|
MASSACHUSETS
/ Worchester
Latitude (N): 42.27
Longitude
(W): 71.87
Elevation (feet): 987
Annual Precipitation (inches): 48
Annual heating degree days (base 65 deg. F): 6,950
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
48 deg.
|
72 deg.
|
48 deg.
|
24 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
3.8 |
6.0 |
4.2 |
1.5 |
|
BTU/ft2
|
1,208 |
1,903 |
1,332 |
476 |
| On
vertical surface |
|
kWh/m2
|
3.8 |
2.6 |
3.4 |
2.8 |
|
BTU/ft2
|
1,205 |
824 |
1,078 |
888 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
25 |
54 |
51 |
20 |
| Daily
Max. - Degrees F |
42 |
74 |
70 |
35 |
| Wind
Speed - miles/hour |
10.7 |
8.5 |
8.1 |
10.3 |
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