Variable       Count     Valid     Min        Max        Mean       Stdev     
avhrr_ch3      18471     15597     -67.89     24.18      -16.224696 22.844322 
avhrr_ch4      18471     15597     -68.4      23.17      -21.924843 25.076768 
avhrr_ch5      18471     15597     -69.43     21.22      -23.540339 25.493836 
cloud          18471     15187     2          123        91.660104  42.772992 
cloudx         18471     11327     1          3          2.849916   0.467263  
graphics       18471     5991      2          14         8.108496   1.102848  
sat_zenith     18471     15597     9.14       68.93      50.261916  13.688468 
sst            18471     15597     -66.73     27.41      -11.930578 22.997498 
sst_masked     18471     362       10.48      22.61      13.715193  1.917128