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> WEATHER DATA

RHODE ISLAND / Providence
Latitude (N): 41.73
Longitude (W): 71.43
Elevation (feet):
62
Annual Precipitation (inches):
45
Annual heating degree days (base 65 deg. F): 5,910

APPROXIMATE SUN ANGLE (at noon facing due south)

Mar 21
June 21
Sept 21
Dec 21
48 deg.
72 deg.
48 deg.
24 deg.



AVERAGE DAILY SOLAR RADIATION

 
March
June
September
December
On horizontal surface
kWh/m2
3.7 6.0 4.2 1.6
BTU/ft2
1,174 1,903 1,332 508
On vertical surface
kWh/m2
3.5 2.6 3.4 2.9
BTU/ft2
1,110 824 1,078 920


AVERAGE TEMPERATURE AND WIND SPEED

 
March
June
September
December
Daily Min. - Degrees F 29 57 54 24
Daily Max. - Degrees F 46 77 74 41
Wind Speed - miles/hour 12.1 9.8 9.4 10.7

 

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