|
NORTH
CAROLINA / Charlotte
Latitude (N): 35.22
Longitude
(W): 80.93
Elevation (feet): 768
Annual Precipitation (inches): 43
Annual heating degree days (base 65 deg. F): 3,340
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
55 deg.
|
79 deg.
|
55 deg.
|
31 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.4 |
6.3 |
4.7 |
2.3 |
|
BTU/ft2
|
1,396 |
1,998 |
1,491 |
730 |
| On
vertical surface |
|
kWh/m2
|
3.6 |
2.2 |
3.3 |
3.5 |
|
BTU/ft2
|
1,142 |
698 |
1,047 |
1,110 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
38 |
66 |
63 |
31 |
| Daily
Max. - Degrees F |
62 |
86 |
82 |
52 |
| Wind
Speed - miles/hour |
8.7 |
6.9 |
6.5 |
7.4 |
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