Portsmouth Rhode Island Weather Almanac
Thursday, May 30, 2019
Cloudy, Morning & Evening Rain and Fog, Light Winds and Continued Cool
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 30, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		60		74		69		-9		90		in	1931		53		in	1996
Minimum Temperature		49		54		51		-2		66		in	1929		39		in	1970
Average Temperature		55		64		61		-6		76		in	1942		49		in	1996
Precipitation		.21		.00		.11		+.10		1.12		in	2016
One Hour		.09		.00						.44		in	1991
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		10		1		4		+6		16		in	1996		0		in	2015
CDD		0		0		1		-1		11		in	1942
Maximum Dew Point		56		66		57		-1		71		in	2011		40		in	1967
Minimum Dew Point		48		52		47		+1		61		in	2012		27		in	1961
Average  Dew Point		52		59		52		+0		66		in	2011		35		in	1967
Maximum Humidity		98%		95%		92%		+6%		100%		in	2017		64%		in	1993
Minimum Humidity		81%		56%		57%		+24%		96%		in	2016		24%		in	1993
Average Humidity		90%		76%		75%		+15%		98%		in	2016		44%		in	1993
Maximum Barometer		29.84		30.18		30.04		-00.20		30.55		in	1970		29.64		in	2003
Minimum Barometer		29.68		30.06		29.83		-00.15		30.34		in	1970		29.30		in	1990
Average Barometer		29.76		30.12		29.94		-00.18		30.45		in	1970		29.56		in	1990
Average Wind		5.3		3.3		5.7		-0.4		13.0		in	1984		2.2		in	2012
Direction		S		SSE		SSE				SSE					WSW
High Wind Gust		18		17		20		-2		39		in	1909		11		in	2012
Direction		S		SSE		SSE				NW					WSW
High Heat Index										94		in	1942
Wind Chill															39		in	1996
Maximum Water Temp		55.6		60.8		60.1		-4.5		68.4		in	2007		55.6		in	2019
Minimum Water Temp		52.9		55.6		55.9		-3.0		61.5		in	2012		51.3		in	2005
Average Water Temp		54.3		58.2		58.0		-3.8		64.9		in	2007		54.2		in	2005
Sunrise/ AM Twilight		5:14:22 AM						4:41:20 AM
Sunset / PM Twilight		8:11:24 PM						8:44:25 PM
Length Of Day		14:57:02
Special Conditions		Fog
Comments
		May 30, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		63.3		67.3		64.6		-1.3		71.4		in	1991		57.4		in	1917
Avg Minimum Temperature		47.9		50.7		47.7		+0.2		52.6		in	2012		41.9		in	1967
Average Temperature		55.6		59.0		56.2		-0.5		60.4		in	1991		50.3		in	1967
Total Precipitation		4.22		2.20		3.48		+.74		9.19		in	1948		.35		in	2015
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		280		183		265		+15		435		in	1967		168		in	1993
Total CDD		8		11		8		+0		45		in	1991		0		in	2008
Avg Maximum Dew Point		53.6		57.5		51.8		+1.9		57.9		in	2012		42.1		in	1967
Avg Minimum Dew Point		42.8		46.5		40.3		+2.5		48.9		in	2012		31.2		in	1967
Average  Dew Point		48.2		52.0		46.0		+2.2		53.4		in	2012		36.7		in	1967
		May 30, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		21.88		23.01		20.39		+1.49		35.73		in	1983		11.62		in	1905
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)		5490		5284		5568		-78		6523		in	1905		4475		in	2012
Total CDD (since Jan 1)		8		11		8		+0		46		in	1991		0		in	2008
Hour-by-Hour Weather For May 30, 2019
Climate Weather for May 30
Weather History For May 30
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