Variable       Count     Valid     Min        Max        Mean       Stdev     
avhrr_ch1      18471     18440     1.68       55.1       10.139961  8.476057  
avhrr_ch2      18471     18440     0.73       53.47      10.416233  8.961476  
avhrr_ch3a     18471     18440     0.03       38.49      8.210039   7.430597  
avhrr_ch4      18471     18440     -47.28     21.57      -0.825837  14.575061 
avhrr_ch5      18471     18440     -48.17     20.07      -2.160228  14.391721 
cloud          18471     16697     2          127        72.297598  45.033191 
cloudx         18471     13386     0          3          2.321007   0.923751  
graphics       18471     5991      2          14         8.108496   1.102848  
rel_azimuth    18471     18440     50.62      131.33     110.977495 27.416746 
sat_zenith     18471     18440     0.02       68.09      32.237845  19.533305 
sst            18471     18440     -46.6      28.48      2.135746   15.794784 
sun_zenith     18471     18440     53.37      71.45      62.588066  4.196918  
sst_masked     18471     1743      5.64       25.01      14.796741  6.059641