Portsmouth Rhode Island Weather Almanac
Tuesday, October 31, 2023
Mostly Cloudy early then Partly Cloudy, Breezy, Much Colder
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 31, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		50		61		57		-7		76		in	1946		42		in	1925
Minimum Temperature		39		44		43		-4		61		in	2019		26		in	1966
Average Temperature		45		53		50		-5		67		in	1946		36		in	1925
Month Avg Max Temperature		65.6		63.4		61.9		+3.7		68.0		in	2017		56.1		in	1925
Month Avg Min Temperature		50.7		48.6		47.4		+3.3		53.4		in	2017		40.6		in	1895
Month Average Temperature		58.4		56.3		54.8		+3.6		60.9		in	2017		49.3		in	1895
High Heat Index										78		in	1946
Low Wind Chill		34		44											24		in	2020
Heating Degree Days		20		12		15		+5		29		in	1925		0		in	Many
Month Heating DD		222		275		316		-94		486		in	1895		151		in	2017
Season Heating DD		283		275		316		-33		591		in	1956		190		in	2021
Cooling Degree Days		0		0		0		-0		2		in	1946		0		in	Many
Month Cooling DD		18		4		6		+12		48		in	1954		0		in	2015
Year Cooling DD		726		774		609		+117		871		in	2020		290		in	1902
Maximum Dew Point		46		58		47		-1		65		in	2019		22		in	1975
Minimum Dew Point		27		44		35		-8		60		in	2019		15		in	1975
Average  Dew Point		37		51		41		-4		63		in	2019		19		in	1975
Month Avg Max Dew Point		57.1		55.5		53.0		+4.1		59.1		in	2017		43.7		in	1974
Month Avg Min Dew Point		47.2		44.8		41.1		+6.1		49.3		in	2021		30.8		in	1974
Month Average Dew Point		52.5		50.4		47.0		+5.4		54.1		in	2017		37.2		in	1974
Precipitation		.00		.01		.13		-.13		2.76		in	1939
One Hour Rain		.00		.01						.71		in	1989
Half Hour Rain		.00		.01						.13		in	2012
Hourly Rain Rate		.00		.00						1.24		in	2012
Month Precipitation		4.82		5.27		4.28		+.54		10.20		in	2005		.28		in	1924
Year Precipitation		46.92		35.08		37.36		+9.56		52.05		in	1998		20.16		in	1957
Snow
Snow Depth										T		in	2020
Month Snow						0.0				0.7		in	1979				in
Season Snow						0.0				0.7		in	1979				in
		October 31, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		92%		99%		89%		+3%		100%		in	2004		59%		in	1964
Minimum Humidity		43%		91%		56%		-13%		95%		in	1993		23%		in	1950
Average Humidity		68%		95%		72%		-5%		98%		in	1993		45%		in	1952
Maximum Barometer		30.13		30.15		30.18		-00.05		30.84		in	1986		29.58		in	2012
Minimum Barometer		29.88		30.00		29.92		-00.04		30.48		in	1981		29.22		in	1973
Average Barometer		30.01		30.08		30.05		-00.04		30.64		in	1986		29.45		in	1973
Average Wind		7.2		2.5		6.8		+0.4		16.1		in	1991		2.3		in	2011
Direction		N		SW		N				NNE					SE
High Wind Gust		21		12		23		-2		50		in	1991		11		in	1970
Direction		N		SW		SSW				NNE					W
Maximum Water Temp		59.9		60.1		57.5		+2.4		62.1		in	2021		52.5		in	2018
Minimum Water Temp		58.6		59.4		55.7		+2.9		61.3		in	2021		50.5		in	2018
Average Water Temp		59.3		59.8		56.6		+2.6		61.7		in	2021		51.5		in	2018
Sunrise/ AM Twilight		7:15:26 AM						6:47:39 AM
Sunset / PM Twilight		5:41:22 PM						6:10:03 PM
Length Of Day		10:25:20
Special Conditions		None
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