Portsmouth Rhode Island Weather Almanac
Sunday, May 29, 2022
Partly Cloudy to Clear PM, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		May 29, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		74		48		69		+5		90		in	1931		48		in	2021
Minimum Temperature		56		44		52		+4		64		in	2016		40		in	1900
Average Temperature		65		46		61		+4		75		in	1931		46		in	2021
Month Avg Max Temperature		66.2		67.4		64.7		+1.6		71.2		in	1991		57.4		in	1917
Month Avg Min Temperature		50.2		48.9		48.2		+2.0		52.2		in	2012		41.8		in	1967
Month Average Temperature		58.5		58.4		56.5		+2.0		60.2		in	1991		50.3		in	1967
High Heat Index										89		in	1931
Low Wind Chill				36											36		in	2021
Heating Degree Days		0		19		4		-4		19		in	2021		0		in	2022
Month HDD		203		208		247		-44		426		in	1967		164		in	1918
Season HDD		4985		5017		5420		-435		6518		in	1905		4475		in	2012
Cooling Degree Days		0		0		1		-1		10		in	1931				in
Month CDD		14		17		9		+5		41		in	1991		0		in	2013
Year CDD		14		17		9		+5		41		in	1991		0		in	2013
Maximum Dew Point		62		45		58		+4		70		in	2018		40		in	1964
Minimum Dew Point		52		42		47		+5		62		in	2011		31		in	2004
Average  Dew Point		57		44		53		+4		65		in	2012		38		in	1964
Month Avg Max Dew Point		55.2		52.0		52.9		+2.2		57.6		in	2004		42.2		in	1967
Month Avg Min Dew Point		44.0		40.7		41.7		+2.3		48.4		in	2012		31.3		in	1967
Month Average Dew Point		49.9		46.5		47.3		+2.6		53.1		in	2012		36.7		in	1967
Precipitation		.00		1.74		.10		-.10		1.74		in	2021
One Hour		.00		.40						.47		in	1982
Hourly Rate		.00		1.08						2.45		in	2013
Month Precipitation		2.80		4.74		3.11		-.31		9.19		in	1948		.35		in	2015
Year Precipitation		19.20		16.44		18.84		+.36		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								in					in
Month Snow		0.0		0.0		0.0		+0.0		1.7		in	1977				in
Season Snow		34.7		31.1		33.5		+1.2		84.1		in	1996		5.0		in	1998
		May 29, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		95%		95%		91%		+4%		100%		in	2011		60%		in	1975
Minimum Humidity		50%		90%		58%		-8%		93%		in	2020		28%		in	1989
Average Humidity		73%		93%		75%		-2%		95%		in	2020		47%		in	1975
Maximum Barometer		30.11		30.17		30.06		+00.05		30.57		in	1970		29.67		in	2003
Minimum Barometer		29.86		29.90		29.85		+00.01		30.40		in	1970		29.44		in	1990
Average Barometer		29.99		30.04		29.96		+00.03		30.49		in	1970		29.60		in	1969
Average Wind		5.7		11.7		6.3		-0.6		12.3		in	1968		2.0		in	1996
Direction		NW		NE		SSW				SE					ESE
High Wind Gust		21		31		22		-1		37		in	1984		10		in	2009
Direction		S		NE		SSW				S					SE
Maximum Water Temp		61.9		57.6		59.6		+2.3		67.8		in	2007		53.6		in	2020
Minimum Water Temp		57.4		54.9		55.7		+1.7		61.3		in	2012		51.3		in	2005
Average Water Temp		59.7		56.3		57.6		+2.0		63.8		in	2012		52.8		in	2020
Sunrise/ AM Twilight		5:14:57 AM						4:41:37 AM
Sunset / PM Twilight		8:10:29 PM						8:44:00 PM
Length Of Day		14:55:32
Special Conditions		None
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