Portsmouth Rhode Island Weather Almanac
Saturday, May 4, 2019
Cloudy, Light Rain and Fog early, Light Winds and Warmer
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 4, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		62		70		61		+1		87		in	2001		50		in	1987
Minimum Temperature		52		53		45		+7		58		in	2001		33		in	1964
Average Temperature		57		62		53		+4		73		in	2001		42		in	1911
Precipitation		.14		T		.13		+.01		2.41		in	1893
One Hour		.06		T						.42		in	1987
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		8		3		12		-4		23		in	1911		0		in	2010
CDD		0		0		0		+0		8		in	2001
Maximum Dew Point		58		62		48		+10		62		in	2018		23		in	1986
Minimum Dew Point		49		50		35		+14		50		in	2018		15		in	1986
Average  Dew Point		54		56		42		+12		56		in	2018		19		in	1986
Maximum Humidity		98%		92%		87%		+11%		100%		in	2015		54%		in	1967
Minimum Humidity		82%		69%		48%		+34%		92%		in	2012		16%		in	1980
Average Humidity		90%		81%		68%		+22%		96%		in	2012		40%		in	1952
Maximum Barometer		29.99		29.95		30.05		-00.06		30.55		in	1990		29.61		in	1983
Minimum Barometer		29.85		29.76		29.82		+00.03		30.29		in	1993		29.12		in	1984
Average Barometer		29.92		29.86		29.93		-00.01		30.36		in	1993		29.39		in	1984
Average Wind		3.8		7.6		7.0		-3.2		15.2		in	1981		2.4		in	2009
Direction		ESE		SSW		SSW				NNE					SSE
High Wind Gust		15		31		24		-9		46		in	2014		13		in	2012
Direction		NNE		SSW		SSW				W					S
High Heat Index										86		in	2001
Wind Chill															26		in	1986
Maximum Water Temp		47.5		49.6		51.9		-4.4		58.6		in	2007		47.5		in	2019
Minimum Water Temp		45.0		48.0		48.7		-3.7		52.3		in	1998		45.0		in	2019
Average Water Temp		46.3		48.8		50.3		-4.1		54.7		in	2007		46.3		in	2019
Sunrise/ AM Twilight		5:37:28 AM						5:07:02 AM
Sunset / PM Twilight		7:46:29 PM						8:16:55 PM
Length Of Day		14:09:01
Special Conditions		Fog
Comments		9th consecutive day of measurable rain
		May 4, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		57.8		69.5		60.8		-3.0		83.8		in	2001		51.3		in	1920
Avg Minimum Temperature		45.8		50.8		44.5		+1.3		54.5		in	2001		34.8		in	1964
Average Temperature		51.8		60.1		52.5		-0.8		69.1		in	2001		45.1		in	1917
Total Precipitation		.81		.01		.53		+.28		2.92		in	1900		.00		in	2015
Total Snow		0.0		0.0		T		+0.0		T		in	1995		0.0		in
Total HDD		52		18		49		+3		78		in	1917		1		in	2001
Total CDD		0		0		0		+0		19		in	2001		0		in	2019
Avg Maximum Dew Point		52.0		53.3		47.7		+4.4		58.3		in	2010		28.3		in	1952
Avg Minimum Dew Point		42.3		43.8		34.7		+7.6		47.5		in	2010		16.8		in	1974
Average  Dew Point		47.1		48.5		41.2		+6.0		52.9		in	2010		25.3		in	1957
		May 4, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		18.47		20.82		17.44		+1.03		31.53		in	1983		9.77		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)		5262		5119		5352		-90		6309		in	1904		4348		in	2012
Total CDD (since Jan 1)		0		0		0		+0		19		in	2001		0		in	2019
Hour-by-Hour Weather For May 4, 2019
Climate Weather for May 4
Weather History For May 4
Weather Calendar
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