|
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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