Portsmouth Rhode Island Weather Almanac
Saturday, May 13, 2023
Partly Cloudy to Clear PM, Light Winds and Continued Very Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 13, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		80		74		64		+16		85		in	1956		43		in	1914
Minimum Temperature		54		56		48		+6		56		in	2022		37		in	2020
Average Temperature		67		65		56		+11		67		in	2023		41		in	1914
Month Avg Max Temperature		66.2		61.2		62.0		+4.2		72.6		in	2001		50.9		in	1917
Month Avg Min Temperature		47.6		46.0		45.9		+1.7		50.9		in	1930		39.4		in	1917
Month Average Temperature		57.2		53.9		54.0		+3.2		61.6		in	1930		45.4		in	1917
High Heat Index		80		74						83		in	1956
Low Wind Chill															31		in	2020
Heating Degree Days		0		0		9		-9		24		in	1914		0		in	2023
Month HDD		106		144		143		-37		255		in	1917		56		in	1930
Season HDD		4585		4926		5316		-731		6378		in	1905		4429		in	2012
Cooling Degree Days		2		0		0		+2		2		in	2023				in
Month CDD		4		0		0		+4		27		in	2001		0		in	2022
Year CDD		9		0		0		+9		27		in	2001		0		in	2022
Maximum Dew Point		61		66		52		+9		66		in	2022		31		in	1967
Minimum Dew Point		41		56		41		+0		56		in	2022		19		in	2005
Average  Dew Point		51		61		46		+5		61		in	2022		28		in	2020
Month Avg Max Dew Point		51.5		48.5		50.2		+1.4		55.1		in	2004		39.8		in	1952
Month Avg Min Dew Point		39.8		37.0		38.5		+1.2		46.8		in	1998		27.4		in	1966
Month Average Dew Point		46.0		43.0		44.3		+1.7		50.5		in	1998		34.0		in	1966
Precipitation		.00		.00		.11		-.11		2.36		in	2006
One Hour		.00		.00						1.07		in	2006
Hourly Rate		.00		.00						4.97		in	2006
Month Precipitation		.67		.98		1.50		-.83		4.94		in	1989		T		in	2001
Year Precipitation		17.90		17.38		17.23		+.67		31.75		in	1983		10.18		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 13, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		88%		100%		89%		-1%		100%		in	2022		55%		in	1967
Minimum Humidity		32%		77%		52%		-20%		94%		in	1979		20%		in	2007
Average Humidity		60%		89%		71%		-11%		97%		in	1979		41%		in	1977
Maximum Barometer		30.08		30.34		30.06		+00.02		30.50		in	1987		29.66		in	1952
Minimum Barometer		29.90		30.19		29.82		+00.08		30.31		in	1962		29.39		in	1974
Average Barometer		29.99		30.27		29.95		+00.04		30.36		in	1962		29.55		in	1977
Average Wind		4.3		3.4		7.0		-2.7		13.3		in	2008		3.0		in	1997
Direction		S		SSE		S				NNE					SSE
High Wind Gust		20		15		23		-3		46		in	2008		15		in	2022
Direction		SSW		S		SW				NNE					S
Maximum Water Temp		59.5		54.9		54.1		+5.4		59.5		in	2023		46.0		in	2020
Minimum Water Temp		56.5		51.6		51.0		+5.5		56.5		in	2023		43.5		in	2020
Average Water Temp		58.0		53.3		52.5		+5.5		58.0		in	2023		44.8		in	2020
Sunrise/ AM Twilight		5:28:01 AM						4:55:23 AM
Sunset / PM Twilight		7:55:25 PM						8:27:48 PM
Length Of Day		14:27:24
Special Conditions		None
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