01   year
02   month
03   day
04   hour
05   CO2 (ppm),   9 m
06   CO2 (ppm),  30 m
07   CO2 (ppm),  61 m
08   CO2 (ppm), 122 m
09   CO2 (ppm), 244 m
10   CO2 (ppm), 457 m
11   CO2 (ppm), 457 m        *** NOTE:  was 9m until July 2001 !!!
12   Wind Speed (m/s),  30 m
13   Wind Speed (m/s), 457 m
14   Wind Direction (degrees),  30 m
15   Wind Direction (degrees), 457 m
16   Temperature (degrees C),   30 m
17   Temperature (degrees C),  457 m
18   Mixing Ratio (g/kg),       30 m
19   Mixing Ratio (g/kg),      457 m
20   Relative Humidity (%),     30 m
21   Relative Humidity (%),    457 m
22   Station Pressure (mb)
23   PAR (micromoles/m2/s)
24   Rainfall (0.01")