Histogram stats - Sample Cast
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     Cast 10
       Mean sigma:       26.2286       RMS: 0.0054916
       Mean theta:       19.3854       RMS: 0.024705
       Mean salinity:    36.7086       RMS: 0.0026665
       Mean Pressure:    89.6473       RMS: 5.3046
       Mean Chlorophyll: 0.21189       RMS: 0.25064