|
CALIFORNIA
/ San Francisco
Latitude (N): 37.62
Longitude
(W): 122.38
Elevation (feet): 16
Annual Precipitation (inches): 19
Annual heating degree days (base 65 deg. F): 2,750
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
52 deg.
|
76 deg.
|
52 deg.
|
28 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.2 |
7.2 |
5.4 |
2.0 |
|
BTU/ft2
|
1,332 |
2,284 |
1,713 |
634 |
| On
vertical surface |
|
kWh/m2
|
3.7 |
2.5 |
4.1 |
3.3 |
|
BTU/ft2
|
1,174 |
793 |
1,301 |
1,047 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
46 |
53 |
55 |
43 |
| Daily
Max. - Degrees F |
61 |
70 |
74 |
56 |
| Wind
Speed - miles/hour |
10.7 |
13.9 |
11.2 |
7.8 |
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