|
OHIO
/ Dayton
Latitude (N): 39.90
Longitude
(W): 84.22
Elevation (feet): 1,004
Annual Precipitation (inches): 35
Annual heating degree days (base 65 deg. F): 5,690
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
50 deg.
|
74 deg.
|
50 deg.
|
26 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.6 |
6.2 |
4.4 |
1.5 |
|
BTU/ft2
|
1,142 |
1,967 |
1,396 |
476 |
| On
vertical surface |
|
kWh/m2
|
3.1 |
2.5 |
3.4 |
2.3 |
|
BTU/ft2
|
983 |
793 |
1,078 |
730 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
31 |
59 |
55 |
24 |
| Daily
Max. - Degrees F |
50 |
82 |
76 |
39 |
| Wind
Speed - miles/hour |
11.4 |
8.7 |
7.8 |
10.7 |
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