Portsmouth Rhode Island Weather Almanac
Saturday, January 4, 2020
Cloudy, Rain and Fog, Light Winds and Continued Very Warm
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2020
		January 4, 2020								Record					Record
Observed Daily Data		Observed		2019		Normal		Depart		Highest					Lowest
Maximum Temperature		46		43		39		+7		59		in	2000		9		in	1904
Minimum Temperature		40		32		24		+16		51		in	1950		-4		in	1981
Average Temperature		43		38		31		+12		54		in	1950		4		in	1904
Precipitation		.26		.00		.12		+.14		1.85		in	1944
One Hour		.05		.00						.30		in	1982
Snow		0.0		0.0		0.2		-0.2		12.5		in	2018
Snow Depth		0		0						19		in	1948
HDD		22		27		33		-11		61		in	1904		11		in	1950
CDD		0				0		+0		0		in
Maximum Dew Point		45		38		30		+15		57		in	2000		7		in	1981
Minimum Dew Point		39		26		14		+25		46		in	1950		-24		in	1981
Average  Dew Point		42		32		22		+20		50		in	2000		-9		in	1981
Maximum Humidity		98%		84%		85%		+13%		100%		in	2017		44%		in	1965
Minimum Humidity		91%		64%		56%		+35%		91%		in	2020		25%		in	2002
Average Humidity		95%		74%		71%		+24%		95%		in	2015		37%		in	1965
Maximum Barometer		29.80		30.01		30.11		-00.31		30.86		in	1983		29.60		in	2017
Minimum Barometer		29.43		29.81		29.76		-00.33		30.38		in	2008		28.79		in	2018
Average Barometer		29.62		29.91		29.94		-00.32		30.53		in	1983		29.43		in	2018
Average Wind		4.9		6.1		8.6		-3.7		19.4		in	1951		1.9		in	1997
Direction		N		SW		W				SSW					N
High Wind Gust		21		21		27		-6		56		in	1944		10		in	1956
Direction		NNW		SW		W				NE					SW
Wind Chill		33		30		15		+18							-38		in	1904
Maximum Water Temp		39.5		41.5		41.8		-2.3		48.9		in	2007		36.1		in	2001
Minimum Water Temp		37.4		39.9		39.8		-2.4		47.7		in	2007		33.2		in	2008
Average Water Temp		38.5		40.7		40.8		-2.3		48.3		in	2007		35.3		in	2001
Sunrise/ AM Twilight		7:11:41 AM						6:40:42 AM
Sunset / PM Twilight		4:29:17 PM						5:00:17 PM
Length Of Day		9:17:36
Special Conditions		Dense Fog
Comments
		January 4, 2020								Record					Record
Month-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		45.5		45.5		39.0		+6.5		55.3		in	2000		13.8		in	1918
Avg Minimum Temperature		37.5		32.0		24.0		+13.5		39.0		in	2000		0.8		in	1918
Average Temperature		41.5		38.8		31.3		+10.3		47.1		in	2000		7.3		in	1918
Total Precipitation		.26		.73		.48		-.22		3.53		in	1919		.00		in	2013
Total Snow		0.0		0.0		0.8		-0.8		12.5		in	2018		0.0		in	2020
Total HDD		93		104		132		-39		230		in	1918		71		in	2000
Total CDD		0		0		0		+0		0		in			0		in
Avg Maximum Dew Point		41.5		40.8		30.5		+11.0		50.3		in	2000		14.3		in	1981
Avg Minimum Dew Point		32.0		21.8		13.9		+18.1		36.3		in	2000		-10.8		in	1981
Average  Dew Point		36.8		31.3		22.2		+14.6		43.3		in	2000		1.8		in	1981
		January 4, 2020								Record					Record
Year-to-Date Summary		Observed		2019		Normal		Depart		Highest					Lowest
Total Precipitation		.26		.73		.48		-.22		3.53		in	1919		.00		in	2013
Total Snow (since Jul 1 19)		8.4		4.4		9.4		-1.0		31.1		in	1905		T		in	2000
Total HDD (since Jul 1 19)		1973		2033		2083		-110		2677		in	1918		1443		in	2016
Total CDD (since Jan 1)		0		0		0		+0		0		in			0		in
Hour-by-Hour Weather For January 4, 2020
Climate Weather for January 4
Weather History For January 4
Weather Calendar
Back To Weather Stat Page
Home