|
COLORADO
/ Grand Junction
Latitude (N): 39.12
Longitude
(W): 108.53
Elevation (feet): 4,839
Annual Precipitation (inches): 8
Annual heating degree days (base 65 deg. F): 5,680
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
51 deg.
|
75 deg.
|
51 deg.
|
27 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.6 |
7.7 |
5.5 |
2.2 |
|
BTU/ft2
|
1,459 |
2,442 |
1,745 |
698 |
| On
vertical surface |
|
kWh/m2
|
4.2 |
2.7 |
4.4 |
4.3 |
|
BTU/ft2
|
1,332 |
856 |
1,396 |
1,364 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
31 |
57 |
53 |
19 |
| Daily
Max. - Degrees F |
56 |
88 |
81 |
39 |
| Wind
Speed - miles/hour |
8.1 |
9.4 |
8.5 |
5.6 |
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