Portsmouth Rhode Island Weather Almanac
Friday, October 25, 2024
Clear and Very Much Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		October 25, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		61		68		59		+2		72		in	1893		46		in	1930
Minimum Temperature		45		55		44		+1		60		in	1913		29		in	2003
Average Temperature		53		62		52		+1		65		in	1913		40		in	1962
Month Avg Max Temperature		66.9		65.6		62.9		+4.0		69.4		in	1990		55.2		in	1896
Month Avg Min Temperature		48.6		50.6		48.4		+0.2		54.4		in	2017		40.1		in	1981
Month Average Temperature		58.0		58.3		55.8		+2.2		62.0		in	2017		49.4		in	1896
High Heat Index										73		in	2022
Low Wind Chill		40													27		in	2003
Heating Degree Days		12		3		13		-1		25		in	1962		0		in	1913
Month Heating DD		178		180		229		-51		391		in	1896		98		in	2021
Season Heating DD		216		244		309		-93		505		in	1956		123		in	2021
Cooling Degree Days		0		0		0		+0		0		in			0		in	2024
Month Cooling DD		3		13		6		-3		48		in	1954		0		in	2015
Year Cooling DD		695		721		609		+86		871		in	2020		290		in	1902
Maximum Dew Point		46		59		49		-3		69		in	2022		31		in	1969
Minimum Dew Point		38		52		38		+0		58		in	2017		17		in	1955
Average  Dew Point		42		56		43		-1		63		in	2022		27		in	1969
Month Avg Max Dew Point		54.5		57.1		54.2		+0.3		60.4		in	2007		42.7		in	1974
Month Avg Min Dew Point		43.5		47.8		42.3		+1.2		50.2		in	2021		30.8		in	1974
Month Average Dew Point		49.3		52.8		48.2		+1.1		55.2		in	2017		36.7		in	1974
Precipitation		.00		.00		.14		-.14		1.72		in	1953
One Hour Rain		.00		.00						.42		in	1951
Half Hour Rain		.00		.00						.13		in	2017
Hourly Rain Rate		.00		.00						3.76		in	2017
Month Precipitation		.73		3.35		3.45		-2.72		9.91		in	2005		.01		in	1963
Year Precipitation		44.51		45.45		36.66		+7.85		51.27		in	1998		20.15		in	1957
Snow										T		in	1962
Snow Depth												in
Month Snow										0.7		in	1979
Season Snow										0.7		in	1979
		October 25, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		87%		95%		90%		-3%		100%		in	2022		67%		in	1952
Minimum Humidity		50%		63%		56%		-6%		96%		in	2022		30%		in	1955
Average Humidity		69%		79%		73%		-5%		98%		in	2022		52%		in	1952
Maximum Barometer		30.12		30.32		30.14		-00.02		30.62		in	1956		29.47		in	1959
Minimum Barometer		29.99		30.19		29.86		+00.13		30.36		in	2003		29.00		in	1925
Average Barometer		30.06		30.26		30.00		+00.06		30.43		in	2003		29.39		in	1959
Average Wind		6.7		7.0		7.5		-0.8		15.1		in	2005		1.6		in	2012
Direction		N		SSW		W				NNE					SE
High Wind Gust		21		23		24		-3		72		in	1925		9		in	2022
Direction		N		SSW		NNE				W					ENE
Maximum Water Temp		61.7		61.2		59.4		+2.3		63.6		in	2017		53.4		in	2018
Minimum Water Temp		60.3		59.9		57.8		+2.5		63.0		in	2017		50.9		in	2018
Average Water Temp		61.0		60.6		58.6		+2.4		63.3		in	2017		52.2		in	2018
Sunrise/ AM Twilight		7:09:12 AM						6:40:53 AM
Sunset / PM Twilight		5:48:20 PM						6:17:40 PM
Length Of Day		10:39:08
Special Conditions		None
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