|
WEST
VIRGINIA / Elkins
Latitude (N): 38.88
Longitude
(W): 79.85
Elevation (feet): 1,949
Annual Precipitation (inches): 43
Annual heating degree days (base 65 deg. F): 6,050
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
51 deg.
|
75 deg.
|
51 deg.
|
27 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.6 |
5.7 |
4.1 |
1.6 |
|
BTU/ft2
|
1,142 |
1,808 |
1,301 |
508 |
| On
vertical surface |
|
kWh/m2
|
3.1 |
2.3 |
3.1 |
2.4 |
|
BTU/ft2
|
983 |
730 |
983 |
761 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
27 |
52 |
50 |
21 |
| Daily
Max. - Degrees F |
52 |
78 |
74 |
43 |
| Wind
Speed - miles/hour |
7.8 |
4.9 |
4.3 |
7.2 |
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