Portsmouth Rhode Island Weather Almanac
Tuesday, March 17, 2020
Cloudy, Morning Light Snow then Rain and Fog, Mostly Cloudy PM and Warmer
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		March 17, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		47		43		46		+1		66		in	2003		25		in	1967
Minimum Temperature		35		30		31		+4		50		in	1990		10		in	1916
Average Temperature		41		37		38		+3		55		in	1990		18		in	1916
Precipitation		.28		.00		.17		+.11		1.60		in	2007
One Hour		.04		.00						.35		in	2007
Snow		0.1		0.0		0.2		-0.1		2.0		in	1932
Snow Depth		0		0						11		in	1896
HDD		24		28		26		-2		47		in	1916		10		in	1990
CDD		0		0		0		+0		0		in
Maximum Dew Point		44		22		34		+10		59		in	1990		9		in	1967
Minimum Dew Point		27		12		20		+7		50		in	1990		-7		in	1961
Average  Dew Point		36		17		27		+9		55		in	1990		2		in	1967
Maximum Humidity		95%		68%		83%		+12%		100%		in	2007		54%		in	1981
Minimum Humidity		70%		31%		47%		+23%		91%		in	1968		23%		in	1959
Average Humidity		83%		50%		65%		+17%		96%		in	1968		41%		in	1961
Maximum Barometer		30.49		30.21		30.05		+00.44		30.61		in	1998		29.22		in	1981
Minimum Barometer		30.00		30.05		29.76		+00.24		30.48		in	1998		28.88		in	1974
Average Barometer		30.25		30.13		29.91		+00.34		30.55		in	1998		29.12		in	1981
Average Wind		8.3		10.4		9.2		-0.9		20.1		in	2000		2.5		in	2012
Direction		SE		WNW		WNW				N					S
High Wind Gust		22		28		28		-6		61		in	1956		9		in	2003
Direction		SE		NW		WNW				NNW					S
Wind Chill		27		20		20		+7							-5		in	1956
Maximum Water Temp		39.0		38.7		40.4		-1.4		46.4		in	2012		36.2		in	2015
Minimum Water Temp		37.9		37.2		38.2		-0.3		44.7		in	2012		34.9		in	2015
Average Water Temp		38.5		38.0		39.3		-0.9		45.6		in	2012		35.6		in	2015
Sunrise/ AM Twilight		6:51:09 AM						6:23:38 AM
Sunset / PM Twilight		6:55:15 PM						7:22:46 PM
Length Of Day		12:04:06
Special Conditions		Fog, Sleet
Comments
		March 17, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		51.2		40.8		44.1		+7.1		52.1		in	1973		32.2		in	1916
Avg Minimum Temperature		34.9		27.5		28.7		+6.2		37.8		in	1973		19.7		in	1950
Average Temperature		43.1		34.1		36.2		+6.9		44.9		in	1973		26.3		in	1916
Total Precipitation		1.08		2.49		2.80		-1.72		5.80		in	2000		.08		in	1915
Total Snow		0.7		9.6		3.5		-2.8		20.3		in	1916		0.0		in	2011
Total HDD		369		520		485		-116		654		in	1916		336		in	1973
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		38.2		31.1		32.4		+5.8		42.1		in	1973		20.1		in	1960
Avg Minimum Dew Point		22.2		17.1		17.4		+4.8		30.2		in	1973		3.6		in	1980
Average  Dew Point		30.2		24.1		24.9		+5.3		36.2		in	1973		14.6		in	1950
		March 17, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		6.89		11.60		10.00		-3.11		19.20		in	1979		4.55		in	1980
Total Snow (since Jul 1 18)		12.9		20.9		29.2		-16.3		75.0		in	2005		4.7		in	1998
Total HDD (since Jul 1 18)		3930		4408		4436		-506		5366		in	1905		3546		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For March 17, 2020
Climate Weather for March 17
Weather History For March 17
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