Portsmouth Rhode Island Weather Almanac
Wednesday, March 11, 2020
Partly Cloudy and Continued Very Warm
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		March 11, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		57		50		45		+12		63		in	1977		22		in	2017
Minimum Temperature		39		36		29		+10		44		in	1925		9		in	1939
Average Temperature		48		43		37		+11		50		in	2016		19		in	2017
Precipitation		.00		.00		.17		-.17		3.38		in	2000
One Hour		.00		.00						.87		in	2000
Snow		0.0		0.0		0.2		-0.2		4.4		in	1924
Snow Depth		0		1						13		in	1941
HDD		17		22		28		-11		46		in	2017		15		in	2016
CDD		0		0		0		+0		0		in
Maximum Dew Point		48		38		33		+15		54		in	2016		7		in	1960
Minimum Dew Point		31		23		18		+13		38		in	2011		-10		in	1953
Average  Dew Point		40		31		25		+15		46		in	2016		-1		in	1960
Maximum Humidity		90%		98%		84%		+6%		100%		in	2015		44%		in	1974
Minimum Humidity		41%		53%		47%		-6%		94%		in	2011		16%		in	1957
Average Humidity		66%		76%		65%		+0%		97%		in	2011		37%		in	1974
Maximum Barometer		30.14		30.10		30.12		+00.02		30.81		in	1996		29.43		in	1969
Minimum Barometer		29.89		29.90		29.79		+00.10		30.44		in	1995		28.94		in	1992
Average Barometer		30.02		30.00		29.96		+00.06		30.62		in	1996		29.24		in	1992
Average Wind		7.9		6.8		8.4		-0.5		18.2		in	2017		1.1		in	1996
Direction		NW		SW		WNW				WNW					SSE
High Wind Gust		22		21		28		-6		52		in	1955		11		in	1996
Direction		NW		NW		WNW				SSW					S
Wind Chill		36		29		18		+18							-6		in	1960
Maximum Water Temp		39.7		37.6		39.5		+0.2		44.2		in	2012		35.2		in	2005
Minimum Water Temp		38.1		36.1		37.7		+0.4		42.4		in	2012		32.6		in	2003
Average Water Temp		38.9		36.9		38.6		+0.3		43.3		in	2012		34.0		in	2003
Sunrise/ AM Twilight		7:01:14 AM						6:33:43 AM
Sunset / PM Twilight		6:48:33 PM						7:16:03 PM
Length Of Day		11:47:19
Special Conditions		None
Comments
		March 11, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		52.1		37.3		43.4		+8.7		52.7		in	1894		31.8		in	1916
Avg Minimum Temperature		35.1		23.9		28.1		+7.0		35.7		in	1973		16.7		in	1950
Average Temperature		43.6		30.6		35.5		+8.1		43.8		in	1974		26.0		in	1916
Total Precipitation		.39		2.41		1.78		-1.39		5.20		in	1994		T		in	1894
Total Snow		0.6		9.6		2.3		-1.7		18.9		in	1941		0.0		in	2011
Total HDD		234		375		322		-88		426		in	1916		229		in	1974
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		38.5		28.1		31.7		+6.8		40.4		in	1973		17.1		in	1960
Avg Minimum Dew Point		22.6		13.6		16.6		+6.1		29.8		in	1973		0.3		in	1950
Average  Dew Point		30.6		20.9		24.1		+6.4		35.1		in	1973		11.3		in	1953
		March 11, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		6.20		11.52		8.98		-2.78		18.97		in	1979		3.23		in	1980
Total Snow (since Jul 1 18)		12.8		20.9		28.0		-15.2		74.5		in	1996		4.7		in	1998
Total HDD (since Jul 1 18)		3795		4263		4273		-478		5182		in	1918		3437		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For March 11, 2020
Climate Weather for March 11
Weather History For March 11
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