NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.
Station GBHM6 - Bayou Heron, Grand Bay Reserve, MS
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
30.418 N 88.405 W (30°25'4" N 88°24'19" W)
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These oceanographic data are displayed in rounded times. Click on the graph icon in the table below to see a time series plot of the last five days of that observation. | |
| Depth (DEPTH): | 3.3 ft |
 Ocean Temperature (OTMP): | 85.82 °F |
| Conductivity (COND): | 18.65 mS/cm |
| Salinity (SAL): | 11.00 psu |
| Oxygen Concentration (O2PCT): | 110.7% |
| Oxygen Concentration (O2PPM): | 7.90 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 7.10 |
| TIME (CDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-29 06:45 pm | 3.6 | 85.64 | 18.63 | 11.00 | 108.50 | 7.70 | - | 4 | 7.10 | - |
| 2025-04-29 06:30 pm | 3.6 | 85.64 | 18.64 | 11.00 | 111.30 | 7.90 | - | 4 | 7.10 | - |
| 2025-04-29 06:15 pm | 3.6 | 85.28 | 18.67 | 11.00 | 101.60 | 7.30 | - | 4 | 7.00 | - |
| 2025-04-29 06:00 pm | 3.6 | 86.00 | 18.75 | 11.00 | 107.20 | 7.60 | - | 4 | 7.10 | - |
| 2025-04-29 05:45 pm | 3.9 | 85.28 | 18.68 | 11.00 | 94.70 | 6.80 | - | 5 | 7.00 | - |
| 2025-04-29 05:30 pm | 3.9 | 85.28 | 18.88 | 11.10 | 92.50 | 6.60 | - | 5 | 7.00 | - |
| 2025-04-29 05:15 pm | 3.9 | 84.92 | 18.99 | 11.20 | 86.90 | 6.20 | - | 6 | 6.90 | - |
| 2025-04-29 05:00 pm | 4.3 | 85.28 | 18.97 | 11.20 | 93.50 | 6.70 | - | 5 | 7.00 | - |
| 2025-04-29 04:45 pm | 4.3 | 85.28 | 18.94 | 11.20 | 92.50 | 6.60 | - | 5 | 7.00 | - |
| 2025-04-29 04:30 pm | 4.3 | 84.56 | 19.09 | 11.30 | 83.10 | 6.00 | - | 6 | 6.90 | - |
| 2025-04-29 04:15 pm | 4.6 | 84.74 | 19.06 | 11.30 | 83.60 | 6.00 | - | 6 | 7.00 | - |
| 2025-04-29 04:00 pm | 4.6 | 84.74 | 19.04 | 11.20 | 85.50 | 6.20 | - | 5 | 6.90 | - |
| 2025-04-29 03:45 pm | 4.6 | 84.20 | 19.10 | 11.30 | 80.60 | 5.80 | - | 6 | 6.90 | - |
| 2025-04-29 03:30 pm | 4.9 | 84.92 | 19.05 | 11.20 | 89.00 | 6.40 | - | 5 | 7.00 | - |
| 2025-04-29 03:15 pm | 4.9 | 84.38 | 19.15 | 11.30 | 80.20 | 5.80 | - | 6 | 7.00 | - |
| 2025-04-29 03:00 pm | 4.9 | 84.02 | 19.28 | 11.40 | 75.20 | 5.40 | - | 7 | 7.00 | - |
| 2025-04-29 02:45 pm | 5.2 | 84.56 | 19.22 | 11.40 | 81.60 | 5.90 | - | 6 | 7.00 | - |
| 2025-04-29 02:30 pm | 5.2 | 83.84 | 19.33 | 11.40 | 74.20 | 5.40 | - | 7 | 7.00 | - |
| 2025-04-29 02:15 pm | 5.2 | 84.02 | 19.30 | 11.40 | 78.60 | 5.70 | - | 6 | 7.00 | - |
| 2025-04-29 01:00 pm | 5.2 | 84.20 | 19.35 | 11.50 | 80.50 | 5.80 | - | 6 | 7.10 | - |
| 2025-04-29 12:45 pm | 5.2 | 84.02 | 19.41 | 11.50 | 80.40 | 5.80 | - | 6 | 7.10 | - |
| 2025-04-29 12:30 pm | 5.6 | 83.30 | 19.57 | 11.60 | 70.30 | 5.10 | - | 8 | 7.00 | - |
| 2025-04-29 12:15 pm | 5.6 | 82.94 | 19.63 | 11.60 | 68.00 | 5.00 | - | 8 | 7.00 | - |
| 2025-04-29 12:00 pm | 5.6 | 82.94 | 19.64 | 11.60 | 67.60 | 4.90 | - | 8 | 7.10 | - |
| 2025-04-29 11:45 am | 5.6 | 82.94 | 19.62 | 11.60 | 70.90 | 5.20 | - | 8 | 7.10 | - |
| 2025-04-29 11:30 am | 5.6 | 82.94 | 19.62 | 11.60 | 69.20 | 5.10 | - | 7 | 7.10 | - |
| 2025-04-29 11:15 am | 5.6 | 82.76 | 19.65 | 11.70 | 59.90 | 4.40 | - | 7 | 7.00 | - |
| 2025-04-29 11:00 am | 5.6 | 82.76 | 19.63 | 11.60 | 61.70 | 4.50 | - | 9 | 7.00 | - |
| 2025-04-29 10:45 am | 5.6 | 82.76 | 19.62 | 11.60 | 61.60 | 4.50 | - | 7 | 7.00 | - |
| 2025-04-29 10:30 am | 5.6 | 82.94 | 19.62 | 11.60 | 67.80 | 5.00 | - | 7 | 7.10 | - |
| 2025-04-29 10:15 am | 5.6 | 82.76 | 19.63 | 11.60 | 66.80 | 4.90 | - | 8 | 7.10 | - |
| 2025-04-28 08:00 pm | 3.0 | 86.18 | 18.88 | 11.10 | 98.50 | 7.00 | - | 4 | 7.00 | - |
Links which are specific to this station are listed below:
Real Time Data in tabular form for the last forty-five days.
Historical Data & Climatic Summaries for quality controlled data for prior months and years.
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