50%		-6%		97%		in	1989		22%		in	2001
Average Humidity		70%		65%		69%		+0%		99%		in	1989		40%		in	1966
Maximum Barometer		30.05		30.13		30.05		-00.00		30.43		in	1966		29.62		in	1954
Minimum Barometer		29.90		29.80		29.83		+00.07		30.30		in	2010		29.41		in	1990
Average Barometer		29.98		29.97		29.94		+00.03		30.36		in	2010		29.57		in	1954
Average Wind		6.7		5.5		7.5		-0.8		14.1		in	1986		3.1		in	2007
Direction		S		SE		SSW				NNE					SSE
High Wind Gust		19		20		25		-6		43		in	1945		14		in	2007
Direction		NW		SSE		SSW				NW					S
High Heat Index										81		in	1993
Wind Chill															35		in	1945
Maximum Water Temp		51.3		55.8		54.3		-3.0		59.5		in	2007		51.3		in	2019
Minimum Water Temp		47.5		50.7		50.8		-3.3		55.7		in	2013		47.5		in	2019
Average Water Temp		49.4		53.3		52.5		-3.1		56.5		in	2013		49.4		in	2019
Sunrise/ AM Twilight		5:29:25 AM						4:58:15 AM
Sunset / PM Twilight		7:53:49 PM						8:24:59 PM
Length Of Day		14:24:24
Special Conditions		Light Fog
Comments
		May 11, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		60.3		66.8		61.7		-1.5		72.6		in	2001		51.1		in	1917
Avg Minimum Temperature		45.3		49.5		45.4		-0.1		51.4		in	1930		39.1		in	1917
Average Temperature		52.8		58.1		53.4		-0.6		61.9		in	1930		45.1		in	1917
Total Precipitation		1.61		.20		1.38		+.23		4.71		in	1989		.00		in	2015
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		131		72		126		+5		216		in	1917		44		in	1930
Total CDD		0		0		0		+0		23		in	2001		0		in	2019
Avg Maximum Dew Point		51.6		53.9		48.7		+2.9		56.2		in	1998		37.8		in	1952
Avg Minimum Dew Point		41.0		43.5		36.1		+4.9		48.6		in	1998		26.2		in	1968
Average  Dew Point		46.3		48.7		42.4		+3.9		52.4		in	1998		32.7		in	1968
		May 11, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		19.27		21.01		18.29		+.98		31.68		in	1983		10.12		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)		5341		5173		5429		-88		6359		in	1905		4418		in	2012
Total CDD (since Jan 1)		0		0		0		+0		23		in	2001		0		in	2019
Hour-by-Hour Weather For May 11, 2019
Climate Weather for May 11
Weather History For May 11
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