Portsmouth Rhode Island Weather Almanac
Thursday, May 12, 2022
Cloudy early, Partly Cloudy Day to Mostly Cloudy PM & Fog, Much Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		May 12, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		76		66		64		+12		80		in	2004		47		in	1949
Minimum Temperature		50		44		47		+3		59		in	2004		36		in	1907
Average Temperature		63		55		55		+8		70		in	2004		45		in	2010
Month Avg Max Temperature		60.2		62.1		61.8		-1.7		73.3		in	2001		51.2		in	1917
Month Avg Min Temperature		45.2		45.7		45.8		-0.6		51.0		in	1930		39.2		in	1917
Month Average Temperature		53.0		54.2		53.8		-0.8		61.6		in	1930		45.4		in	1917
High Heat Index		77								81		in	2004
Low Wind Chill				40											33		in	2020
Heating Degree Days		2		10		10		-8		20		in	2010		0		in	2015
Month HDD		144		130		134		+10		235		in	1917		53		in	1930
Season HDD		4926		4939		5307		-381		6367		in	1905		4427		in	2012
Cooling Degree Days		0		0		0		+0		5		in	2004				in
Month CDD		0		0		0		+0		27		in	2001		0		in	2022
Year CDD		0		0		0		+0		27		in	2001		0		in	2022
Maximum Dew Point		64		48		52		+12		66		in	2015		37		in	1950
Minimum Dew Point		49		30		40		+9		54		in	2004		21		in	2005
Average  Dew Point		57		39		46		+11		59		in	2015		32		in	1962
Month Avg Max Dew Point		47.0		48.8		50.0		-3.0		55.3		in	1998		39.4		in	1952
Month Avg Min Dew Point		35.4		37.0		38.3		-2.9		47.7		in	1998		27.0		in	1966
Month Average Dew Point		41.5		43.0		44.2		-2.7		51.5		in	1998		33.3		in	1966
Precipitation		.00		.01		.11		-.11		1.60		in	1968
One Hour		.00		.01						.44		in	1952
Hourly Rate		.00		.00						.65		in	2006
Month Precipitation		.98		2.37		1.39		-.41		4.93		in	1989		T		in	2001
Year Precipitation		17.38		14.07		17.12		+.26		31.68		in	1983		10.18		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 12, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		88%		89%		+10%		100%		in	2013		55%		in	1950
Minimum Humidity		65%		33%		51%		+14%		90%		in	2006		22%		in	2005
Average Humidity		82%		61%		70%		+12%		95%		in	2006		43%		in	1977
Maximum Barometer		30.34		30.15		30.04		+00.30		30.46		in	1990		29.58		in	2003
Minimum Barometer		30.25		30.00		29.81		+00.44		30.25		in	2022		29.41		in	1996
Average Barometer		30.30		30.08		29.93		+00.37		30.30		in	2022		29.53		in	2003
Average Wind		5.5		6.3		7.3		-1.8		18.4		in	1986		2.6		in	2009
Direction		NNE		NW		S				N					SSE
High Wind Gust		17		24		24		-7		53		in	1986		12		in	2009
Direction		N		NW		S				N					SSE
Maximum Water Temp		54.3		54.1		54.3		-0.0		59.6		in	2004		45.0		in	2020
Minimum Water Temp		50.4		50.5		50.4		+0.0		55.5		in	2013		42.8		in	2020
Average Water Temp		52.4		52.3		52.4		-0.0		56.2		in	2013		43.9		in	2020
Sunrise/ AM Twilight		5:28:49 AM						4:56:30 AM
Sunset / PM Twilight		7:54:38 PM						8:26:41 PM
Length Of Day		14:25:49
Special Conditions		Dense Fog
Comments		1st 70°+ temperature for the year
Hour-by-Hour Weather For May 12, 2022
Climate Weather for May 12
Weather History For May 12
Weather Calendar
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