Portsmouth Rhode Island Weather Almanac
Wednesday, May 18, 2022
Clear early then Partly Cloudy, Dry and Continued Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		May 18, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		70		77		66		+4		82		in	2017		45		in	2007
Minimum Temperature		52		53		49		+3		62		in	2017		35		in	1983
Average Temperature		61		65		57		+4		72		in	2017		44		in	2007
Month Avg Max Temperature		64.0		65.9		62.8		+1.2		69.7		in	1993		54.1		in	1917
Month Avg Min Temperature		48.3		46.7		46.6		+1.7		50.2		in	1930		40.4		in	1967
Month Average Temperature		56.4		56.6		54.7		+1.7		59.9		in	1930		47.8		in	1917
High Heat Index										83		in	2017
Low Wind Chill															33		in	1981
Heating Degree Days		4		0		8		-4		21		in	2007		0		in	2021
Month HDD		157		152		185		-28		310		in	1917		96		in	1993
Season HDD		4939		4961		5358		-419		6439		in	1905		4454		in	2012
Cooling Degree Days		0		0		0		+0		7		in	2017				in
Month CDD		3		0		0		+3		27		in	2001		0		in	2021
Year CDD		3		0		0		+3		27		in	2001		0		in	2021
Maximum Dew Point		46		57		54		-8		67		in	2017		33		in	1981
Minimum Dew Point		33		46		43		-10		57		in	2017		25		in	1981
Average  Dew Point		40		52		48		-8		62		in	2017		29		in	1981
Month Avg Max Dew Point		51.4		49.0		51.0		+0.4		56.4		in	2004		41.0		in	1966
Month Avg Min Dew Point		40.0		38.0		39.5		+0.5		46.3		in	1953		28.8		in	1966
Month Average Dew Point		46.0		43.7		45.2		+0.8		50.4		in	1998		34.9		in	1966
Precipitation		.00		.00		.10		-.10		1.93		in	2002
One Hour		.00		.00						.40		in	1970
Hourly Rate		.00		.00						.82		in	2004
Month Precipitation		1.45		2.38		2.01		-.56		6.51		in	2006		.02		in	2015
Year Precipitation		17.85		14.08		17.74		+.11		33.69		in	1983		10.69		in	1927
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 18, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		76%		80%		91%		-15%		100%		in	2018		63%		in	1981
Minimum Humidity		26%		35%		57%		-31%		91%		in	2004		25%		in	1983
Average Humidity		51%		58%		74%		-23%		96%		in	2004		45%		in	1981
Maximum Barometer		29.91		30.28		30.08		-00.17		30.50		in	1983		29.48		in	2008
Minimum Barometer		29.81		30.14		29.87		-00.06		30.34		in	2003		29.05		in	1985
Average Barometer		29.86		30.21		29.97		-00.11		30.37		in	2003		29.27		in	1985
Average Wind		7.0		5.5		6.3		+0.7		14.6		in	2000		1.9		in	1995
Direction		NW		SSW		NE				S					SSE
High Wind Gust		24		28		22		+2		41		in	2000		11		in	1995
Direction		NW		SSW		SSE				SW					NW
Maximum Water Temp		56.8		57.6		55.5		+1.3		59.5		in	2017		50.5		in	2020
Minimum Water Temp		53.2		55.4		52.5		+0.7		56.6		in	2013		45.9		in	2020
Average Water Temp		55.0		56.5		54.0		+1.0		57.9		in	2013		48.2		in	2020
Sunrise/ AM Twilight		5:22:56 AM						4:50:13 AM
Sunset / PM Twilight		8:00:38 PM						8:33:15 PM
Length Of Day		14:37:42
Special Conditions		None
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