Portsmouth Rhode Island Weather Almanac
Saturday, May 28, 2022
Cloudy, Heavy Rain & Thunderstorm early, Partly Cloudy PM, Seasonal Temps
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		May 28, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		68		66		69		-1		88		in	1991		53		in	1917
Minimum Temperature		60		46		52		+8		62		in	1991		41		in	1994
Average Temperature		64		56		61		+3		75		in	1991		49		in	1907
Month Avg Max Temperature		66.0		68.1		64.5		+1.5		70.7		in	1991		57.1		in	2005
Month Avg Min Temperature		50.0		49.0		48.1		+2.0		52.0		in	2012		41.6		in	1967
Month Average Temperature		58.3		58.9		56.3		+1.9		59.8		in	1991		50.3		in	1967
High Heat Index										92		in	1991
Low Wind Chill				40											38		in	1994
Heating Degree Days		1		9		4		-3		16		in	1907		0		in	2020
Month HDD		203		189		243		-40		413		in	1967		157		in	1918
Season HDD		4985		4998		5416		-431		6518		in	1905		4475		in	2012
Cooling Degree Days		0		0		1		-1		10		in	1991				in
Month CDD		14		17		8		+6		32		in	1991		0		in	2013
Year CDD		14		17		8		+6		32		in	1991		0		in	2013
Maximum Dew Point		64		50		58		+6		69		in	2012		42		in	1964
Minimum Dew Point		59		36		47		+12		61		in	2012		29		in	1980
Average  Dew Point		62		43		52		+10		65		in	2012		37		in	1964
Month Avg Max Dew Point		54.9		52.3		52.8		+2.2		57.6		in	2004		42.2		in	1967
Month Avg Min Dew Point		43.7		40.6		41.5		+2.2		48.0		in	2012		31.1		in	1967
Month Average Dew Point		49.6		46.6		47.1		+2.5		52.7		in	2012		36.6		in	1967
Precipitation		.54		.59		.10		+.44		2.48		in	1917
One Hour		.34		.26						.42		in	1959
Hourly Rate		6.19		.55						6.19		in	2022
Month Precipitation		2.80		3.00		3.01		-.21		8.33		in	1967		.35		in	2015
Year Precipitation		19.20		14.70		18.74		+.46		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 28, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		94%		90%		+9%		100%		in	2011		58%		in	1952
Minimum Humidity		85%		43%		54%		+31%		93%		in	2004		23%		in	1980
Average Humidity		92%		69%		72%		+20%		97%		in	2004		45%		in	1952
Maximum Barometer		29.86		30.12		30.07		-00.21		30.56		in	1997		29.68		in	1951
Minimum Barometer		29.70		30.00		29.85		-00.15		30.26		in	1995		29.43		in	1986
Average Barometer		29.78		30.06		29.96		-00.18		30.37		in	1997		29.60		in	1977
Average Wind		7.7		6.8		6.0		+1.7		11.5		in	1954		1.7		in	1967
Direction		SSW		ENE		S				SW					N
High Wind Gust		23		24		21		+2		36		in	1954		11		in	1950
Direction		SSW		NNE		SSW				SW					S
Maximum Water Temp		60.3		59.9		59.1		+1.2		67.1		in	2007		54.3		in	2020
Minimum Water Temp		58.1		56.1		55.2		+2.9		62.6		in	2007		50.1		in	2008
Average Water Temp		59.2		58.0		57.2		+2.0		64.9		in	2007		52.5		in	2020
Sunrise/ AM Twilight		5:15:31 AM						4:42:14 AM
Sunset / PM Twilight		8:09:40 PM						8:43:07 PM
Length Of Day		14:54:09
Special Conditions		Dense Fog, Strong Thunderstorm
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