|
INDIANA
/ Evansville
Latitude (N): 38.05
Longitude
(W): 87.53
Elevation (feet): 387
Annual Precipitation (inches): 42
Annual heating degree days (base 65 deg. F): 4,730
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
52 deg.
|
76 deg.
|
52 deg.
|
28 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.8 |
6.5 |
4.6 |
1.8 |
|
BTU/ft2
|
1,205 |
2,062 |
1,459 |
571 |
| On
vertical surface |
|
kWh/m2
|
3.3 |
2.4 |
3.5 |
2.8 |
|
BTU/ft2
|
1,047 |
761 |
1,110 |
888 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
36 |
63 |
57 |
27 |
| Daily
Max. - Degrees F |
56 |
86 |
81 |
44 |
| Wind
Speed - miles/hour |
9.6 |
6.9 |
6.0 |
8.5 |
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