Portsmouth Rhode Island Weather Almanac
Tuesday, May 28, 2019
Mostly Cloudy to Cloudy PM with Rain and Fog, Much Cooler
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 28, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		64		64		69		-5		88		in	1991		53		in	1917
Minimum Temperature		53		50		51		+2		62		in	1991		41		in	1994
Average Temperature		59		57		60		-1		75		in	1991		49		in	1907
Precipitation		.19		.04		.11		+.08		2.48		in	1917
One Hour		.07		.02						.42		in	1959
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		6		8		5		+1		16		in	1907		0		in	2016
CDD		0		0		1		-1		10		in	1991
Maximum Dew Point		58		56		56		+2		69		in	2012		42		in	1964
Minimum Dew Point		43		49		46		-3		61		in	2012		29		in	1980
Average  Dew Point		51		53		51		-0		65		in	2012		37		in	1964
Maximum Humidity		96%		98%		90%		+6%		100%		in	2011		58%		in	1952
Minimum Humidity		48%		73%		54%		-6%		93%		in	2004		23%		in	1980
Average Humidity		72%		86%		72%		-0%		97%		in	2004		45%		in	1952
Maximum Barometer		30.01		30.11		30.07		-00.06		30.56		in	1997		29.68		in	1951
Minimum Barometer		29.69		30.01		29.84		-00.15		30.26		in	1995		29.43		in	1986
Average Barometer		29.85		30.06		29.95		-00.10		30.37		in	1997		29.60		in	1977
Average Wind		8.4		6.2		6.0		+2.4		11.5		in	1954		1.7		in	1967
Direction		SE		NNE		S				SW					N
High Wind Gust		22		18		21		+1		36		in	1954		11		in	1950
Direction		E		NNE		S				SW					S
High Heat Index										92		in	1991
Wind Chill															38		in	1994
Maximum Water Temp		57.9		56.1		59.2		-1.3		67.1		in	2007		55.4		in	2005
Minimum Water Temp		52.5		53.4		55.3		-2.8		62.6		in	2007		50.1		in	2008
Average Water Temp		55.2		54.8		57.3		-2.1		64.9		in	2007		52.9		in	2005
Sunrise/ AM Twilight		5:15:25 AM						4:42:34 AM
Sunset / PM Twilight		8:09:47 PM						8:42:39 PM
Length Of Day		14:54:22
Special Conditions		Fog
Comments
		May 28, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		63.6		66.5		64.3		-0.8		70.7		in	1991		57.1		in	2005
Avg Minimum Temperature		47.9		50.5		47.5		+0.4		52.0		in	2012		41.6		in	1967
Average Temperature		55.7		58.5		55.9		-0.1		59.6		in	1991		50.1		in	1967
Total Precipitation		3.46		2.20		3.26		+.20		8.33		in	1967		.35		in	2015
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		260		182		256		+4		413		in	1967		157		in	1918
Total CDD		8		6		6		+2		32		in	1991		0		in	2013
Avg Maximum Dew Point		53.4		56.7		51.4		+2.0		57.6		in	2004		42.2		in	1967
Avg Minimum Dew Point		42.5		46.1		39.8		+2.7		48.0		in	2012		31.1		in	1967
Average  Dew Point		48.0		51.4		45.6		+2.3		52.6		in	2012		36.6		in	1967
		May 28, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		21.12		23.01		20.17		+.95		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)		5470		5283		5559		-89		6518		in	1905		4475		in	2012
Total CDD (since Jan 1)		8		6		6		+2		32		in	1991		0		in	2013
Hour-by-Hour Weather For May 28, 2019
Climate Weather for May 28
Weather History For May 28
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