|
ILLINOIS
/ Moline
Latitude (N): 41.45
Longitude
(W): 90.52
Elevation (feet): 594
Annual Precipitation (inches): 38
Annual heating degree days (base 65 deg. F): 6,500
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
49 deg.
|
73 deg.
|
49 deg.
|
25 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.6 |
6.4 |
4.3 |
1.6 |
|
BTU/ft2
|
1,142 |
2,030 |
1,364 |
508 |
| On
vertical surface |
|
kWh/m2
|
3.3 |
2.6 |
3.5 |
2.8 |
|
BTU/ft2
|
1,047 |
824 |
1,110 |
888 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
28 |
60 |
53 |
17 |
| Daily
Max. - Degrees F |
47 |
83 |
76 |
33 |
| Wind
Speed - miles/hour |
12.3 |
9.4 |
8.3 |
11.0 |
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