Portsmouth Rhode Island Weather Almanac
Thursday, March 12, 2020
Clear early, Mostly Cloudy Day to Cloudy PM, Cooler
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		March 12, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		49		43		45		+4		65		in	1973		26		in	2017
Minimum Temperature		32		32		29		+3		44		in	1982		9		in	1900
Average Temperature		41		38		37		+4		55		in	1973		19		in	1900
Precipitation		.00		.00		.17		-.17		2.05		in	1985
One Hour		.00		.00						.59		in	1959
Snow		0.0		0.0		0.2		-0.2		7.6		in	1939
Snow Depth		0		T						12		in	1941
HDD		24		27		28		-4		46		in	1900		10		in	1973
CDD		0		0		0		+0		0		in
Maximum Dew Point		40		26		33		+7		53		in	1973		1		in	1984
Minimum Dew Point		31		21		18		+13		44		in	1982		-10		in	1984
Average  Dew Point		36		24		26		+10		47		in	1982		-5		in	1984
Maximum Humidity		94%		69%		83%		+11%		100%		in	2013		44%		in	1984
Minimum Humidity		61%		46%		48%		+13%		91%		in	2013		19%		in	1974
Average Humidity		78%		58%		66%		+12%		96%		in	2013		33%		in	1974
Maximum Barometer		30.24		30.25		30.15		+00.09		30.72		in	1995		29.30		in	1983
Minimum Barometer		30.11		29.99		29.79		+00.32		30.56		in	1995		28.90		in	1983
Average Barometer		30.18		30.12		29.97		+00.20		30.64		in	1995		29.10		in	1983
Average Wind		6.7		12.7		8.4		-1.7		18.0		in	1980		2.8		in	1964
Direction		SE		NW		WNW				WNW					SW
High Wind Gust		21		28		27		-6		47		in	1980		12		in	1964
Direction		ESE		NW		WNW				W					S
Wind Chill		31		23		20		+11							-8		in	1984
Maximum Water Temp		39.2		37.4		39.4		-0.2		45.8		in	2012		35.1		in	2005
Minimum Water Temp		37.8		36.0		37.8		-0.0		43.7		in	2012		33.6		in	2017
Average Water Temp		38.5		36.7		38.7		-0.2		44.8		in	2012		34.8		in	2005
Sunrise/ AM Twilight		6:59:34 AM						6:32:03 AM
Sunset / PM Twilight		6:49:40 PM						7:17:10 PM
Length Of Day		11:50:06
Special Conditions		None
Comments
		March 12, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		51.8		37.8		43.5		+8.3		52.5		in	1894		32.1		in	1916
Avg Minimum Temperature		34.8		24.6		28.2		+6.7		36.4		in	1973		18.2		in	1950
Average Temperature		43.3		31.2		35.6		+7.8		43.8		in	1973		26.1		in	1916
Total Precipitation		.39		2.41		1.95		-1.56		5.49		in	1983		T		in	1894
Total Snow		0.6		9.6		2.5		-1.9		18.9		in	1941		0.0		in	2011
Total HDD		258		402		350		-92		464		in	1916		250		in	1973
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		38.7		27.9		31.8		+6.8		41.4		in	1973		17.9		in	1960
Avg Minimum Dew Point		23.3		14.3		16.7		+6.6		30.6		in	1973		2.4		in	1950
Average  Dew Point		31.0		21.1		24.3		+6.7		36.0		in	1973		11.6		in	1960
		March 12, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		6.20		11.52		9.15		-2.95		18.97		in	1979		3.23		in	1980
Total Snow (since Jul 1 18)		12.8		20.9		28.2		-15.4		75.0		in	2005		4.7		in	1998
Total HDD (since Jul 1 18)		3819		4290		4301		-482		5210		in	1918		3462		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For March 12, 2020
Climate Weather for March 12
Weather History For March 12
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