Portsmouth Rhode Island Weather Almanac
Thursday, January 20, 2022
Mostly Cloudy, Light Rain, Light Snow, Fog & Warm early, Cloudy Day to Mostly Cloudy PM and Colder
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		January 20, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		43		39		37		+6		56		in	1947		15		in	1994
Minimum Temperature		22		24		23		-1		43		in	1900		-1		in	1971
Average Temperature		33		32		30		+3		50		in	1900		8		in	1971
Month Avg Max Temperature		39.6		41.8		38.5		+1.1		46.2		in	2007		26.5		in	1981
Month Avg Min Temperature		21.8		30.0		24.8		-3.0		32.6		in	1932		9.4		in	1957
Month Average Temperature		30.9		36.1		31.8		-0.9		39.5		in	2007		18.3		in	1981
High Heat Index
Low Wind Chill		9		14		11		-2							-28		in	1971
Heating Degree Days		32		33		35		-3		57		in	1971		15		in	1900
Month HDD		683		578		665		+18		934		in	1981		510		in	2007
Season HDD		2239		2226		2535		-296		3290		in	1918		1948		in	2016
Cooling Degree Days		0		0		0		+0				in					in
Month CDD		0		0		0		+0		0		in					in
Year Cooling Degree Days												in					in
Maximum Dew Point		37		30		29		+8		52		in	1986		-2		in	1971
Minimum Dew Point		8		12		13		-5		38		in	1995		-13		in	1971
Average  Dew Point		23		21		21		+2		44		in	1986		-8		in	1971
Month Avg Max Dew Point		21.8		27.5		31.1		-9.2		37.1		in	1950		12.9		in	1981
Month Avg Min Dew Point		10.5		22.9		15.0		-4.5		24.8		in	2006		-5.9		in	1981
Month Average Dew Point		16.3		25.3		23.1		-6.8		32.2		in	2006		3.5		in	1981
Precipitation		.17		T		.12		+.05		2.28		in	2019
One Hour		.03		.00						.36		in	2019
Hourly Rate		.00		.00						6.06		in	2019
Month Precipitation		2.78		1.59		2.42		+.36		7.08		in	1979		.50		in	1902
Year Precipitation		2.78		1.59		2.42		+.36		7.08		in	1979		.50		in	1902
Snow		0.3		T		0.3		+0.0		10.4		in	1978				in
Snow Depth		0		0						10		in	1936				in
Month Snow		4.8		0.3		6.0		-1.2		25.8		in	1996		0.0		in	2007
Season Snow		5.6		8.3		13.1		-7.5		41.6		in	1996		0.2		in	1914
		January 20, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		97%		87%		84%		+13%		100%		in	2019		54%		in	1983
Minimum Humidity		55%		53%		53%		+2%		92%		in	1995		24%		in	2003
Average Humidity		76%		70%		69%		+7%		96%		in	1995		44%		in	1983
Maximum Barometer		30.33		30.00		30.09		+00.24		30.89		in	1957		29.49		in	1985
Minimum Barometer		29.94		29.78		29.76		+00.18		30.54		in	1957		28.93		in	1964
Average Barometer		30.14		29.89		29.93		+00.21		30.72		in	1957		29.33		in	1986
Average Wind		7.2		8.3		8.8		-1.6		22.3		in	1961		1.3		in	1990
Direction		NW		NW		WNW				N					SSE
High Wind Gust		30		32		27		+3		53		in	1978		11		in	2017
Direction		NNE		NNW		WNW				NE					SSW
Maximum Water Temp		42.2		42.1		39.9		+2.3		47.7		in	2007		35.0		in	1997
Minimum Water Temp		39.4		40.8		37.8		+1.6		43.2		in	2007		32.9		in	2018
Average Water Temp		40.8		41.5		38.8		+2.0		45.4		in	2007		34.0		in	1997
Sunrise/ AM Twilight		7:04:54 AM						6:36:19 AM
Sunset / PM Twilight		4:46:01 PM						5:16:18 PM
Length Of Day		9:39:25
Special Conditions		Fog
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