Portsmouth Rhode Island Weather Almanac
Thursday, May 23, 2024
Clear early, Mostly Cloudy, Heavy Rain/Thunderstorms Mid-Day to Partly Cloudy PM, Continued Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2024
		May 23, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Temperature		73		64		67		+6		90		in	1992		51		in	1940
Minimum Temperature		57		45		51		+6		63		in	2021		42		in	1935
Average Temperature		65		55		59		+6		75		in	2021		49		in	1940
Month Avg Max Temperature		63.2		65.7		63.7		-0.5		69.2		in	1918		57.1		in	2005
Month Avg Min Temperature		48.6		47.5		47.3		+1.2		50.5		in	2012		41.7		in	1967
Month Average Temperature		56.1		56.8		55.5		+0.6		59.6		in	1930		50.1		in	1917
High Heat Index										91		in	2021
Low Wind Chill															39		in	1935
Heating Degree Days		0		10		6		-6		16		in	1940		0		in	2024
Month Heating DD		204		193		218		-14		342		in	1917		133		in	1918
Season Heating DD		4935		4672		5422		-487		6488		in	1905		4467		in	2012
Cooling Degree Days		0		0		1		-1		10		in	2021		0		in	2024
Month Cooling DD		0		4		3		-3		27		in	2001		0		in	2024
Year Cooling DD		0		4		3		-3		27		in	2001		0		in	2024
Maximum Dew Point		69		52		56		+13		70		in	2021		38		in	1971
Minimum Dew Point		56		36		45		+11		59		in	2013		26		in	1981
Average  Dew Point		63		44		50		+13		63		in	2024		32		in	1971
Month Avg Max Dew Point		55.5		52.1		51.9		+3.7		57.7		in	2004		41.9		in	1967
Month Avg Min Dew Point		45.3		38.8		40.5		+4.9		46.3		in	1953		30.2		in	1967
Month Average Dew Point		50.7		45.8		46.2		+4.5		50.9		in	2018		36.0		in	1967
Precipitation		.67		.00		.10		+.57		2.33		in	1979
One Hour Rain		.39		.00						.99		in	1994
Half Hour Rain		.36		.00						.36		in	2024
Hourly Rain Rate		3.27		.00						3.27		in	2024
Month Precipitation		5.71		3.43		2.51		+3.20		6.96		in	2006		.35		in	2015
Year Precipitation		28.63		20.66		18.37		+10.26		34.80		in	1983		11.13		in	1927
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0		0		+0				in
Month Snow		0.0		0.0		0.0		+0.0		1.7		in	1977		0.0		in	Many
Season Snow		12.7		9.1		33.8		-21.1		84.1		in	1996		5.0		in	1998
		May 23, 2024								Record					Record
Observed Daily Data		2024		2023		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		98%		89%		+10%		100%		in	2017		55%		in	1971
Minimum Humidity		84%		40%		54%		+30%		90%		in	2013		23%		in	1971
Average Humidity		92%		69%		72%		+20%		95%		in	2013		39%		in	1971
Maximum Barometer		29.91		30.37		30.05		-00.14		30.49		in	2007		29.53		in	1951
Minimum Barometer		29.81		30.23		29.85		-00.04		30.40		in	2007		29.40		in	1951
Average Barometer		29.86		30.30		29.95		-00.09		30.45		in	2007		29.47		in	1951
Average Wind		5.8		3.5		6.5		-0.7		13.1		in	1985		1.2		in	1994
Direction		SSW		SSE		SSW				SE					S
High Wind Gust		19		17		22		-3		42		in	1994		12		in	2010
Direction		SSW		SSE		SSE				ENE					ESE
Maximum Water Temp		57.9		59.2		56.8		+1.1		64.4		in	2007		51.8		in	2005
Minimum Water Temp		55.0		56.8		53.6		+1.4		59.4		in	2007		46.0		in	2020
Average Water Temp		56.5		58.0		55.2		+1.2		61.9		in	2007		49.3		in	2020
Sunrise/ AM Twilight		5:18:28 AM						4:45:49 AM
Sunset / PM Twilight		8:05:48 PM						8:38:23 PM
Length Of Day		14:47:20
Special Conditions		Fog, Thunderstorms
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