Variable       Count     Valid     Min        Max        Mean       Stdev     
avhrr_ch3      18471     18471     -51.64     24.2       -5.104387  14.250369 
avhrr_ch4      18471     18471     -58.96     23.83      -6.386774  14.771928 
avhrr_ch5      18471     18471     -59.87     22.08      -7.680384  14.56104  
cloud          18471     17450     1          123        90.306934  33.926809 
cloudx         18471     15354     0          3          2.49987    0.838736  
graphics       18471     5991      2          14         8.108496   1.102848  
sat_zenith     18471     18471     0.02       66.65      29.555588  18.291627 
sst            18471     18471     -50.91     26.62      -2.772769  14.560356 
sst_masked     18471     925       9.26       25.97      16.834357  5.277419