Portsmouth Rhode Island Weather Almanac
Tuesday, October 18, 2022
Cloudy and Light Rain early, Partly Cloudy Day to Clear PM and Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		October 18, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		65		60		61		+4		77		in	1908		46		in	1939
Minimum Temperature		47		47		47		+0		63		in	1928		29		in	1978
Average Temperature		56		54		54		+2		68		in	2016		39		in	1939
Month Avg Max Temperature		64.1		69.1		64.2		-0.1		71.9		in	1990		55.6		in	1896
Month Avg Min Temperature		50.3		55.1		49.6		+0.8		55.1		in	2021		39.6		in	1981
Month Average Temperature		57.4		62.4		57.1		+0.4		63.6		in	1990		49.8		in	1981
High Heat Index										78		in	1908
Low Wind Chill		46		42											26		in	2009
Heating Degree Days		9		11		11		-2		26		in	1939		0		in	2016
Month HDD		137		56		143		-6		273		in	1981		54		in	1990
Season HDD		194		81		223		-29		415		in	1956		81		in	2021
Cooling Degree Days		0		0		0		+0		3		in	2016		0		in
Month CDD		1		9		6		-5		48		in	1954		0		in
Year CDD		778		795		609		+169		868		in	2020		290		in	1902
Maximum Dew Point		60		46		52		+8		67		in	2016		29		in	1972
Minimum Dew Point		37		41		40		-3		60		in	2016		19		in	2018
Average  Dew Point		49		44		46		+3		64		in	2016		26		in	2018
Month Avg Max Dew Point		56.6		60.6		55.6		+0.9		60.7		in	1990		44.1		in	1981
Month Avg Min Dew Point		46.6		52.8		43.7		+2.9		52.8		in	2021		32.2		in	1981
Month Average Dew Point		51.8		56.9		49.6		+2.2		56.9		in	2021		38.1		in	1981
Precipitation		.10		.00		.14		-.04		3.38		in	1932
One Hour		.05		.00						.43		in	1990
Hourly Rate		.11		.00						.42		in	2009
Month Precipitation		4.14		1.50		2.52		+1.62		8.13		in	2005		.01		in	1963
Year Precipitation		33.95		40.60		35.60		-1.65		51.27		in	1998		18.89		in	1957
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		0.0		+0.0		0.7		in	1979				in
Season Snow		0.0		0.0		0.0		+0.0		0.7		in	1979				in
		October 18, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		85%		90%		+9%		100%		in	2016		62%		in	1958
Minimum Humidity		50%		50%		54%		-4%		94%		in	1989		29%		in	1958
Average Humidity		75%		68%		72%		+3%		96%		in	1989		46%		in	1958
Maximum Barometer		29.68		29.86		30.12		-00.44		30.63		in	1985		29.57		in	1964
Minimum Barometer		29.55		29.71		29.88		-00.33		30.40		in	2020		29.34		in	1903
Average Barometer		29.62		29.79		30.00		-00.39		30.47		in	2020		29.53		in	1964
Average Wind		5.8		9.3		7.3		-1.5		15.3		in	2009		2.2		in	1994
Direction		WNW		NW		W				NNE					NW
High Wind Gust		23		26		24		-1		43		in	1999		10		in	1994
Direction		SSW		NW		SSW				NNW					SSE
Maximum Water Temp		63.5		66.0		61.3		+2.2		66.0		in	2021		56.7		in	2009
Minimum Water Temp		62.4		63.9		59.5		+2.9		63.9		in	2021		53.6		in	2009
Average Water Temp		63.0		65.0		60.4		+2.5		65.0		in	2021		55.2		in	2009
Sunrise/ AM Twilight		7:00:29 AM						6:33:08 AM
Sunset / PM Twilight		5:59:15 PM						6:27:30 PM
Length Of Day		10:58:46
Special Conditions		Fog
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