|
ARIZONA
/ Tucson
Latitude (N): 32.12
Longitude
(W): 110.93
Elevation (feet): 2,555
Annual Precipitation (inches): 11
Annual heating degree days (base 65 deg. F): 1,730
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
|
5.6 |
8.1 |
6.0 |
3.2 |
|
BTU/ft2
|
1,776 |
2,569 |
1,903 |
1,015 |
| On
vertical surface |
|
kWh/m2
|
4.4 |
2.1 |
4.0 |
5.1 |
|
BTU/ft2
|
1,396 |
666 |
1,269 |
1,618 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
45 |
68 |
67 |
40 |
| Daily
Max. - Degrees F |
73 |
100 |
93 |
64 |
| Wind
Speed - miles/hour |
8.9 |
9.2 |
8.7 |
8.1 |
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