|
SOUTH
CAROLINA / Charleston
Latitude (N): 32.90
Longitude
(W): 80.03
Elevation (feet): 39
Annual Precipitation (inches): 52
Annual heating degree days (base 65 deg. F): 2,150
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
57 deg.
|
80 deg.
|
57 deg.
|
33 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.7 |
6.2 |
4.7 |
2.5 |
|
BTU/ft2
|
1,491 |
1,967 |
1,491 |
793 |
| On
vertical surface |
|
kWh/m2
|
3.6 |
2.1 |
3.1 |
3.8 |
|
BTU/ft2
|
1,142 |
666 |
983 |
1,205 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
47 |
69 |
68 |
41 |
| Daily
Max. - Degrees F |
69 |
88 |
85 |
62 |
| Wind
Speed - miles/hour |
9.8 |
8.3 |
7.6 |
8.3 |
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