|
ARIZONA
/ Phoenix
Latitude (N): 33.43
Longitude
(W): 112.02
Elevation (feet): 1,112
Annual Precipitation (inches): 8
Annual heating degree days (base 65 deg. F): 1,440
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
56 deg.
|
80 deg.
|
56 deg.
|
32 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
5.5 |
8.4 |
6.1 |
3.0 |
|
BTU/ft2
|
1,745 |
2,664 |
1,935 |
952 |
| On
vertical surface |
|
kWh/m2
|
4.5 |
2.3 |
4.2 |
4.8 |
|
BTU/ft2
|
1,427 |
730 |
1,332 |
1,523 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
49 |
73 |
73 |
42 |
| Daily
Max. - Degrees F |
76 |
103 |
98 |
66 |
| Wind
Speed - miles/hour |
7.2 |
7.2 |
6.7 |
5.6 |
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