|
KENTUCKY
/ Lexington
Latitude (N): 38.03
Longitude
(W): 84.60
Elevation (feet): 987
Annual Precipitation (inches): 45
Annual heating degree days (base 65 deg. F): 4,810
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
|
3.7 |
6.2 |
4.4 |
1.7 |
|
BTU/ft2
|
1,174 |
1,967 |
1,396 |
539 |
| On
vertical surface |
|
kWh/m2
|
3.1 |
2.4 |
3.3 |
2.6 |
|
BTU/ft2
|
983 |
761 |
1,047 |
824 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
35 |
62 |
58 |
28 |
| Daily
Max. - Degrees F |
55 |
83 |
78 |
44 |
| Wind
Speed - miles/hour |
10.5 |
7.6 |
6.9 |
9.8 |
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