Variable       Count     Valid     Min        Max        Mean       Stdev     
avhrr_ch3      18471     18471     -51.19     23.17      2.659354   10.628427 
avhrr_ch4      18471     18471     -48.9      22.79      2.322143   10.185859 
avhrr_ch5      18471     18471     -49.63     20.86      1.375085   9.665738  
cloud          18471     16661     1          123        68.039734  39.347992 
cloudx         18471     12308     0          3          2.036887   1.165135  
graphics       18471     5991      2          14         8.108496   1.102848  
sat_zenith     18471     18471     0.01       53.48      25.060365  13.887523 
sst            18471     18471     -50.36     25.93      4.581137   11.157651 
sst_masked     18471     1794      5.45       25.5       15.807926  3.929338