Portsmouth Rhode Island Weather Almanac
Monday, May 20, 2019
Cloudy, Dense Fog early then Partly Cloudy, Light Shower & Fog Late, Windy, Very Warm and Humid
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 20, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		73		67		66		+7		85		in	1996		51		in	1948
Minimum Temperature		59		56		49		+10		60		in	1903		38		in	1992
Average Temperature		66		62		57		+9		72		in	1903		47		in	1948
Precipitation		.01		.59		.11		-.10		1.15		in	1952
One Hour		.01		.31						.43		in	1984
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		0		3		8		-8		18		in	1948		0		in	1996
CDD		1		0		0		+1		7		in	1903
Maximum Dew Point		65		64		53		+12		70		in	1996		38		in	2002
Minimum Dew Point		57		56		42		+15		57		in	2019		29		in	2002
Average  Dew Point		61		60		48		+13		61		in	2019		34		in	2002
Maximum Humidity		100%		100%		93%		+7%		100%		in	2019		68%		in	1981
Minimum Humidity		72%		82%		56%		+16%		90%		in	1972		24%		in	1981
Average Humidity		86%		91%		75%		+11%		95%		in	1969		46%		in	1981
Maximum Barometer		29.98		30.09		30.05		-00.07		30.58		in	1992		29.65		in	2008
Minimum Barometer		29.70		29.88		29.83		-00.13		30.26		in	2009		29.32		in	1968
Average Barometer		29.84		29.99		29.94		-00.10		30.36		in	1992		29.51		in	1968
Average Wind		9.5		7.0		6.6		+2.9		14.3		in	1985		1.2		in	1996
Direction		SSW		SSW		NNE				SSW					SSW
High Wind Gust		22		24		22		-0		51		in	1963		12		in	1951
Direction		SSW		SW		NNE				SSW					SE
High Heat Index										88		in	1996
Wind Chill															38		in	1992
Maximum Water Temp		53.2		54.0		56.6		-3.4		61.9		in	2012		52.5		in	1997
Minimum Water Temp		50.9		51.3		53.1		-2.2		57.7		in	2012		50.4		in	1997
Average Water Temp		52.1		52.7		54.9		-2.8		59.8		in	2012		51.5		in	1997
Sunrise/ AM Twilight		5:20:56 AM						4:48:50 AM
Sunset / PM Twilight		8:02:42 PM						8:34:49 PM
Length Of Day		14:41:46
Special Conditions		Dense Fog, Haze
Comments
		May 20, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		60.9		64.5		63.1		-2.2		69.0		in	1918		56.0		in	1966
Avg Minimum Temperature		46.2		49.8		46.5		-0.4		49.9		in	1930		41.3		in	1967
Average Temperature		53.5		57.1		54.7		-1.2		59.1		in	1930		48.9		in	1966
Total Precipitation		3.27		1.63		2.38		+.89		6.87		in	2006		.09		in	2001
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		226		152		207		+19		318		in	1966		125		in	1993
Total CDD		1		0		0		+1		27		in	2001		0		in	2018
Avg Maximum Dew Point		51.9		55.5		50.1		+1.7		56.9		in	2004		42.5		in	1967
Avg Minimum Dew Point		42.1		44.9		38.0		+4.1		46.7		in	1953		30.3		in	1967
Average  Dew Point		47.0		50.2		44.1		+2.9		50.7		in	1953		36.4		in	1967
		May 20, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		20.93		22.44		19.29		+1.64		34.03		in	1983		10.81		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)		5436		5253		5510		-74		6456		in	1905		4460		in	2012
Total CDD (since Jan 1)		1		0		0		+1		27		in	2001		0		in	2018
Hour-by-Hour Weather For May 20, 2019
Climate Weather for May 20
Weather History For May 20
Weather Calendar
Back To Weather Stat Page
Home