Middletown Rhode Island Weather Almanac
Sunday, September 17, 2017
Dense Fog early, Mostly Cloudy Day to Cloudy Evening, Light Winds, Continued Warm and Muggy
Climate Normal Period						Climate Record Period
1981- 2010						1893 - 2017
		September 17, 2017								Record					Record
Observed Daily Data		Observed		2016		Normal		Depart		Highest					Lowest
Maximum Temperature		76		75		71		+5		86		in	1991		57		in	1954
Minimum Temperature		63		51		56		+7		69		in	1991		43		in	1948
Average Temperature		70		63		64		+6		78		in	1991		53		in	2013
Precipitation		.00		.00		.13		-.13		2.66		in	1933
One Hour		.00		.00						.76		in	1995
Snowfall		0.0		0.0		0.0		+0.0		0.0		in
Snow Depth		0								0		in
HDD		0		2		2		-2		12		in	2013		0		in	2017
CDD		5		0		1		+4		13		in	1991		0		in	2016
Maximum Dew Point		69		66		60		+9		72		in	1991		43		in	2013
Minimum Dew Point		62		49		51		+11		68		in	1991		28		in	1959
Average  Dew Point		66		58		55		+11		70		in	1991		38		in	1959
Maximum Humidity		100%		96%		93%		+7%		100%					67%		in	2000
Minimum Humidity		79%		61%		61%		+18%		98%		in	1993		28%		in	1968
Average Humidity		90%		79%		77%		+12%		99%		in	1993		54%		in	1950
Maximum Barometer		30.17		30.30		30.16		+00.01		30.55		in	1986		29.83		in	1952
Minimum Barometer		30.12		30.10		29.93		+00.19		30.37		in	2011		29.18		in	1999
Average Barometer		30.15		30.20		30.05		+00.10		30.43		in	2011		29.52		in	1999
Average Wind		2.8		2.9		5.4		-2.6		18.9		in	1999		0.9		in	2006
Direction		SSE		SSW		N				WNW					SSE
High Wind Gust		15		13		20		-5		50		in	1999		10		in	2006
Direction		SSE		SSE		NNE				SW					S
High Heat Index		78		76		71		+7		96		in	1991
Wind Chill
Maximum Water Temp		67.8		69.0		68.0		-0.2		71.1		in	2015		64.8		in	2013
Minimum Water Temp		65.6		66.9		65.9		-0.3		69.1		in	2015		61.8		in	2013
Average Water Temp		66.7		68.0		67.0		-0.3		70.1		in	2015		63.3		in	2013
Sunrise/ AM Twilight		6:28:AM						6:00:AM
Sunset / PM Twilight		6:51:PM						7:18:PM
Length Of Day		12:23
Special Conditions		Dense Fog
Comments
		September 17, 2017								Record					Record
Month-to-Date Summary		Observed		2016		Normal		Depart		Highest					Lowest
Avg Maximum Temperature		73.5		77.4		73.7		-0.2		81.2		in	1983		68.1		in	1917
Avg Minimum Temperature		58.1		61.5		58.5		-0.4		64.8		in	1961		52.7		in	1893
Average Temperature		65.8		69.4		66.1		-0.3		72.9		in	1961		61.2		in	1963
Total Precipitation		1.01		.84		2.21		-1.20		7.91		in	1932		.03		in	1980
Total Snowfall		0.0		0.0		0.0		+0.0				in					in
Total HDD		24		8		25		-1		85		in	1913		0		in	2015
Total CDD		39		87		47		-8		148		in	1961		7		in	1975
Avg Maximum Dew Point		63.6		66.0		61.8		+1.9		68.9		in	1999		55.1		in	1975
Avg Minimum Dew Point		54.8		56.9		52.7		+2.0		60.6		in	1971		44.6		in	1967
Average  Dew Point		59.2		61.5		57.3		+2.0		64.6		in	1999		50.1		in	1967
		September 17, 2017								Record					Record
Year-to-Date Summary		Observed		2016		Normal		Depart		Highest					Lowest
Total Precipitation		29.44		19.55		33.70		-4.26		46.35		in	1998		17.53		in	1957
Total Snowfall (since Jul 1)		0.0		0.0		0.0		+0.0				in					in
Total HDD (since Jul 1)		34		9		34		+0		97		in	1913		0		in	2015
Total CDD (since Jan 1)		508		758		545		-37		758		in	2016		280		in	1902
Hour-by-Hour Weather For September 17, 2017
Climate Weather for September 17
Weather History For September 17
Weather Calendar
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