|
CALIFORNIA
/ Arcata
Latitude (N): 40.98
Longitude
(W): 124.10
Elevation (feet): 226
Annual Precipitation (inches): 39
Annual heating degree days (base 65 deg. F): 2,860
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
49 deg.
|
71 deg.
|
49 deg.
|
25 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.6 |
6.0 |
4.4 |
1.6 |
|
BTU/ft2
|
1,142 |
1,903 |
1,396 |
508 |
| On
vertical surface |
|
kWh/m2
|
3.2 |
2.5 |
3.4 |
2.8 |
|
BTU/ft2
|
1,015 |
793 |
1,078 |
888 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
41 |
48 |
48 |
39 |
| Daily
Max. - Degrees F |
55 |
61 |
64 |
54 |
| Wind
Speed - miles/hour |
7.8 |
6.7 |
5.1 |
6.3 |
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