|
VIRGINIA
/ Norfolk
Latitude (N): 36.90
Longitude
(W): 76.20
Elevation (feet): 30
Annual Precipitation (inches): 45
Annual heating degree days (base 65 deg. F): 3,450
APPROXIMATE
SUN ANGLE (at noon facing due south)
|
Mar
21
|
June
21
|
Sept
21
|
Dec
21
|
|
53 deg.
|
77 deg.
|
53 deg.
|
31 deg.
|
AVERAGE DAILY SOLAR RADIATION
| |
March
|
June
|
September
|
December
|
| On
horizontal surface |
|
kWh/m2
|
4.1 |
6.2 |
4.5 |
2.0 |
|
BTU/ft2
|
1,301 |
1,967 |
1,427 |
634 |
| On
vertical surface |
|
kWh/m2
|
3.4 |
2.3 |
3.3 |
3.3 |
|
BTU/ft2
|
1,078 |
730 |
1,047 |
1,047 |
AVERAGE TEMPERATURE
AND WIND SPEED
| |
March
|
June
|
September
|
December
|
| Daily
Min. - Degrees F |
39 |
65 |
64 |
35 |
| Daily
Max. - Degrees F |
58 |
83 |
80 |
52 |
| Wind
Speed - miles/hour |
12.5 |
10.1 |
9.8 |
11.4 |
[Select
another city]
|
|
