STATION DR-602 DR-602 DR-602 DR-602 DR-602 DR-602 DR-602
Date 4/23/2009 3/11/2009 2/4/2009 ######## ######## ######## 9/30/2008
Time 2:00 11:05 11:20 12:00 12:10 12:10 2:45
Weather Part cloudy mostly sun part cloudy overcast clear Light rain Overcast
Tidal Level non tidal non-tidal non-tidal non-tidal non-tidal non-tidal non-tidal
Flow Rate (kt) 2.4 negligible 1.4 negligible 1.1 0.2 0.2
Water Color normal normal normal normal normal normal normal
Max. Water Depth (m) 3.6 NA NA NA NA NA NA
Air Temperature (*C) 19.5 16 1   2 11  
Water Temperature (*C) 17.5 12.5 2 9 4 18 19
Transparency Tube (cm) 120 120+ 120+ 120+ 120+ 75 100
Secchi Depth (cm) 170 175 250 175 210 NA NA
**Transparency Depth (cm) 170 175 250 175 210 75 100
D.O. (Lamotte) Trial #1 7.9 8.2 10 10 9.4 3.9 3.7
D.O. (Lamotte) Trial #2 7.6 8.2 9.5 10.3 9.2 3.9 4
D.O. Average 7.75 8.2 9.75 10.15 9.3 3.9 3.85
D.O. Saturation (%) 83 79 72 88 72 47 43
pH (Lamotte) 7.3 6.5 7 5.5 6.5 6 6.5
pH (Hannah Meter) 7.7 8.2 8.1 8.3 6.7 5.6 NA
Salinity (reftractometer-ppt) 0 0 0 0 0 0 0
Nitrate (vacu-vials/Spec 20-ppm) NA 0.09 0.08 NA 0.08 0.11 0.09
Phosphate (vacu-vials/Spec 20-ppm) NA 0.05 0.05 NA 0.19 0.14 0.29