Variable       Count     Valid     Min        Max        Mean       Stdev     
avhrr_ch1      18471     15042     -0.03      23.27      0.765858   1.464099  
avhrr_ch2      18471     15042     0.08       39.31      1.088096   2.168857  
avhrr_ch3      18471     15042     -70.3      33.54      -21.930818 22.468482 
avhrr_ch4      18471     15042     -71.55     21         -31.685314 20.213485 
avhrr_ch5      18471     15042     -72.78     18.57      -33.482069 19.722581 
cloud          18471     15000     2          123        116.1964   16.1497   
cloudx         18471     14935     1          3          2.777302   0.610897  
graphics       18471     5991      2          14         8.108496   1.102848  
rel_azimuth    18471     15042     175.64     179.58     177.699941 0.93961   
sat_zenith     18471     15042     9.58       68.56      50.477109  13.420507 
sst            18471     15042     -74.24     52.45      -16.138561 25.353855 
sun_zenith     18471     15042     88.99      101.63     94.453442  3.061004  
sst_masked     18471     42        3.53       25.75      23.725476  3.359155