|
TEXAS
/ San Antonio
Latitude (N): 29.53
Longitude
(W): 98.47
Elevation (feet): 794
Annual Precipitation (inches): 29
Annual heating degree days (base 65 deg. F): 1,610
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
60 deg.
|
84 deg.
|
60 deg.
|
36 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.8 |
6.7 |
5.4 |
2.9 |
|
BTU/ft2
|
1,523 |
2,125 |
1,713 |
920 |
| On
vertical surface |
|
kWh/m2
|
3.4 |
1.9 |
3.3 |
3.8 |
|
BTU/ft2
|
1,078 |
603 |
1,047 |
1,205 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
50 |
73 |
69 |
41 |
| Daily
Max. - Degrees F |
74 |
92 |
89 |
64 |
| Wind
Speed - miles/hour |
10.1 |
9.6 |
8.5 |
8.5 |
[Select
another city]
|
|
