|
TENNESSEE
/ Nashville
Latitude (N): 36.12
Longitude
(W): 86.68
Elevation (feet): 590
Annual Precipitation (inches): 48
Annual heating degree days (base 65 deg. F): 3,760
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
54 deg.
|
78 deg.
|
54 deg.
|
30 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.1 |
6.5 |
4.7 |
2.0 |
|
BTU/ft2
|
1,301 |
2,062 |
1,491 |
634 |
| On
vertical surface |
|
kWh/m2
|
3.3 |
2.3 |
3.3 |
3.0 |
|
BTU/ft2
|
1,047 |
730 |
1,047 |
952 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
32 |
65 |
61 |
31 |
| Daily
Max. - Degrees F |
61 |
87 |
83 |
50 |
| Wind
Speed - miles/hour |
10.1 |
7.4 |
6.7 |
9.4 |
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