Portsmouth Rhode Island Weather Almanac
Thursday, October 19, 2023
Mostly Cloudy/Fog early then Partly Cloudy, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 19, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		63		55		61		+2		77		in	2016		42		in	1972
Minimum Temperature		49		39		46		+3		63		in	2007		29		in	1922
Average Temperature		56		47		54		+2		68		in	2016		38		in	1974
Month Avg Max Temperature		66.7		63.6		64.0		+2.7		71.4		in	1990		55.2		in	1896
Month Avg Min Temperature		50.9		49.7		49.4		+1.6		54.6		in	2011		39.8		in	1981
Month Average Temperature		59.1		56.9		56.9		+2.2		63.0		in	1990		49.9		in	1981
High Heat Index										79		in	2016
Low Wind Chill		49		39											27		in	2015
Heating Degree Days		9		18		11		-2		27		in	1974		0		in	Many
Month Heating DD		126		155		154		-28		287		in	1981		66		in	1990
Season Heating DD		187		155		154		+33		435		in	1956		92		in	2021
Cooling Degree Days		0		0		0		-0		3		in	2016		0		in	Many
Month Cooling DD		13		1		6		+7		48		in	1954		0		in	2015
Year Cooling DD		721		771		609		+112		868		in	2020		290		in	1902
Maximum Dew Point		56		40		52		+4		68		in	2016		20		in	1974
Minimum Dew Point		48		34		40		+8		62		in	2007		10		in	1959
Average  Dew Point		52		37		46		+6		64		in	2007		17		in	1959
Month Avg Max Dew Point		57.6		55.7		55.4		+2.2		60.7		in	1990		44.6		in	1981
Month Avg Min Dew Point		48.6		45.9		43.5		+5.2		51.9		in	2021		31.8		in	1981
Month Average Dew Point		53.4		51.1		49.4		+4.0		56.1		in	2021		38.2		in	1981
Precipitation		.00		.00		.14		-.14		2.00		in	1928
One Hour Rain		.00		.00						.36		in	2011
Half Hour Rain		.00		.00						.18		in	2011
Hourly Rain Rate		.00		.00						4.09		in	2007
Month Precipitation		.48		4.14		2.66		-2.18		8.13		in	2005		.01		in	1963
Year Precipitation		42.58		33.95		35.74		+6.84		51.27		in	1998		19.78		in	1957
Snow										T		in	1972
Snow Depth
Month Snow						0.0				0.7		in	1979				in
Season Snow						0.0				0.7		in	1979				in
		October 19, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		95%		90%		+9%		100%		in	2004		62%		in	1959
Minimum Humidity		70%		46%		56%		+14%		93%		in	2007		24%		in	1959
Average Humidity		85%		71%		73%		+11%		97%		in	1968		43%		in	1959
Maximum Barometer		30.20		29.91		30.13		+00.07		30.63		in	1985		29.73		in	1952
Minimum Barometer		30.05		29.68		29.88		+00.17		30.31		in	2020		29.33		in	1967
Average Barometer		30.13		29.80		30.01		+00.12		30.42		in	1985		29.57		in	1967
Average Wind		5.4		5.8		6.7		-1.3		14.6		in	1975		1.7		in	1955
Direction		S		W		SW				NE					NW
High Wind Gust		18		31		23		-5		41		in	1967		10		in	1955
Direction		S		SSW		SW				S					NW
Maximum Water Temp		62.1		63.0		60.9		+1.2		64.4		in	2014		56.3		in	2009
Minimum Water Temp		61.2		60.8		59.2		+2.0		63.2		in	2007		53.6		in	2009
Average Water Temp		61.7		61.9		60.1		+1.6		63.4		in	2016		55.0		in	2009
Sunrise/ AM Twilight		7:01:21 AM						6:34:13 AM
Sunset / PM Twilight		5:58:06 PM						6:26:03 PM
Length Of Day		10:56:06
Special Conditions		Dense Fog
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