yearday,Day of the year
year,year               
matlab_datenum,days since 0000,1,1     
batteryvolt,voltage of battery        
batteryvoltysi, voltage of YSI instrument battery     
wind_spd,speed of the wind           
wind_dir,direction of wind CW from north           
wind_spd_std,speed of wind standard deviation       
wind_dir_std,direction of wind standard deviation       
wind_spd_min,minimum wind speed
wind_spd_min_hr_mn,time of minimum wind speed 
wind_spd_min_sec,time of minimum wind speed   
wind_spd_max,maximum wind speed       
wind_spd_max_hr_mn,hours and minutes of maximum wind speed 
wind_spd_max_sec,seconds of maximum wind speed   
buoy_heading,platform orientation-degrees CW from North       
buoy_heading_std, platform orientation standard deviation
cr23x_temp,temperature
cr23x_volt,voltage
watertemp,water temperature 
spcond,conductivity
salinity,salinity
do_sat,dissolved oxygen  
d_o,dissolved oxygen
depth,pressure depth of sensor
ph,ph             
turbidity,turbidity          
chlorophyll,chlorophyll
fluoresence,flourescence
at_21_std,air temperature standard deviation
at_21,air temperature
time_obs,timestamp of observation