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> WEATHER DATA

PENNSYLVANIA / Pittsburgh
Latitude (N): 40.50
Longitude (W): 80.22
Elevation (feet):
1,223
Annual Precipitation (inches):
37
Annual heating degree days (base 65 deg. F): 5,950

APPROXIMATE SUN ANGLE (at noon facing due south)

Mar 21
June 21
Sept 21
Dec 21
49 deg.
73 deg.
49 deg.
25 deg.



AVERAGE DAILY SOLAR RADIATION

 
March
June
September
December
On horizontal surface
kWh/m2
3.5 6.1 4.2 1.4
BTU/ft2
1,110 1,935 1,332 444
On vertical surface
kWh/m2
3.1 2.5 3.2 2.0
BTU/ft2
983 793 1,015 634


AVERAGE TEMPERATURE AND WIND SPEED

 
March
June
September
December
Daily Min. - Degrees F 30 57 53 24
Daily Max. - Degrees F 49 79 74 39
Wind Speed - miles/hour 10.5 7.8 7.2 10.3

 

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