|
WASHINGTON
/ Olympia
Latitude (N): 46.97
Longitude
(W): 122.97
Elevation (feet): 200
Annual Precipitation (inches): 51
Annual heating degree days (base 65 deg. F): 5,710
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
43 deg.
|
67 deg.
|
43 deg.
|
19 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
2.8 |
5.6 |
3.8 |
0.9 |
|
BTU/ft2
|
888 |
1,778 |
1,205 |
285 |
| On
vertical surface |
|
kWh/m2
|
2.6 |
2.7 |
3.4 |
1.3 |
|
BTU/ft2
|
824 |
856 |
1,078 |
412 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
34 |
46 |
45 |
32 |
| Daily
Max. - Degrees F |
54 |
71 |
71 |
44 |
| Wind
Speed - miles/hour |
7.4 |
6.9 |
6.0 |
6.9 |
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