Portsmouth Rhode Island Weather Almanac
Tuesday, February 18, 2020
Partly Cloudy early, Most Cloudy Day w/Light Rain then Dense Fog PM, Continued Warm
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		February 18, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		47		33		40		+7		56		in	1976		15		in	1958
Minimum Temperature		30		24		25		+5		40		in	2008		-3		in	1979
Average Temperature		39		29		33		+6		48		in	2008		7		in	1958
Precipitation		.11		.30		.13		-.02		2.94		in	1998
One Hour		.04		.07						1.02		in	1998
Snow		0.0		1.1		0.3		-0.3		12.0		in	1893
Snow Depth		0		0						24		in	2015
HDD		26		36		33		-7		58		in	1958		17		in	2008
CDD		0		0		0		+0		0		in
Maximum Dew Point		45		32		29		+16		54		in	2008		-1		in	1979
Minimum Dew Point		21		14		13		+8		40		in	2008		-21		in	1979
Average  Dew Point		33		23		21		+11		47		in	2008		-11		in	1979
Maximum Humidity		96%		95%		83%		+13%		100%		in	2018		45%		in	1987
Minimum Humidity		62%		64%		51%		+11%		95%		in	1998		23%		in	2006
Average Humidity		79%		80%		67%		+12%		98%		in	1998		36%		in	1987
Maximum Barometer		30.46		30.24		30.16		+00.30		30.89		in	1979		29.45		in	1958
Minimum Barometer		29.93		29.79		29.80		+00.13		30.57		in	1979		29.14		in	1952
Average Barometer		30.20		30.02		29.99		+00.21		30.73		in	1979		29.40		in	1958
Average Wind		9.0		9.3		8.5		+0.5		19.3		in	1952		2.0		in	1995
Direction		ENE		NNW		N				NNE					SSE
High Wind Gust		23		31		27		-4		52		in	1900		10		in	1995
Direction		SE		NNW		N				N					SW
Wind Chill		23		9		14		+9							-22		in	1958
Maximum Water Temp		36.6		37.0		38.1		-1.5		43.8		in	2012		32.7		in	2015
Minimum Water Temp		35.2		35.4		36.1		-0.9		41.9		in	2012		31.3		in	2007
Average Water Temp		35.9		36.2		37.1		-1.2		42.9		in	2012		32.4		in	2015
Sunrise/ AM Twilight		6:35:28 AM						6:07:20 AM
Sunset / PM Twilight		5:22:44 PM						5:50:52 PM
Length Of Day		10:47:54
Special Conditions		Dense Fog
Comments
		February 18, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		43.5		41.1		38.6		+4.9		44.3		in	1990		22.1		in	1979
Avg Minimum Temperature		30.7		27.7		23.7		+7.1		30.7		in	2020		7.4		in	1979
Average Temperature		37.1		34.4		31.4		+5.7		37.1		in	2020		14.8		in	1979
Total Precipitation		2.75		2.14		2.21		+.54		5.93		in	1988		.07		in	1912
Total Snow		0.0		3.2		5.4		-5.4		26.4		in	2003		0.0		in	2020
Total HDD		495		546		605		-110		901		in	1979		495		in	2020
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		36.7		32.0		27.5		+9.3		38.7		in	2018		2.7		in	1979
Avg Minimum Dew Point		22.6		16.3		11.4		+11.2		22.6		in	2020		-9.0		in	1979
Average  Dew Point		29.6		24.1		19.4		+10.2		29.6		in	2020		-3.1		in	1979
		February 18, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		4.79		7.70		5.90		-1.11		12.38		in	1979		2.33		in	1980
Total Snow (since Jul 1 19)		12.2		8.5		22.4		-10.2		61.1		in	1996		3.5		in	1989
Total HDD (since Jul 1 19)		3260		3550		3633		-373		4477		in	1918		2895		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For February 18, 2020
Climate Weather for February 18
Weather History For February 18
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