|
TEXAS
/ Midland
Latitude (N): 31.93
Longitude
(W): 102.20
Elevation (feet): 2,858
Annual Precipitation (inches): 14
Annual heating degree days (base 65 deg. F): 2,660
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
58 deg.
|
82 deg.
|
58 deg.
|
34 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
5.5 |
7.3 |
5.4 |
3.0 |
|
BTU/ft2
|
1,745 |
2,316 |
1,713 |
952 |
| On
vertical surface |
|
kWh/m2
|
4.2 |
2.0 |
3.5 |
4.8 |
|
BTU/ft2
|
1,332 |
634 |
1,110 |
1,523 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
40 |
66 |
61 |
31 |
| Daily
Max. - Degrees F |
71 |
93 |
85 |
58 |
| Wind
Speed - miles/hour |
13.0 |
12.5 |
10.3 |
10.5 |
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