Portsmouth Rhode Island Weather Almanac
Saturday, October 28, 2023
Clear, Light Winds, Record  Breaking High Heat
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		October 28, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		78		55		58		+20		78		in	2023		44		in	2005
Minimum Temperature		57		40		44		+13		59		in	1953		27		in	1914
Average Temperature		68		48		51		+17		68		in	2023		36		in	1976
Month Avg Max Temperature		66.6		63.5		62.4		+4.2		68.9		in	1947		55.2		in	1896
Month Avg Min Temperature		51.3		49.6		47.9		+3.4		53.6		in	2017		40.7		in	1974
Month Average Temperature		59.2		56.8		55.3		+3.9		61.4		in	2017		49.0		in	1896
High Heat Index		79								79		in	2023
Low Wind Chill				35											23		in	1976
Heating Degree Days		0		17		14		-14		29		in	1976		0		in	Many
Month Heating DD		180		234		271		-91		447		in	1896		122		in	1920
Season Heating DD		241		234		271		-30		558		in	1896		159		in	1920
Cooling Degree Days		3		0		0		+3		3		in	2023		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		67		43		48		+19		67		in	2023		27		in	1976
Minimum Dew Point		47		34		36		+11		59		in	1953		10		in	1974
Average  Dew Point		57		39		42		+15		61		in	1971		22		in	1965
Month Avg Max Dew Point		57.8		55.9		53.6		+4.1		60.1		in	2007		42.4		in	1974
Month Avg Min Dew Point		48.1		45.6		41.7		+6.4		49.6		in	2021		29.3		in	1974
Month Average Dew Point		53.2		51.0		47.6		+5.6		54.5		in	2017		35.8		in	1974
Precipitation		.00		.00		.14		-.14		2.77		in	1987
One Hour Rain		.00		.00						.48		in	1987
Half Hour Rain		.00		.00						.18		in	2006
Hourly Rain Rate		.00		.00						.81		in	2009
Month Precipitation		3.35		5.26		3.87		-.52		9.91		in	2005		.05		in	1947
Year Precipitation		45.45		35.07		36.95		+8.50		51.92		in	1998		20.15		in	1957
Snow										T		in	1903
Snow Depth
Month Snow						0.0				0.7		in	1979				in
Season Snow						0.0				0.7		in	1979				in
		October 28, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		97%		94%		90%		+7%		100%		in	2018		60%		in	1965
Minimum Humidity		56%		61%		56%		-0%		91%		in	2009		31%		in	1985
Average Humidity		77%		78%		73%		+3%		94%		in	1953		46%		in	1965
Maximum Barometer		30.05		30.52		30.13		-00.08		30.56		in	1946		29.67		in	1968
Minimum Barometer		29.91		30.34		29.84		+00.07		30.34		in	2022		29.07		in	2006
Average Barometer		29.98		30.43		29.98		-00.00		30.43		in	2022		29.45		in	2008
Average Wind		4.3		8.3		7.6		-3.3		16.6		in	1962		2.5		in	1975
Direction		SW		N		SW				SW					SSE
High Wind Gust		17		22		25		-8		46		in	2006		11		in	1975
Direction		SW		E		SW				SE					S
Maximum Water Temp		62.6		60.6		58.7		+3.9		62.6		in	2023		53.8		in	2018
Minimum Water Temp		61.0		58.8		56.9		+4.1		61.0		in	2023		53.1		in	2018
Average Water Temp		61.8		59.7		57.8		+4.0		61.8		in	2023		53.5		in	2018
Sunrise/ AM Twilight		7:11:51 AM						6:44:15 AM
Sunset / PM Twilight		5:45:17 PM						6:13:45 PM
Length Of Day		10:32:49
Special Conditions		First cooling degree days for this date
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