Portsmouth Rhode Island Weather Almanac
Tuesday, May 9, 2023
Partly Cloudy to Clear PM, Light Winds and Much Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 9, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		63		58		63		+0		83		in	1957		46		in	1912
Minimum Temperature		44		41		46		-2		55		in	1964		29		in	1956
Average Temperature		54		50		55		-1		69		in	1957		41		in	2020
Month Avg Max Temperature		62.6		58.2		61.3		+1.2		74.0		in	1930		50.1		in	1917
Month Avg Min Temperature		46.6		44.6		45.3		+1.2		52.4		in	1930		38.2		in	1917
Month Average Temperature		54.8		51.8		53.4		+1.3		63.4		in	1930		44.4		in	1917
High Heat Index										80		in	1957
Low Wind Chill		44		35											25		in	1956
Heating Degree Days		11		15		10		+1		24		in	2020		0		in	1979
Month HDD		92		119		104		-12		185		in	1917		26		in	1930
Season HDD		4571		4901		5277		-706		6344		in	1905		4400		in	2012
Cooling Degree Days		0		0		0		-0		4		in	1957				in
Month CDD		0		0		0		+0		19		in	2001		0		in	2023
Year CDD		0		0		0		+0		19		in	2001		0		in	2022
Maximum Dew Point		45		35		51		-6		63		in	2000		34		in	1950
Minimum Dew Point		32		20		39		-7		53		in	2012		8		in	1962
Average  Dew Point		39		28		45		-6		57		in	2013		25		in	1962
Month Avg Max Dew Point		50.0		45.9		49.4		+0.6		57.4		in	1998		34.7		in	1952
Month Avg Min Dew Point		39.4		35.0		37.8		+1.7		49.6		in	1998		23.8		in	1974
Month Average Dew Point		45.1		40.7		43.7		+1.4		53.5		in	1998		31.3		in	1952
Precipitation		.00		.00		.11		-.11		1.72		in	2012
One Hour		.00		.00						.38		in	1978
Hourly Rate		.00		.00						2.20		in	2013
Month Precipitation		.67		.98		1.06		-.39		3.92		in	1954		.00		in	2015
Year Precipitation		17.90		17.38		16.79		+1.11		31.60		in	1983		9.85		in	1927
Snow		0.0		0.0		0.0		+0.0		1.7		in	1977				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 9, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		83%		76%		89%		-6%		100%		in	2018		53%		in	1957
Minimum Humidity		34%		29%		53%		-19%		94%		in	2012		13%		in	1962
Average Humidity		59%		53%		71%		-13%		97%		in	1998		36%		in	1957
Maximum Barometer		30.10		30.33		30.04		+00.06		30.49		in	1986		29.47		in	1967
Minimum Barometer		29.87		30.14		29.78		+00.09		30.31		in	2019		29.17		in	1967
Average Barometer		29.99		30.24		29.91		+00.07		30.38		in	1996		29.32		in	1967
Average Wind		4.0		16.0		8.5		-4.5		17.0		in	2020		2.8		in	1993
Direction		ENE		NNE		SW				WNW					SSW
High Wind Gust		15		41		27		-12		52		in	1958		13		in	1993
Direction		SSE		ENE		SW				SW					SW
Maximum Water Temp		56.3		51.3		53.2		+3.1		60.6		in	2007		44.1		in	2020
Minimum Water Temp		53.8		49.3		50.1		+3.7		54.0		in	2010		42.3		in	2020
Average Water Temp		55.1		50.3		51.7		+3.4		56.8		in	2007		43.2		in	2020
Sunrise/ AM Twilight		5:32:23 AM						5:00:01 AM
Sunset / PM Twilight		7:51:17 PM						8:23:17 PM
Length Of Day		14:18:54
Special Conditions		None
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