Portsmouth Rhode Island Weather Almanac
Tuesday, April 25, 2023
Mostly Cloudy & Light Fog early then Partly Cloudy, Continued Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		April 25, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		60		60		58		+2		72		in	1982		38		in	1919
Minimum Temperature		42		37		42		+0		50		in	1913		29		in	1919
Average Temperature		51		49		50		+1		59		in	1913		34		in	1919
Month Avg Max Temperature		59.4		57.1		54.3		+5.1		61.9		in	1976		47.2		in	1907
Month Avg Min Temperature		42.9		40.6		38.7		+4.2		43.2		in	2010		32.6		in	1943
Month Average Temperature		51.4		49.1		46.8		+4.6		52.2		in	2010		40.7		in	1907
High Heat Index												in
Low Wind Chill		40		37		36		+4							19		in	1919
Heating Degree Days		14		16		15		-1		31		in	1919		6		in	1913
Month HDD		344		398		455		-111		608		in	1907		321		in	2010
Season HDD		4411		4698		5105		-694		6180		in	1904		4205		in	2012
Cooling Degree Days		0		0		0		+0				in					in
Month CDD		5		0		0		+5		13		in	1976				in
Year CDD		5		0		0		+5		13		in	1976				in
Maximum Dew Point		48		41		46		+2		58		in	1961		29		in	1956
Minimum Dew Point		35		30		33		+2		46		in	2011		9		in	2004
Average  Dew Point		42		36		40		+2		51		in	2011		21		in	1989
Month Avg Max Dew Point		47.4		44.1		42.1		+5.3		48.0		in	1987		33.0		in	1965
Month Avg Min Dew Point		34.6		30.2		28.8		+5.8		36.4		in	2010		18.4		in	1982
Month Average Dew Point		41.0		37.1		35.4		+5.5		41.5		in	2010		27.0		in	1982
Precipitation		.00		.00		.14		-.14		1.79		in	1931
One Hour		.00		.00						.45		in	2018
Hourly Rate		.00		.00						1.94		in	2017
Month Precipitation		1.55		3.27		3.57		-2.02		11.90		in	1983		.47		in	1963
Year Precipitation		15.05		16.17		15.03		+.02		31.17		in	1983		7.48		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 25, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		98%		93%		89%		+9%		100%		in	2018		64%		in	1959
Minimum Humidity		45%		35%		49%		-4%		91%		in	1986		17%		in	1989
Average Humidity		72%		64%		69%		+3%		96%		in	1986		46%		in	1982
Maximum Barometer		30.19		30.30		30.03		+00.16		30.56		in	1957		29.41		in	1983
Minimum Barometer		30.06		30.23		29.77		+00.29		30.25		in	2004		29.01		in	1983
Average Barometer		30.13		30.27		29.90		+00.22		30.40		in	1957		29.21		in	1983
Average Wind		5.6		4.0		7.5		-1.9		18.0		in	1986		2.6		in	1981
Direction		SSW		SSE		SW				NNE					N
High Wind Gust		20		17		25		-5		53		in	1928		14		in	1981
Direction		S		SSE		NW				NW					N
Maximum Water Temp		51.8		50.9		49.6		+2.2		55.4		in	2007		43.0		in	2020
Minimum Water Temp		49.5		48.7		46.6		+2.9		51.3		in	2012		39.6		in	2020
Average Water Temp		50.7		49.8		48.1		+2.5		52.5		in	2012		41.3		in	2020
Sunrise/ AM Twilight		5:50:30 AM						5:19:05 AM
Sunset / PM Twilight		7:36:17 PM						8:07:16 PM
Length Of Day		13:45:47
Special Conditions		Light Fog
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