|
MISSOURI
/ St. Louis
Latitude (N): 38.75
Longitude
(W): 90.38
Elevation (feet): 564
Annual Precipitation (inches): 36
Annual heating degree days (base 65 deg. F): 4,940
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
|
3.9 |
6.4 |
4.6 |
1.8 |
|
BTU/ft2
|
1,237 |
2,030 |
1,459 |
571 |
| On
vertical surface |
|
kWh/m2
|
3.4 |
2.4 |
2.5 |
3.0 |
|
BTU/ft2
|
1,078 |
761 |
1,110 |
952 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
35 |
66 |
61 |
26 |
| Daily
Max. - Degrees F |
55 |
85 |
80 |
42 |
| Wind
Speed - miles/hour |
11.9 |
9.2 |
8.5 |
10.7 |
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