|
RHODE
ISLAND / Providence
Latitude (N): 41.73
Longitude
(W): 71.43
Elevation (feet): 62
Annual Precipitation (inches): 45
Annual heating degree days (base 65 deg. F): 5,910
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
|
3.7 |
6.0 |
4.2 |
1.6 |
|
BTU/ft2
|
1,174 |
1,903 |
1,332 |
508 |
| On
vertical surface |
|
kWh/m2
|
3.5 |
2.6 |
3.4 |
2.9 |
|
BTU/ft2
|
1,110 |
824 |
1,078 |
920 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
29 |
57 |
54 |
24 |
| Daily
Max. - Degrees F |
46 |
77 |
74 |
41 |
| Wind
Speed - miles/hour |
12.1 |
9.8 |
9.4 |
10.7 |
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