Portsmouth Rhode Island Weather Almanac
Sunday, July 31, 2022
Clear to Partly Cloudy PM, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2022
		July 31, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Temperature		81		73		80		+1		97		in	1917		63		in	1923
Minimum Temperature		63		56		65		-2		73		in	1917		51		in	1956
Average Temperature		72		65		73		-1		85		in	1917		61		in	1923
Month Avg Max Temperature		82.1		78.9		79.7		+2.4		84.7		in	1952		74.3		in	1902
Month Avg Min Temperature		66.4		64.6		64.6		+1.7		69.6		in	2013		59.5		in	1962
Month Average Temperature		74.5		72.1		72.6		+1.9		75.9		in	2013		67.6		in	1914
High Heat Index		81		73		82		-1		111		in	1917
Low Wind Chill															48		in	1956
Heating Degree Days		0		0		0		+0		4		in	1923		0		in	2022
Month HDD		0		9		3		-3		34		in	1914		0		in	2022
Season HDD		0		9		3		-3		34		in	1914		0		in	2022
Cooling Degree Days		7		0		8		-1		20		in	1917				in
Month CDD		293		228		235		+58		339		in	2013		108		in	1902
Year CDD		388		390		328		+60		472		in	2010		133		in	1902
Maximum Dew Point		65		57		69		-4		76		in	1994		50		in	1964
Minimum Dew Point		59		48		61		-2		70		in	2004		42		in	1964
Average  Dew Point		62		53		65		-3		73		in	2004		46		in	1964
Month Avg Max Dew Point		70.5		70.0		68.6		+1.9		73.5		in	1994		61.8		in	1965
Month Avg Min Dew Point		61.6		61.1		60.3		+1.4		66.7		in	2013		51.8		in	1965
Month Average Dew Point		66.1		65.6		64.4		+1.6		69.8		in	2013		56.8		in	1965
Precipitation		.00		.00		.10		-.10		1.38		in	1927
One Hour		.00		.00						.25		in	1996
Hourly Rate		.00		.00						2.77		in	2009
Month Precipitation		.51		3.77		3.08		-2.57		9.05		in	2009		.36		in	1952
Year Precipitation		23.41		22.83		25.65		-2.24		41.55		in	1998		14.33		in	1957
Snow		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				in					in
Season Snow		#N/A		#N/A		#N/A		#N/A		#N/A		in	#N/A		#N/A		in	#N/A
		July 31, 2022								Record					Record
Observed Daily Data		2022		2021		Norm		Depart		Highest					Lowest
Maximum Humidity		91%		85%		94%		-3%		100%		in	2015		63%		in	1964
Minimum Humidity		52%		51%		60%		-8%		89%		in	2009		34%		in	1953
Average Humidity		72%		68%		77%		-5%		93%		in	2009		50%		in	1964
Maximum Barometer		30.17		29.96		30.05		+00.12		30.37		in	1968		29.73		in	2008
Minimum Barometer		30.08		29.89		29.88		+00.20		30.22		in	2003		29.56		in	2008
Average Barometer		30.13		29.93		29.97		+00.16		30.25		in	2003		29.65		in	2008
Average Wind		5.2		6.0		5.1		+0.1		10.9		in	1971		1.6		in	1965
Direction		SSW		NW		SSW				SSW					S
High Wind Gust		20		22		19		+1		36		in	1954		9		in	1998
Direction		S		NW		SSE				SSW					N
Maximum Water Temp		73.8		73.2		71.7		+2.1		75.4		in	2006		66.7		in	1996
Minimum Water Temp		71.4		71.8		68.5		+2.9		71.8		in	2021		63.5		in	2020
Average Water Temp		72.6		72.5		70.1		+2.5		73.0		in	2013		65.9		in	1996
Sunrise/ AM Twilight		5:38:42 AM						5:09:04 AM
Sunset / PM Twilight		8:03:35 PM						8:34:07 PM
Length Of Day		14:24:53
Special Conditions		Haze
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