|
VERMONT
/ Burlington
Latitude (N): 44.47
Longitude
(W): 73.15
Elevation (feet): 341
Annual Precipitation (inches): 34
Annual heating degree days (base 65 deg. F): 7,950
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
46 deg.
|
70 deg.
|
46 deg.
|
22 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.6 |
6.0 |
4.0 |
1.2 |
|
BTU/ft2
|
1,142 |
1,903 |
1,269 |
380 |
| On
vertical surface |
|
kWh/m2
|
3.9 |
2.7 |
3.4 |
2.2 |
|
BTU/ft2
|
1,237 |
856 |
1,078 |
698 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
22 |
55 |
49 |
15 |
| Daily
Max. - Degrees F |
39 |
76 |
69 |
30 |
| Wind
Speed - miles/hour |
9.6 |
8.5 |
8.3 |
10.1 |
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