|
WYOMING
/ Cheyenne
Latitude (N): 41.15
Longitude
(W): 104.82
Elevation (feet): 6,142
Annual Precipitation (inches): 13
Annual heating degree days (base 65 deg. F): 7,310
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
|
4.2 |
6.7 |
4.9 |
1.9 |
|
BTU/ft2
|
1,332 |
2,125 |
1,554 |
603 |
| On
vertical surface |
|
kWh/m2
|
4.3 |
2.6 |
4.1 |
4.1 |
|
BTU/ft2
|
1,364 |
824 |
1,301 |
1,301 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
22 |
48 |
44 |
17 |
| Daily
Max. - Degrees F |
45 |
74 |
69 |
39 |
| Wind
Speed - miles/hour |
14.6 |
11.4 |
11.2 |
14.6 |
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