Portsmouth Rhode Island Weather Almanac
Wednesday, May 26, 2021
Partly Cloudy to Cloudy and Fog PM, Windy and Warmer
Climate Normal Period						Climate Record Period
1991- 2020						1893 - 2021
		May 26, 2021								Record					Record
Observed Daily Data		2021		2020		Norm		Depart		Highest					Lowest
Maximum Temperature		70		75		68		+2		91		in	2010		45		in	1967
Minimum Temperature		56		57		51		+5		65		in	2007		37		in	1972
Average Temperature		63		66		60		+3		76		in	2010		43		in	1967
Month Avg Max Temperature		67.7		64.1		64.2		+3.6		69.7		in	1991		56.3		in	2005
Month Avg Min Temperature		48.7		45.1		47.8		+0.9		51.3		in	2012		41.3		in	1956
Month Average Temperature		58.5		54.9		56.0		+2.5		59.3		in	1993		50.1		in	2005
HDD		2		0		5		-3		22		in	1967		0		in	2020
Month HDD		180		264		234		-54		388		in	2005		148		in	1993
Season HDD		4989		5085		5407		-418		6514		in	1905		4475		in	2012
CDD		0		1		1		-1		11		in	2010		0		in
Month CDD		11		1		6		+5		27		in	2001		0		in	2014
Year CDD		11		1		6		+5		27		in	2001		0		in	2014
Maximum Dew Point		64		66		57		+7		72		in	2010		38		in	1992
Minimum Dew Point		52		55		46		+6		61		in	2012		29		in	1954
Average  Dew Point		58		61		52		+6		65		in	2012		35		in	1972
Month Avg Max Dew Point		51.8		50.2		52.4		-0.5		57.4		in	2004		42.0		in	1967
Month Avg Min Dew Point		40.5		36.7		41.1		-0.6		47.0		in	2012		30.8		in	1967
Month Average Dew Point		46.3		43.7		46.8		-0.5		51.8		in	2012		36.4		in	1967
Precipitation		T		.00		.10		.00		2.04		in	1967
One Hour		T		.00						.34		in	1961
Hourly Rate		.00		.00						.67		in	2017
Month Precipitation		2.38		2.68		2.81		-.43		8.33		in	1967		.35		in	2015
Year Precipitation		14.08		18.88		18.54		-4.46		34.81		in	1983		11.34		in	1905
Snow		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0		0								in
Month Snow		0.0		0.0		0.0		+0.0		1.7		in	1977		0.0		in
Season Snow		27.7		12.9		33.5		-5.8		84.1		in	1996		5.0		in	1998
		May 26, 2021								Record					Record
Observed Daily Data		2021		2020		Norm		Depart		Highest					Lowest
Maximum Humidity		97%		96%		90%		+7%		100%		in	2017		51%		in	1980
Minimum Humidity		79%		71%		57%		+22%		88%		in	2011		24%		in	2007
Average Humidity		88%		84%		73%		+15%		94%		in	2011		43%		in	1980
Maximum Barometer		30.13		30.23		30.03		+00.10		30.52		in	1987		29.67		in	2005
Minimum Barometer		29.86		30.18		29.82		+00.04		30.30		in	1956		29.44		in	2017
Average Barometer		30.00		30.21		29.92		+00.07		30.37		in	1972		29.59		in	2017
Average Wind		8.9		4.7		6.8		+2.1		15.6		in	1967		2.1		in	2006
Direction		SW		S		SSW				N					SE
High Wind Gust		28		16		23		+5		42		in	1984		11		in	1976
Direction		SW		S		SSW				SSW					N
High Heat Index										99		in	2010
Wind Chill															35		in	1972
Maximum Water Temp		59.5		54.7		58.2		+1.3		68.0		in	2007		50.4		in	2005
Minimum Water Temp		56.1		49.5		54.7		+1.4		59.5		in	2010		49.1		in	2005
Average Water Temp		57.8		52.1		56.5		+1.3		63.7		in	2007		49.8		in	2005
Sunrise/ AM Twilight		5:16:18 AM						4:43:34 AM
Sunset / PM Twilight		8:08:33 PM						8:41:17 PM
Length Of Day		14:52:15
Special Conditions		Fog
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