Jumbo squid (Dosidicus gigas) time-at-depth data from MK10 PAT tags 
  California Current System (CCS) & Gulf of California (GOC) 
 PI: William Gilly (Stanford University) 
 Version: 22 Nov 2013 
  
 NOTE: 1 count represents a 75-second interval 
       (in count_night and count_day columns)