Portsmouth Rhode Island Weather Almanac
Monday, May 16, 2022
Cloudy & Fog Eerly, Partly Cloudy Day To Mostly Cloudy PM, Heavy Thunderstorm PM, Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		May 16, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		69		75		65		+4		81		in	1951		48		in	1958
Minimum Temperature		53		53		48		+5		59		in	2014		36		in	1936
Average Temperature		61		64		57		+4		68		in	1896		46		in	1936
Month Avg Max Temperature		63.3		64.7		62.5		+0.8		70.2		in	1993		52.8		in	1917
Month Avg Min Temperature		47.8		46.1		46.3		+1.4		50.2		in	1930		40.2		in	1967
Month Average Temperature		55.8		55.7		54.4		+1.4		60.2		in	1930		46.8		in	1917
High Heat Index										81		in	1951
Low Wind Chill															34		in	2016
Heating Degree Days		4		1		8		-4		19		in	1936		0		in	1960
Month HDD		150		149		169		-19		292		in	1917		84		in	1993
Season HDD		4932		4958		5342		-410		6409		in	1905		4441		in	2012
Cooling Degree Days		0		0		0		+0		3		in	1896				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		62		48		53		+9		65		in	1972		35		in	2016
Minimum Dew Point		53		39		42		+11		58		in	2014		21		in	1987
Average  Dew Point		58		44		48		+10		59		in	2014		30		in	1987
Month Avg Max Dew Point		51.4		48.3		50.6		+0.8		56.3		in	2004		40.3		in	1966
Month Avg Min Dew Point		40.3		37.1		39.1		+1.2		45.7		in	1998		27.6		in	1966
Month Average Dew Point		46.2		42.9		44.9		+1.3		50.2		in	1998		33.9		in	1966
Precipitation		.40		.01		.10		+.30		1.52		in	1983
One Hour		.39		.01						.81		in	2012
Hourly Rate		3.45		.00						4.72		in	2012
Month Precipitation		1.45		2.38		1.81		-.36		6.51		in	2006		.02		in	2015
Year Precipitation		17.85		14.08		17.54		+.31		33.65		in	1983		10.59		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 16, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		70%		91%		+8%		100%		in	2009		61%		in	1960
Minimum Humidity		80%		31%		55%		+25%		94%		in	1961		21%		in	1987
Average Humidity		90%		51%		73%		+17%		97%		in	1961		44%		in	1987
Maximum Barometer		29.82		30.25		30.07		-00.25		30.61		in	1992		29.67		in	1954
Minimum Barometer		29.59		30.19		29.83		-00.24		30.36		in	2003		29.48		in	2006
Average Barometer		29.71		30.22		29.95		-00.25		30.41		in	2003		29.60		in	1997
Average Wind		7.1		5.1		6.8		+0.3		15.8		in	1985		2.2		in	1975
Direction		SW		SW		SW				SSW					SSE
High Wind Gust		24		29		23		+1		48		in	1929		12		in	1975
Direction		SSW		SW		NNE				W					NNE
Maximum Water Temp		55.9		55.9		54.9		+1.0		60.6		in	2007		50.0		in	2020
Minimum Water Temp		53.6		54.0		51.5		+2.1		55.5		in	2012		45.0		in	2020
Average Water Temp		54.8		55.0		53.3		+1.5		57.1		in	2007		47.5		in	2020
Sunrise/ AM Twilight		5:24:47 AM						4:52:12 AM
Sunset / PM Twilight		7:58:40 PM						8:31:06 PM
Length Of Day		14:33:53
Special Conditions		Dense Fog; Thunderstorm
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