Portsmouth Rhode Island Weather Almanac
Sunday, May 28, 2023
Clear, Continued Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2023
		May 28, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Temperature		74		68		69		+5		88		in	1991		53		in	1917
Minimum Temperature		53		60		52		+1		62		in	1991		41		in	1994
Average Temperature		64		64		61		+3		75		in	1991		49		in	1907
Month Avg Max Temperature		66.4		66.0		64.5		+1.9		70.7		in	1991		57.1		in	2005
Month Avg Min Temperature		47.7		50.0		48.1		-0.4		52.0		in	2012		41.6		in	1967
Month Average Temperature		57.3		58.3		56.3		+1.0		59.8		in	1991		50.3		in	1967
High Heat Index										92		in	1991
Low Wind Chill															38		in	1994
Heating Degree Days		1		1		4		-3		16		in	1907		0		in	2020
Month Heating DD		220		203		243		-23		413		in	1967		157		in	1918
Season Heating DD		4699		4985		5416		-717		6518		in	1905		4475		in	2012
Cooling Degree Days		0		0		1		-1		10		in	1991				in
Month Cooling DD		4		14		8		-4		32		in	1991		0		in	2013
Year Cooling DD		9		14		8		+1		32		in	1991		0		in	2013
Maximum Dew Point		55		64		58		-3		69		in	2012		42		in	1964
Minimum Dew Point		44		59		47		-3		61		in	2012		29		in	1980
Average  Dew Point		50		62		52		-2		65		in	2012		37		in	1964
Month Avg Max Dew Point		52.3		54.9		52.8		-0.4		57.6		in	2004		42.2		in	1967
Month Avg Min Dew Point		39.3		43.7		41.5		-2.2		48.0		in	2012		31.1		in	1967
Month Average Dew Point		46.1		49.6		47.1		-1.0		52.7		in	2012		36.6		in	1967
Precipitation		.00		.54		.10		-.10		2.48		in	1917
One Hour Rain		.00		.34						.42		in	1959
Hourly Rain Rate		.00		6.19						6.19		in	2022
Month Precipitation		3.44		2.80		3.01		+.43		8.33		in	1967		.35		in	2015
Year Precipitation		20.67		19.20		18.74		+1.93		35.09		in	1983		11.43		in	1905
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 28, 2023								Record					Record
Observed Daily Data		2023		2022		Norm		Depart		Highest					Lowest
Maximum Humidity		80%		99%		90%		-10%		100%		in	2011		58%		in	1952
Minimum Humidity		43%		85%		55%		-12%		93%		in	2004		23%		in	1980
Average Humidity		62%		92%		73%		-11%		97%		in	2004		45%		in	1952
Maximum Barometer		30.24		29.86		30.07		+00.17		30.56		in	1997		29.68		in	1951
Minimum Barometer		29.96		29.70		29.85		+00.11		30.26		in	1995		29.43		in	1986
Average Barometer		30.10		29.78		29.96		+00.14		30.37		in	1997		29.60		in	1977
Average Wind		6.8		7.7		6.0		+0.8		11.5		in	1954		1.7		in	1967
Direction		SSW		SSW		SSW				SW					N
High Wind Gust		25		23		21		+4		36		in	1954		11		in	1950
Direction		SSW		SSW		SSW				SW					S
Maximum Water Temp		64.0		60.3		59.3		+4.7		67.1		in	2007		54.3		in	2020
Minimum Water Temp		62.1		58.1		55.5		+6.6		62.6		in	2007		50.1		in	2008
Average Water Temp		63.1		59.2		57.4		+5.7		64.9		in	2007		52.5		in	2020
Sunrise/ AM Twilight		5:15:39 AM						4:42:14 AM
Sunset / PM Twilight		8:09:28 PM						8:43:07 PM
Length Of Day		14:53:49
Special Conditions		None
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