Portsmouth Rhode Island Weather Almanac
Wednesday, May 29, 2019
Cloudy, Moderate Rain and Fog PM and Cooler
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 29, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		60		84		69		-9		90		in	1931		54		in	1946
Minimum Temperature		49		55		51		-2		64		in	2016		40		in	1900
Average Temperature		55		70		60		-5		75		in	1931		50		in	1946
Precipitation		.55		.00		.11		+.44		1.38		in	1982
One Hour		.33		.00						.47		in	1982
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		10		0		5		+5		15		in	1946		0		in	2016
CDD		0		5		1		-1		10		in	1931
Maximum Dew Point		57		70		56		+1		70		in	2018		40		in	1964
Minimum Dew Point		47		52		47		+0		62		in	2011		31		in	2004
Average  Dew Point		52		61		52		+1		65		in	2011		38		in	1964
Maximum Humidity		97%		95%		91%		+6%		100%		in	2011		60%		in	1975
Minimum Humidity		81%		57%		57%		+24%		90%		in	2009		28%		in	1989
Average Humidity		89%		76%		74%		+15%		94%		in	2017		47%		in	1975
Maximum Barometer		29.84		30.07		30.06		-00.22		30.57		in	1970		29.67		in	2003
Minimum Barometer		29.69		29.95		29.85		-00.16		30.40		in	1970		29.44		in	1990
Average Barometer		29.77		30.01		29.95		-00.19		30.49		in	1970		29.60		in	1969
Average Wind		8.0		4.5		6.2		+1.8		12.3		in	1968		2.0		in	1996
Direction		N		SSE		SSW				SE					ESE
High Wind Gust		21		17		22		-1		37		in	1984		10		in	2009
Direction		N		SW		SSW				S					SE
High Heat Index										89		in	1931
Wind Chill															37		in	1907
Maximum Water Temp		55.0		59.0		59.8		-4.8		67.8		in	2007		54.9		in	2005
Minimum Water Temp		52.3		55.4		55.8		-3.5		61.3		in	2012		50.9		in	2005
Average Water Temp		53.7		57.2		57.8		-4.2		63.8		in	2012		52.9		in	2005
Sunrise/ AM Twilight		5:14:53 AM						4:41:56 AM
Sunset / PM Twilight		8:10:36 PM						8:43:33 PM
Length Of Day		14:55:43
Special Conditions		Fog
Comments
		May 29, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		63.4		67.1		64.5		-1.0		71.2		in	1991		57.4		in	1917
Avg Minimum Temperature		47.9		50.6		47.6		+0.3		52.2		in	2012		41.8		in	1967
Average Temperature		55.7		58.8		56.0		-0.3		60.1		in	1991		50.1		in	1967
Total Precipitation		4.01		2.20		3.37		+.64		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		270		182		261		+9		426		in	1967		164		in	1918
Total CDD		8		11		7		+1		41		in	1991		0		in	2013
Avg Maximum Dew Point		53.6		57.2		51.6		+1.9		57.6		in	2004		42.2		in	1967
Avg Minimum Dew Point		42.7		46.3		40.1		+2.6		48.4		in	2012		31.3		in	1967
Average  Dew Point		48.1		51.7		45.8		+2.3		53.0		in	2012		36.7		in	1967
		May 29, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		21.67		23.01		20.28		+1.39		35.09		in	1983		11.43		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)		5480		5283		5564		-84		6518		in	1905		4475		in	2012
Total CDD (since Jan 1)		8		11		7		+1		41		in	1991		0		in	2013
Hour-by-Hour Weather For May 29, 2019
Climate Weather for May 29
Weather History For May 29
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