Portsmouth Rhode Island Weather Almanac
Tuesday, May 21, 2019
Clear, Warm and Very Windy
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2019
		May 21, 2019								Record					Record
Observed Daily Data		Observed		2018		Normal		Depart		Highest					Lowest
Maximum Temperature		69		70		66		+3		85		in	1921		47		in	1929
Minimum Temperature		53		52		49		+4		64		in	1903		38		in	2002
Average Temperature		61		61		58		+3		73		in	1996		45		in	1990
Precipitation		.00		.00		.11		-.11		1.10		in	1986
One Hour		.00		.00						.48		in	1986
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		4		4		7		-3		20		in	1990		0		in	2013
CDD		0		0		0		+0		8		in	1996
Maximum Dew Point		60		61		53		+7		70		in	1996		32		in	1967
Minimum Dew Point		37		42		43		-6		58		in	1986		25		in	1967
Average  Dew Point		49		52		48		+1		63		in	1996		29		in	1967
Maximum Humidity		92%		95%		91%		+1%		100%		in	2013		60%		in	1967
Minimum Humidity		38%		38%		54%		-16%		96%		in	1954		14%		in	1992
Average Humidity		65%		67%		72%		-7%		98%		in	1954		45%		in	1967
Maximum Barometer		30.02		30.18		30.05		-00.03		30.46		in	1987		29.53		in	2008
Minimum Barometer		29.71		30.01		29.84		-00.13		30.26		in	2017		29.12		in	1973
Average Barometer		29.87		30.10		29.95		-00.08		30.32		in	2017		29.40		in	1973
Average Wind		13.6		5.9		6.3		+7.3		16.3		in	1985		2.1		in	1994
Direction		NW		N		SSW				SSW					N
High Wind Gust		33		16		22		+11		37		in	1956		12		in	2016
Direction		NW		SSE		SSW				NW					SSW
High Heat Index										84		in	1996
Wind Chill															37		in	2002
Maximum Water Temp		52.9		55.6		56.9		-4.0		60.6		in	2013		52.7		in	2005
Minimum Water Temp		49.6		51.3		53.3		-3.7		57.9		in	1998		49.2		in	2005
Average Water Temp		51.3		53.5		55.2		-3.9		59.1		in	1998		51.0		in	2005
Sunrise/ AM Twilight		5:20:08 AM						4:47:56 AM
Sunset / PM Twilight		8:03:38 PM						8:35:51 PM
Length Of Day		14:43:30
Special Conditions		None
Comments
		May 21, 2019								Record					Record
Month-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		61.2		64.8		63.2		-2.0		69.1		in	1918		56.7		in	1966
Avg Minimum Temperature		46.5		49.9		46.6		-0.1		49.9		in	2018		41.4		in	1956
Average Temperature		53.9		57.3		54.8		-1.0		59.0		in	1930		49.4		in	1966
Total Precipitation		3.27		1.63		2.49		+.78		6.96		in	2006		.09		in	2001
Total Snow		0.0		0.0		T		+0.0		1.7		in	1977		0.0		in
Total HDD		230		156		214		+16		324		in	1966		127		in	1918
Total CDD		1		0		0		+1		27		in	2001		0		in	2018
Avg Maximum Dew Point		52.2		55.8		50.3		+2.0		57.2		in	2004		42.0		in	1967
Avg Minimum Dew Point		41.8		44.7		38.2		+3.6		46.7		in	1953		30.0		in	1967
Average  Dew Point		47.0		50.2		44.3		+2.8		50.7		in	1953		36.0		in	1967
		May 21, 2019								Record					Record
Year-to-Date Summary		Observed		2018		Normal		Depart		Highest					Lowest
Total Precipitation		20.93		22.44		19.40		+1.53		34.08		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)		5440		5257		5517		-77		6467		in	1905		4465		in	2012
Total CDD (since Jan 1)		1		0		0		+1		27		in	2001		0		in	2018
Hour-by-Hour Weather For May 21, 2019
Climate Weather for May 21
Weather History For May 21
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