Files VOCALS_2008ceilo_time.txt where time = 30s, 10min or h (1-hour). 1 Julian date 2 N, where N=number of cloud layers (0-3) or a code (4-5) for marginal clouds 3 Height of the first layer in meters (NaN unless N>0) 4 Height of the second layer in meters (NaN unless N>1) 5 Height of the third layer in meters (NaN unless N>2) These data were collected using a Vaisala CL31 ceilometer. Note: System was configured for improved aerosal gradient measurements.