|
OKLAHOMA
/ Tulsa
Latitude (N): 36.20
Longitude
(W): 95.90
Elevation (feet): 676
Annual Precipitation (inches): 39
Annual heating degree days (base 65 deg. F): 3,730
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
54 deg.
|
78 deg.
|
54 deg.
|
30 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.3 |
6.4 |
4.7 |
2.2 |
|
BTU/ft2
|
1,364 |
2,030 |
1,491 |
1,015 |
| On
vertical surface |
|
kWh/m2
|
3.6 |
2.3 |
3.4 |
3.6 |
|
BTU/ft2
|
1,142 |
730 |
1,078 |
1,142 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
39 |
60 |
63 |
29 |
| Daily
Max. - Degrees F |
62 |
88 |
84 |
49 |
| Wind
Speed - miles/hour |
11.9 |
9.8 |
9.2 |
10.1 |
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