|
PENNSYLVANIA
/ Harrisburg
Latitude (N): 40.22
Longitude
(W): 76.85
Elevation (feet): 348
Annual Precipitation (inches): 39
Annual heating degree days (base 65 deg. F): 5,340
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
50 deg.
|
74 deg.
|
50 deg.
|
26 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.8 |
6.1 |
4.3 |
1.6 |
|
BTU/ft2
|
1,205 |
1,935 |
1,364 |
508 |
| On
vertical surface |
|
kWh/m2
|
3.4 |
2.5 |
3.3 |
2.7 |
|
BTU/ft2
|
1,078 |
793 |
1,047 |
856 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
32 |
61 |
56 |
27 |
| Daily
Max. - Degrees F |
50 |
81 |
76 |
41 |
| Wind
Speed - miles/hour |
9.2 |
6.7 |
6.0 |
8.1 |
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