|
KANSAS
/ Topeka
Latitude (N): 39.07
Longitude
(W): 95.63
Elevation (feet): 886
Annual Precipitation (inches): 33
Annual heating degree days (base 65 deg. F): 5,320
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
|
4.0 |
6.5 |
4.6 |
1.9 |
|
BTU/ft2
|
1,269 |
2,062 |
1,459 |
603 |
| On
vertical surface |
|
kWh/m2
|
3.5 |
2.5 |
3.6 |
3.4 |
|
BTU/ft2
|
1,110 |
793 |
1,142 |
1,078 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
32 |
63 |
56 |
21 |
| Daily
Max. - Degrees F |
55 |
84 |
80 |
40 |
| Wind
Speed - miles/hour |
11.9 |
9.4 |
8.3 |
9.4 |
[Select
another city]
|
|
