Solar
radiation data
First three digits indicate data type
Fourth digit differentiates duplicate types |
1st |
2nd |
3rd |
0 Voltage output
of solar cell array (millivolts)
[Note: Newer files use '6XXX' instead of '0XXX'.] |
|
1 Tilted 15 degrees |
|
6 South-facing |
2 Tilted 25 degrees |
|
4 West-facing |
6 South-facing |
8 East-facing |
3 Tilted 30 degrees |
|
6 South-facing |
5 Tilted 45 degrees |
|
6 South-facing |
6 Tilted 60 degrees |
|
6 South-facing |
1 Global and total solar
radiation (watt hours per square meter per hour) |
|
0 Horizontal |
|
0 Horizontal |
9 Ground-facing |
1 Tilted 15 degrees |
|
6 South-facing |
2 Tilted 25 degrees |
|
4 West-facing |
5 Southwest-facing |
6 South-facing |
8 East-facing |
3 Tilted 30 degrees |
|
6 South-facing |
4 Tilted 35 degrees |
|
6 South-facing |
5 Tilted 45 degrees |
|
6 South-facing |
6 Tilted 60 degrees |
|
6 South-facing |
9 Tilted 90 degrees |
|
2 North-facing |
6 South-facing |
2 Direct solar
radiation (watt hours per square meter per hour) |
|
0 Beam |
|
1 Normal incident |
3 Diffuse solar
radiation (watt hours per square meter per hour) |
|
0 Horizontal |
|
0 Horizontal |
4 Current output
of solar cell array (milliampere hours per hour)
|
|
1 Tilted 15 degrees |
|
6 South-facing |
2 Tilted 25 degrees |
|
4 West-facing |
6 South-facing |
8 East-facing |
3 Tilted 30 degrees |
|
6 South-facing |
5 Tilted 45 degrees |
|
6 South-facing |
6 Tilted 60 degrees |
|
6 South-facing |
5 Power output
of solar cell array (watts)
[For code '5006', see explanation at bottom of page.] |
|
1 Tilted 15 degrees |
|
6 South-facing |
2 Tilted 25 degrees |
|
4 West-facing |
6 South-facing |
8 East-facing |
3 Tilted 30 degrees |
|
6 South-facing |
5 Tilted 45 degrees |
|
6 South-facing |
6 Tilted 60 degrees |
|
6 South-facing |
6 Voltage output
of solar cell array (millivolts)
[For code '6006', see explanation at bottom of page.] |
|
1 Tilted 15 degrees |
|
6 South-facing |
2 Tilted 25 degrees |
|
4 West-facing |
6 South-facing |
8 East-facing |
3 Tilted 30 degrees |
|
6 South-facing |
5 Tilted 45 degrees |
|
6 South-facing |
6 Tilted 60 degrees |
|
6 South-facing |
Meteorological
data
First three digits indicate data type
Fourth digit differentiates duplicate types |
1st |
2nd and 3rd |
9 Meteorological
data |
|
10 Sky condition |
11 Ceiling height (meters) |
12 Visibility (kilometers) |
13 Weather (10-digit code) |
15 Total rainfall (inches) |
17 Barometric pressure (millibars) |
20 Average wind direction (degrees) |
21 Average wind speed (meters per second) |
22 Standard deviation of wind direction |
30 Ambient temperature (degrees Celsius) |
31 Dew point temperature (degrees Celsius) |
33 Relative humidity (percent) |
37 Solar cell temperature (degrees Celsius) |
38 Minimum ambient temperature (degrees Celsius) |
39 Maximum ambient temperature (degrees Celsius) |
37 Solar cell temperature (degrees Celsius) |
40 Average barometric pressure (millibars) |
51 Total sky cover (10ths of sky dome) |
52 Opaque sky cover (10ths of sky dome) |
53 Precipitable water (millimeters) |
54 Aerosol optical depth |
55 Snow depth (centimeters) |
56 Albedo |
65 Days since last snowfall |