Portsmouth Rhode Island Weather Almanac
Sunday, December 26, 2021
Cloudy, Rain & Fog early, Mostly Cloudy Daty to Partly Cloudy PM, Windy and Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2021
		December 26, 2021								Record					Record
Observed Daily Data		2021		2020		Norm		Depart		Highest					Lowest
Maximum Temperature		42		36		41		+1		61		in	1982		15		in	1914
Minimum Temperature		34		27		28		+6		47		in	1964		-3		in	1980
Average Temperature		38		32		34		+4		52		in	2015		7		in	1968
Month Avg Max Temperature		46.7		43.2		43.7		+3.0		55.0		in	2015		30.8		in	1989
Month Avg Min Temperature		33.7		31.5		30.6		+3.0		42.7		in	2015		14.3		in	1989
Month Average Temperature		40.4		37.6		37.1		+3.3		49.2		in	2015		22.8		in	1989
High Heat Index
Low Wind Chill		25		17		15		+10							-25		in	1968
Heating Degree Days		27		33		31		-4		58		in	1968		13		in	2015
Month HDD		639		713		723		-84		1097		in	1989		412		in	2015
Season HDD		1433		1506		1713		-280		2324		in	1904		1207		in	2015
Cooling Degree Days		0		0		0		+0				in					in
Month CDD		0		0		0		+0		0		in					in
Year Cooling Degree Days		795		871		609		+186		871		in	2020		290		in	1902
Maximum Dew Point		37		28		34		+3		55		in	1964		-15		in	1968
Minimum Dew Point		25		17		18		+7		44		in	1964		-24		in	1968
Average  Dew Point		31		23		26		+5		50		in	1964		-20		in	1968
Month Avg Max Dew Point		40.3		37.1		34.6		+5.6		49.8		in	2015		15.3		in	1989
Month Avg Min Dew Point		21.6		23.9		19.2		+2.4		37.4		in	2015		-1.2		in	1989
Month Average Dew Point		31.1		30.7		26.9		+4.2		43.8		in	2015		7.1		in	1989
Precipitation		.11		.00		.14		-.03		2.05		in	1969
One Hour		.07		.00						.43		in	1969
Hourly Rate		.16		.00						.38		in	2006
Month Precipitation		1.44		6.08		3.86		-2.42		9.28		in	1936		.47		in	1943
Year Precipitation		47.02		42.96		45.29		+1.73		65.27		in	1983		27.66		in	1965
Snow		0.0		0.0		0.3		-0.3		9.1		in	1947				in
Snow Depth		0		0						7		in	1905				in
Month Snow		0.8		7.4		5.0		-4.2		21.3		in	1981		0.0		in	2015
Season Snow		0.8		8.0		5.6		-4.8		22.3		in	1904		0.0		in	2015
		December 26, 2021								Record					Record
Observed Daily Data		2021		2020		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		78%		84%		+15%		100%		in	2006		35%		in	1968
Minimum Humidity		65%		51%		55%		+10%		92%		in	1975		23%		in	1968
Average Humidity		82%		65%		69%		+13%		96%		in	1975		29%		in	1968
Maximum Barometer		29.98		29.98		30.17		-00.19		30.77		in	2016		29.47		in	2005
Minimum Barometer		29.53		29.69		29.77		-00.24		30.45		in	2008		28.90		in	2010
Average Barometer		29.76		29.84		29.97		-00.22		30.54		in	2008		29.29		in	2005
Average Wind		11.1		10.5		8.9		+2.2		21.4		in	1957		2.7		in	1981
Direction		NW		WNW		NW				SE					ESE
High Wind Gust		28		36		28		-0		60		in	1957		12		in	1972
Direction		NNW		SW		NNW				SE					N
Maximum Water Temp		47.3		47.3		44.1		+3.2		50.5		in	2015		37.2		in	2000
Minimum Water Temp		45.0		44.1		41.7		+3.3		49.6		in	2015		33.1		in	2000
Average Water Temp		46.2		45.7		42.9		+3.3		50.1		in	2015		35.2		in	2000
Sunrise/ AM Twilight		7:10:27 AM						6:40:44 AM
Sunset / PM Twilight		4:21:15 PM						4:50:59 PM
Length Of Day		9:10:48
Special Conditions		Fog
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