Portsmouth Rhode Island Weather Almanac
Friday, May 29, 2020
Dense Fog, Heavy Rain early, Windy, Warm and Muggy
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		May 29, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		66		60		69		-3		90		in	1931		54		in	1946
Minimum Temperature		60		49		51		+9		64		in	2016		40		in	1900
Average Temperature		63		55		60		+3		75		in	1931		50		in	1946
Precipitation		.21		.55		.11		+.10		1.38		in	1982
One Hour		.13		.33						.47		in	1982
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
HDD		2		10		5		-3		15		in	1946		0		in	2016
CDD		0		0		1		-1		10		in	1931
Maximum Dew Point		64		57		56		+8		70		in	2018		40		in	1964
Minimum Dew Point		60		47		47		+13		62		in	2011		31		in	2004
Average  Dew Point		62		52		52		+11		65		in	2011		38		in	1964
Maximum Humidity		97%		97%		91%		+6%		100%		in	2011		60%		in	1975
Minimum Humidity		93%		81%		57%		+36%		93%		in	2020		28%		in	1989
Average Humidity		95%		89%		74%		+21%		95%		in	2020		47%		in	1975
Maximum Barometer		30.12		29.84		30.06		+00.06		30.57		in	1970		29.67		in	2003
Minimum Barometer		29.93		29.69		29.85		+00.08		30.40		in	1970		29.44		in	1990
Average Barometer		30.03		29.77		29.95		+00.07		30.49		in	1970		29.60		in	1969
Average Wind		9.9		8.0		6.2		+3.7		12.3		in	1968		2.0		in	1996
Direction		SSW		N		SSW				SE					ESE
High Wind Gust		23		21		22		+1		37		in	1984		10		in	2009
Direction		SSW		N		SSW				S					SE
High Heat Index										89		in	1931
Wind Chill															37		in	1907
Maximum Water Temp		53.6		55.0		59.8		-6.2		67.8		in	2007		53.6		in	2020
Minimum Water Temp		52.0		52.3		55.8		-3.8		61.3		in	2012		50.9		in	2005
Average Water Temp		52.8		53.7		57.8		-5.0		63.8		in	2012		52.8		in	2020
Sunrise/ AM Twilight		5:14:29 AM						4:41:29 AM
Sunset / PM Twilight		8:11:12 PM						8:44:13 PM
Length Of Day		14:56:43
Special Conditions		Dense Fog
Comments
		May 29, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		64.8		63.4		64.5		+0.3		71.2		in	1991		57.4		in	1917
Avg Minimum Temperature		46.4		47.9		47.6		-1.2		52.2		in	2012		41.8		in	1967
Average Temperature		55.9		55.7		56.0		-0.1		60.2		in	1991		50.3		in	1967
Total Precipitation		3.00		4.01		3.37		-.37		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		267		270		261		+6		426		in	1967		164		in	1918
Total CDD		3		8		7		-4		41		in	1991		0		in	2013
Avg Maximum Dew Point		51.8		53.6		51.6		+0.1		57.6		in	2004		42.2		in	1967
Avg Minimum Dew Point		38.9		42.7		40.1		-1.2		48.4		in	2012		31.3		in	1967
Average  Dew Point		45.5		48.1		45.8		-0.3		53.1		in	2012		36.7		in	1967
		May 29, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		19.20		21.67		20.41		-1.21		35.09		in	1983		11.43		in	1905
Total Snow (since Jul 1 19)		12.9		21.1		31.8		-18.9		84.1		in	1996		5.0		in	1998
Total HDD (since Jul 1 19)		5088		5480		5595		-507		6518		in	1905		4475		in	2012
Total CDD (since Jan 1)		3		8		7		-4.0		41		in	1991		0		in	2013
Hour-by-Hour Weather For May 29, 2020
Climate Weather for May 29
Weather History For May 29
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