Portsmouth Rhode Island Weather Almanac
Thursday, April 27, 2023
Partly Cloudy, Light Sprinkles early Afternoon, Light Wind and Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		April 27, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		55		58		59		-4		81		in	1915		43		in	2020
Minimum Temperature		41		41		43		-2		53		in	2011		33		in	1987
Average Temperature		48		50		51		-3		66		in	1935		40		in	1898
Month Avg Max Temperature		59.1		57.0		54.7		+4.4		61.1		in	1976		47.9		in	1907
Month Avg Min Temperature		42.9		40.7		39.0		+3.9		43.3		in	2010		33.3		in	1943
Month Average Temperature		51.3		49.0		47.1		+4.1		52.0		in	2010		41.4		in	1907
High Heat Index										79		in	1935
Low Wind Chill		41		33		37		+4							23		in	1993
Heating Degree Days		17		15		14		+3		25		in	1898		0		in	1935
Month HDD		376		431		483		-107		637		in	1907		352		in	2010
Season HDD		4443		4731		5133		-690		6212		in	1904		4238		in	2012
Cooling Degree Days		0		0		0		+0		1		in	1935				in
Month CDD		5		0		0		+5		13		in	1976				in
Year CDD		5		0		0		+5		13		in	1976				in
Maximum Dew Point		47		51		47		+0		60		in	2011		27		in	1966
Minimum Dew Point		39		25		34		+5		53		in	2011		6		in	1966
Average  Dew Point		43		38		40		+3		57		in	2011		17		in	1966
Month Avg Max Dew Point		47.3		44.6		42.4		+4.9		47.3		in	2019		33.7		in	1965
Month Avg Min Dew Point		35.0		30.3		29.2		+5.8		36.6		in	2010		20.1		in	1982
Month Average Dew Point		41.1		37.5		35.8		+5.4		41.6		in	2010		28.5		in	1965
Precipitation		T		.05		.14		+.00		1.77		in	1937
One Hour		T		.04						.58		in	1982
Hourly Rate		.00		.08						3.79		in	2007
Month Precipitation		1.55		3.50		3.85		-2.30		11.92		in	1983		.47		in	1963
Year Precipitation		15.05		16.40		15.31		-.26		31.19		in	1983		7.51		in	1985
Snow		0.0		0.0		0.0		+0.0		0.0		in					in
Snow Depth		0		0						0		in					in
Month Snow		0.0		0.0		0.5		-0.5		9.6		in	1996		0.0		in	2023
Season Snow		9.1		34.2		33.5		-24.4		84.1		in	1996		5.0		in	1998
		April 27, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		98%		89%		+6%		100%		in	2019		53%		in	1981
Minimum Humidity		71%		39%		52%		+19%		96%		in	1973		24%		in	1966
Average Humidity		83%		69%		71%		+12%		98%		in	1973		41%		in	1966
Maximum Barometer		30.26		29.87		30.05		+00.21		30.60		in	1966		29.45		in	2010
Minimum Barometer		30.20		29.73		29.81		+00.39		30.32		in	2013		29.20		in	2019
Average Barometer		30.23		29.80		29.93		+00.30		30.41		in	1958		29.33		in	2010
Average Wind		4.2		10.6		7.1		-2.9		17.7		in	2020		2.9		in	2008
Direction		SSW		WNW		N				N					E
High Wind Gust		20		31		24		-4		47		in	1947		11		in	2008
Direction		S		WNW		NNW				SW					ESE
Maximum Water Temp		52.3		50.9		49.4		+2.9		56.5		in	2007		40.8		in	2020
Minimum Water Temp		51.3		48.4		46.8		+4.5		52.0		in	2012		39.7		in	2020
Average Water Temp		51.8		49.7		48.1		+3.7		53.1		in	2012		40.3		in	2020
Sunrise/ AM Twilight		5:47:40 AM						5:16:08 AM
Sunset / PM Twilight		7:38:27 PM						8:09:37 PM
Length Of Day		13:50:47
Special Conditions		None
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