Variable       Count     Valid     Min        Max        Mean       Stdev     
avhrr_ch1      18471     18174     0.14       33.19      6.320324   5.645769  
avhrr_ch2      18471     18174     0.03       31.75      5.689734   5.584686  
avhrr_ch3      18471     18174     -63.93     47.25      13.329475  13.718221 
avhrr_ch4      18471     18174     -54.3      21.66      1.164418   14.78512  
avhrr_ch5      18471     18174     -54.32     20.77      0.081788   14.613012 
cloud          18471     17440     2          127        87.174255  43.089784 
graphics       18471     5991      2          14         8.108496   1.102848  
rel_azimuth    18471     18174     12.76      180        146.205415 48.870935 
sat_zenith     18471     18174     0.01       67.93      34.995333  20.166894 
sst            18471     18174     -52.25     30.81      5.03447    15.073777 
sun_zenith     18471     18174     73.72      91.6       82.713492  3.899226  
sst_masked     18471     712       9.35       24.97      16.664256  5.081901