Portsmouth Rhode Island Weather Almanac
Tuesday, May 23, 2023
Clear, Light Winds and Cooler (Smoke from Canadian Wild Fires)
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 23, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		64		72		67		-3		90		in	1992		51		in	1940
Minimum Temperature		45		56		51		-6		63		in	2021		42		in	1935
Average Temperature		55		64		59		-4		75		in	2021		49		in	1940
Month Avg Max Temperature		65.7		65.8		63.7		+2.0		69.2		in	1918		57.1		in	2005
Month Avg Min Temperature		47.5		49.7		47.3		+0.1		50.5		in	2012		41.7		in	1967
Month Average Temperature		56.8		58.0		55.5		+1.3		59.6		in	1930		50.1		in	1917
High Heat Index										91		in	2021
Low Wind Chill															39		in	1935
Heating Degree Days		10		1		6		+4		16		in	1940		0		in	2021
Month Heating DD		193		175		218		-25		342		in	1917		133		in	1918
Season Heating DD		4672		4957		5391		-719		6488		in	1905		4467		in	2012
Cooling Degree Days		0		0		0		-0		10		in	2021				in
Month Cooling DD		4		14		3		+1		27		in	2001		0		in	2020
Year Cooling DD		9		14		3		+6		27		in	2001		0		in	2020
Maximum Dew Point		52		64		56		-4		70		in	2021		38		in	1971
Minimum Dew Point		36		49		45		-9		59		in	2013		26		in	1981
Average  Dew Point		44		57		50		-6		62		in	2012		32		in	1971
Month Avg Max Dew Point		52.1		54.1		51.9		+0.3		57.7		in	2004		41.9		in	1967
Month Avg Min Dew Point		38.8		42.6		40.5		-1.7		46.3		in	1953		30.2		in	1967
Month Average Dew Point		45.8		48.7		46.2		-0.4		50.9		in	2018		36.0		in	1967
Precipitation		.00		.00		.10		-.10		2.33		in	1979
One Hour Rain		.00		.00						.99		in	1994
Hourly Rain Rate		.00		.00						1.95		in	2004
Month Precipitation		3.43		2.17		2.51		+.92		6.96		in	2006		.35		in	2015
Year Precipitation		20.66		18.57		18.24		+2.42		34.80		in	1983		11.13		in	1927
Snow		0.0		0.0		0.0		+0.0		0.0		in					in
Snow Depth		0		0						0		in					in
Month Snow		0.0		0.0		0.0		+0.0		1.7		in	1977		0.0		in	2023
Season Snow		9.1		34.7		33.5		-24.4		84.1		in	1996		5.0		in	1998
		May 23, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		98%		97%		89%		+9%		100%		in	2017		55%		in	1971
Minimum Humidity		40%		48%		54%		-14%		90%		in	2013		23%		in	1971
Average Humidity		69%		73%		72%		-3%		95%		in	2013		39%		in	1971
Maximum Barometer		30.37		30.24		30.05		+00.32		30.49		in	2007		29.53		in	1951
Minimum Barometer		30.23		29.96		29.85		+00.38		30.40		in	2007		29.40		in	1951
Average Barometer		30.30		30.10		29.95		+00.35		30.45		in	2007		29.47		in	1951
Average Wind		3.5		6.7		6.5		-3.0		13.1		in	1985		1.2		in	1994
Direction		SSE		NW		NW				SE					S
High Wind Gust		17		26		22		-5		42		in	1994		12		in	2010
Direction		SSE		N		SSE				ENE					ESE
Maximum Water Temp		59.2		59.0		56.8		+2.4		64.4		in	2007		51.8		in	2005
Minimum Water Temp		56.8		55.8		53.5		+3.3		59.4		in	2007		46.0		in	2020
Average Water Temp		58.0		57.4		55.2		+2.8		61.9		in	2007		49.3		in	2020
Sunrise/ AM Twilight		5:19:01 AM						4:45:49 AM
Sunset / PM Twilight		8:05:06 PM						8:38:23 PM
Length Of Day		14:46:05
Special Conditions		Smoke
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