|
MAINE
/ Caribou
Latitude (N): 46.87
Longitude
(W): 68.02
Elevation (feet): 623
Annual Precipitation (inches): 37
Annual heating degree days (base 65 deg. F): 9,620
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
|
3.8 |
5.7 |
3.6 |
1.2 |
|
BTU/ft2
|
1,205 |
1,808 |
1,142 |
380 |
| On
vertical surface |
|
kWh/m2
|
4.6 |
2.8 |
3.2 |
2.7 |
|
BTU/ft2
|
1,459 |
888 |
1,015 |
856 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
15 |
49 |
43 |
6 |
| Daily
Max. - Degrees F |
34 |
72 |
64 |
24 |
| Wind
Speed - miles/hour |
11.9 |
9.8 |
9.4 |
11.0 |
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