Portsmouth Rhode Island Weather Almanac
Thursday, October 10, 2024
Clear early then Partly Cloudy, Windy and Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		October 10, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		61		65		64		-3		83		in	2011		45		in	1979
Minimum Temperature		46		46		49		-3		66		in	2018		33		in	1979
Average Temperature		54		56		57		-3		73		in	1949		39		in	1979
Month Avg Max Temperature		68.3		70.5		65.7		+2.6		72.9		in	1941		56.6		in	1896
Month Avg Min Temperature		51.0		53.0		50.9		+0.1		57.3		in	1927		41.9		in	1974
Month Average Temperature		59.9		62.0		58.5		+1.4		65.0		in	1927		51.2		in	1896
High Heat Index										85		in	1949
Low Wind Chill		39		46											30		in	1979
Heating Degree Days		11		9		8		+3		26		in	1979		0		in	2020
Month Heating DD		51		43		65		-14		138		in	1896		16		in	1959
Season Heating DD		89		107		145		-56		321		in	1956		57		in	1961
Cooling Degree Days		0		0		0		+0		8		in	1949		0		in	2024
Month Cooling DD		0		13		6		-6		28		in	1927		0		in	2024
Year Cooling DD		692		721		609		+83		868		in	2020		290		in	1902
Maximum Dew Point		46		57		55		-9		71		in	2018		28		in	1972
Minimum Dew Point		40		42		43		-3		65		in	2018		19		in	1993
Average  Dew Point		43		50		49		-6		68		in	2018		26		in	1972
Month Avg Max Dew Point		58.1		61.5		57.2		+0.9		65.0		in	2018		42.4		in	1974
Month Avg Min Dew Point		47.3		51.1		45.3		+2.0		55.2		in	2005		32.0		in	1984
Month Average Dew Point		53.0		56.5		51.2		+1.8		60.0		in	2018		37.9		in	1974
Precipitation		.00		.14		.14		-.14		1.99		in	1971
One Hour Rain		.00		.09						.40		in	1971
Half Hour Rain		.00		.08						.09		in	2012
Hourly Rain Rate		.00		.83						.83		in	2023
Month Precipitation		.65		.29		1.40		-.75		5.83		in	1962		.00		in	1930
Year Precipitation		44.43		42.39		34.61		+9.82		50.68		in	1998		18.73		in	1957
Snow										0.7		in	1979
Snow Depth												in
Month Snow										0.7		in	1979
Season Snow										0.7		in	1979
		October 10, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		85%		96%		92%		-7%		100%		in	2018		66%		in	1980
Minimum Humidity		51%		60%		58%		-7%		97%		in	1998		29%		in	1980
Average Humidity		68%		78%		75%		-7%		99%		in	1998		48%		in	1980
Maximum Barometer		30.03		29.86		30.14		-00.11		30.76		in	1972		29.80		in	1958
Minimum Barometer		29.88		29.79		29.91		-00.03		30.35		in	1983		29.27		in	1971
Average Barometer		29.96		29.83		30.03		-00.07		30.49		in	1972		29.62		in	1971
Average Wind		11.5		3.6		6.5		+5.0		23.9		in	2019		1.1		in	1995
Direction		NW		S		SW				N					SSE
High Wind Gust		29		22		22		+7		43		in	2019		9		in	1984
Direction		NW		S		N				N					SSW
Maximum Water Temp		64.6		64.0		63.5		+1.1		66.5		in	2017		58.5		in	2000
Minimum Water Temp		62.8		62.6		62.0		+0.8		65.5		in	2021		55.8		in	2000
Average Water Temp		63.7		63.3		62.8		+0.9		65.9		in	2021		57.2		in	2000
Sunrise/ AM Twilight		6:52:07 AM						6:24:28 AM
Sunset / PM Twilight		6:10:58 PM						6:39:47 PM
Length Of Day		11:18:51
Special Conditions		None
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