|
OKLAHOMA
/ Oklahoma City
Latitude (N): 35.40
Longitude
(W): 97.60
Elevation (feet): 1,302
Annual Precipitation (inches): 31
Annual heating degree days (base 65 deg. F): 3,740
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
|
4.6 |
6.8 |
5.0 |
2.4 |
|
BTU/ft2
|
1,459 |
2,157 |
1,586 |
761 |
| On
vertical surface |
|
kWh/m2
|
3.8 |
2.3 |
3.6 |
4.0 |
|
BTU/ft2
|
1,205 |
730 |
1,142 |
1,269 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
38 |
66 |
62 |
28 |
| Daily
Max. - Degrees F |
62 |
87 |
84 |
50 |
| Wind
Speed - miles/hour |
14.1 |
11.0 |
10.7 |
11.9 |
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