Ambient  Conditions:
pH=8.2
Oxygen=9ppm (late afternoon)
Salinity=30 p/thousand
Temp at surface=32 deg C
Temp at bottom (0.5')=30 deg C
Temp in air=29 deg C
Fecal coliform=300 colonies/100 ml
Nitrate samples (Ave.) =0.42         
Hydrogen Sulfide in water column= zero          
Hydrogen Sulfide in mud=4 ppm
Phospate=41(average)

The above data is typical.  Similar data taken by George Washington University is available for previous years in hand written format.