Portsmouth Rhode Island Weather Almanac
Wednesday, May 10, 2023
Clear, Light Winds, Seasonal Temperatures
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 10, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		65		59		63		+2		89		in	1896		45		in	1924
Minimum Temperature		43		45		47		-4		59		in	1979		34		in	1977
Average Temperature		54		52		55		-1		71		in	1979		42		in	1977
Month Avg Max Temperature		62.8		58.3		61.5		+1.3		73.3		in	1930		50.8		in	1917
Month Avg Min Temperature		46.2		44.6		45.5		+0.7		52.0		in	1930		38.7		in	1917
Month Average Temperature		54.7		51.8		53.6		+1.1		62.9		in	1930		45.0		in	1917
High Heat Index										88		in	1896
Low Wind Chill		42		39											27		in	2020
Heating Degree Days		11		13		10		+1		23		in	1977		0		in	1979
Month HDD		103		132		114		-11		200		in	1917		33		in	1930
Season HDD		4582		4914		5287		-705		6351		in	1905		4408		in	2012
Cooling Degree Days		0		0		0		-0		6		in	1979				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		48		35		51		-3		63		in	2015		26		in	1962
Minimum Dew Point		30		26		40		-10		55		in	2015		12		in	1962
Average  Dew Point		39		31		45		-6		59		in	2015		19		in	1962
Month Avg Max Dew Point		49.8		44.8		49.6		+0.2		56.9		in	1998		36.5		in	1952
Month Avg Min Dew Point		38.5		34.1		38.0		+0.5		49.0		in	1998		25.3		in	1968
Month Average Dew Point		44.5		39.7		43.8		+0.7		53.0		in	1998		32.1		in	1968
Precipitation		.00		.00		.11		-.11		.97		in	2021
One Hour		.00		.00						.32		in	1990
Hourly Rate		.00		.00						1.23		in	2021
Month Precipitation		.67		.98		1.17		-.50		4.26		in	1972		.00		in	2015
Year Precipitation		17.90		17.38		16.90		+1.00		31.60		in	1983		10.05		in	1927
Snow		0.0		0.0		0.0		+0.0		T		in	1977				in
Snow Depth		0		0						2		in	1977				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 10, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		94%		62%		87%		+7%		100%		in	2015		43%		in	1962
Minimum Humidity		28%		32%		51%		-23%		95%		in	1998		14%		in	1962
Average Humidity		61%		47%		69%		-8%		98%		in	1998		29%		in	1962
Maximum Barometer		30.16		30.39		30.03		+00.13		30.39		in	2022		29.59		in	1964
Minimum Barometer		30.03		30.29		29.79		+00.24		30.29		in	2022		29.20		in	1945
Average Barometer		30.10		30.34		29.91		+00.19		30.34		in	2022		29.50		in	1969
Average Wind		6.5		13.1		8.0		-1.5		15.6		in	1956		2.3		in	1994
Direction		WNW		NNE		WNW				SSW					SW
High Wind Gust		26		35		26		-0		44		in	1964		13		in	1953
Direction		SSW		NE		SSW				WNW					SW
Maximum Water Temp		56.8		51.6		53.3		+3.5		60.3		in	2007		44.2		in	2020
Minimum Water Temp		54.3		49.5		50.1		+4.2		54.3		in	2023		42.1		in	2020
Average Water Temp		55.6		50.6		51.7		+3.8		57.1		in	2007		43.2		in	2020
Sunrise/ AM Twilight		5:31:15 AM						4:58:49 AM
Sunset / PM Twilight		7:52:20 PM						8:24:26 PM
Length Of Day		14:21:05
Special Conditions		None
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