Portsmouth Rhode Island Weather Almanac
Wednesday, May 15, 2019
Cloudy, Light Rain and Fog early, Mostly Cloudy Day to Cloudy PM, Continued Cool
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 15, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		59		70		64		-5		84		in	1900		50		in	1916
Minimum Temperature		43		52		48		-5		57		in	2012		38		in	1986
Average Temperature		51		61		56		-5		68		in	1976		46		in	1947
Precipitation		.03		.34		.11		-.08		1.53		in	1938
One Hour		.02		.26						.56		in	1978
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		14		4		9		+5		19		in	1947		0		in	1976
CDD		0		0		0		+0		3		in	1976
Maximum Dew Point		47		62		52		-5		64		in	2004		35		in	2002
Minimum Dew Point		39		51		40		-1		55		in	2014		24		in	1971
Average  Dew Point		43		57		46		-3		59		in	2014		31		in	1971
Maximum Humidity		95%		100%		90%		+5%		100%		in	2018		59%		in	2000
Minimum Humidity		48%		73%		53%		-5%		94%		in	1953		25%		in	1994
Average Humidity		72%		87%		72%		-0%		96%		in	1953		46%		in	2000
Maximum Barometer		29.84		30.00		30.08		-00.24		30.53		in	1971		29.61		in	1960
Minimum Barometer		29.78		29.74		29.84		-00.06		30.32		in	1999		29.40		in	2017
Average Barometer		29.81		29.87		29.96		-00.15		30.38		in	1999		29.58		in	1960
Average Wind		6.3		7.0		6.4		-0.1		14.3		in	2002		2.2		in	1962
Direction		NW		SSW		S				WNW					SSE
High Wind Gust		18		30		22		-4		40		in	2002		9		in	1998
Direction		WNW		SW		S				WNW					SSE
High Heat Index										83		in	1900
Wind Chill															37		in	1985
Maximum Water Temp		49.5		52.9		54.8		-5.3		59.9		in	2007		49.5		in	2019
Minimum Water Temp		47.3		49.8		51.8		-4.5		56.6		in	2012		47.3		in	2019
Average Water Temp		48.4		51.4		53.3		-4.9		58.0		in	2007		48.4		in	2019
Sunrise/ AM Twilight		5:25:22 AM						4:53:46 AM
Sunset / PM Twilight		7:57:51 PM						8:29:27 PM
Length Of Day		14:32:29
Special Conditions		Fog
Comments
		May 15, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		58.6		65.1		62.3		-3.7		71.3		in	2001		52.4		in	1917
Avg Minimum Temperature		44.4		49.6		45.9		-1.5		50.4		in	1930		39.8		in	1967
Average Temperature		51.5		57.3		53.9		-2.4		60.3		in	1930		46.1		in	1917
Total Precipitation		3.19		.61		1.83		+1.36		6.16		in	2006		.01		in	2015
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		198		111		165		+33		280		in	1917		79		in	1930
Total CDD		0		0		0		+0		27		in	2001		0		in	2019
Avg Maximum Dew Point		50.0		54.1		49.3		+0.7		55.7		in	2004		40.3		in	1966
Avg Minimum Dew Point		40.3		44.5		36.9		+3.4		45.7		in	1998		27.5		in	1966
Average  Dew Point		45.2		49.3		43.1		+2.0		49.9		in	1998		33.9		in	1966
		May 15, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		20.85		21.42		18.74		+2.11		32.13		in	1983		10.56		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)		5408		5212		5468		-60		6395		in	1905		4437		in	2012
Total CDD (since Jan 1)		0		0		0		+0		27		in	2001		0		in	2019
Hour-by-Hour Weather For May 15, 2019
Climate Weather for May 15
Weather History For May 15
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