Station FFFC1 - First Mallard, San Francisco Bay Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
38.195 N 122.033 W (38°11'42" N 122°1'58" W)
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(24 hours for tsunami stations)
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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): | 7.2 ft |
 Ocean Temperature (OTMP): | 48.02 °F |
| Conductivity (COND): | 2.58 mS/cm |
| Salinity (SAL): | 1.30 psu |
| Oxygen Concentration (O2PCT): | 73.9% |
| Oxygen Concentration (O2PPM): | 8.50 ppm |
| Turbidity (TURB): | 32 FTU |
| pH (PH): | 7.50 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-01-20 04:15 am | 7.2 | 48.20 | 2.59 | 1.30 | 74.40 | 8.50 | - | 29 | 7.50 | - |
| 2025-01-20 04:00 am | 6.9 | 48.20 | 2.68 | 1.40 | 74.20 | 8.50 | - | 34 | 7.60 | - |
| 2025-01-20 03:45 am | 6.9 | 48.20 | 2.81 | 1.50 | 73.90 | 8.50 | - | 34 | 7.60 | - |
| 2025-01-20 03:30 am | 6.6 | 48.20 | 2.88 | 1.50 | 73.90 | 8.50 | - | 35 | 7.60 | - |
| 2025-01-20 03:15 am | 6.2 | 48.02 | 2.96 | 1.60 | 74.20 | 8.50 | - | 32 | 7.60 | - |
| 2025-01-20 03:00 am | 5.9 | 48.20 | 3.00 | 1.60 | 74.40 | 8.50 | - | 33 | 7.60 | - |
| 2025-01-20 02:45 am | 5.9 | 48.20 | 3.03 | 1.60 | 74.60 | 8.50 | - | 35 | 7.60 | - |
| 2025-01-20 02:30 am | 5.6 | 48.20 | 3.03 | 1.60 | 74.30 | 8.50 | - | 32 | 7.60 | - |
| 2025-01-20 02:15 am | 5.2 | 47.84 | 2.89 | 1.50 | 74.20 | 8.50 | - | 32 | 7.60 | - |
| 2025-01-20 02:00 am | 5.2 | 48.38 | 2.89 | 1.50 | 73.80 | 8.40 | - | 32 | 7.60 | - |
| 2025-01-20 01:45 am | 4.9 | 48.38 | 2.92 | 1.50 | 73.70 | 8.40 | - | 34 | 7.50 | - |
| 2025-01-20 01:30 am | 4.6 | 48.38 | 2.93 | 1.50 | 73.60 | 8.40 | - | 37 | 7.50 | - |
| 2025-01-20 01:15 am | 4.6 | 48.38 | 2.91 | 1.50 | 73.70 | 8.40 | - | 37 | 7.50 | - |
| 2025-01-20 01:00 am | 4.3 | 48.38 | 3.20 | 1.70 | 72.50 | 8.30 | - | 36 | 7.50 | - |
| 2025-01-20 12:45 am | 4.3 | 48.38 | 3.43 | 1.80 | 71.90 | 8.20 | - | 41 | 7.50 | - |
| 2025-01-20 12:30 am | 4.3 | 48.38 | 3.48 | 1.80 | 70.40 | 8.00 | - | 38 | 7.50 | - |
| 2025-01-20 12:15 am | 4.3 | 48.38 | 3.47 | 1.80 | 71.10 | 8.10 | - | 42 | 7.50 | - |
| 2025-01-20 12:00 am | 4.3 | 48.38 | 3.46 | 1.80 | 71.80 | 8.20 | - | 43 | 7.50 | - |
| 2025-01-19 11:45 pm | 4.3 | 48.56 | 3.45 | 1.80 | 72.20 | 8.20 | - | 44 | 7.50 | - |
| 2025-01-19 11:30 pm | 4.3 | 48.56 | 3.41 | 1.80 | 72.50 | 8.30 | - | 41 | 7.50 | - |
| 2025-01-19 11:15 pm | 4.6 | 48.56 | 3.35 | 1.80 | 72.90 | 8.30 | - | 42 | 7.50 | - |
| 2025-01-19 11:00 pm | 4.6 | 48.74 | 3.31 | 1.70 | 73.20 | 8.30 | - | 41 | 7.50 | - |
| 2025-01-19 10:45 pm | 4.6 | 48.74 | 3.28 | 1.70 | 73.70 | 8.40 | - | 40 | 7.50 | - |
| 2025-01-19 10:30 pm | 4.9 | 48.92 | 3.19 | 1.70 | 74.20 | 8.40 | - | 40 | 7.60 | - |
| 2025-01-19 10:15 pm | 4.9 | 48.74 | 3.09 | 1.60 | 74.70 | 8.50 | - | 40 | 7.60 | - |
| 2025-01-19 10:00 pm | 5.2 | 48.92 | 3.05 | 1.60 | 75.20 | 8.50 | - | 38 | 7.60 | - |
| 2025-01-19 09:45 pm | 5.2 | 49.10 | 2.99 | 1.60 | 75.60 | 8.60 | - | 38 | 7.60 | - |
| 2025-01-19 09:30 pm | 5.6 | 49.28 | 2.96 | 1.60 | 75.80 | 8.60 | - | 36 | 7.60 | - |
| 2025-01-19 09:15 pm | 5.9 | 49.28 | 2.94 | 1.50 | 76.20 | 8.60 | - | 37 | 7.60 | - |
| 2025-01-19 09:00 pm | 5.9 | 49.10 | 2.95 | 1.50 | 76.30 | 8.60 | - | 36 | 7.60 | - |
| 2025-01-19 08:45 pm | 6.2 | 49.10 | 2.95 | 1.50 | 76.20 | 8.60 | - | 35 | 7.60 | - |
| 2025-01-19 08:30 pm | 6.2 | 49.10 | 2.94 | 1.50 | 75.90 | 8.60 | - | 35 | 7.60 | - |
| 2025-01-19 08:15 pm | 6.6 | 49.10 | 2.92 | 1.50 | 76.00 | 8.60 | - | 35 | 7.60 | - |
| 2025-01-19 08:00 pm | 6.6 | 49.10 | 2.86 | 1.50 | 76.00 | 8.60 | - | 35 | 7.60 | - |
| 2025-01-19 07:45 pm | 6.9 | 49.10 | 2.81 | 1.50 | 76.40 | 8.60 | - | 33 | 7.60 | - |
| 2025-01-19 07:30 pm | 6.9 | 49.28 | 2.73 | 1.40 | 76.60 | 8.60 | - | 35 | 7.60 | - |
| 2025-01-19 07:15 pm | 7.2 | 49.46 | 2.57 | 1.30 | 77.20 | 8.70 | - | 33 | 7.60 | - |
| 2025-01-19 07:00 pm | 7.2 | 49.46 | 2.45 | 1.30 | 77.40 | 8.70 | - | 32 | 7.60 | - |
| 2025-01-19 06:45 pm | 7.2 | 49.46 | 2.49 | 1.30 | 77.10 | 8.70 | - | 35 | 7.60 | - |
| 2025-01-19 06:30 pm | 7.2 | 49.64 | 2.48 | 1.30 | 76.90 | 8.70 | - | 33 | 7.60 | - |
| 2025-01-19 06:15 pm | 7.5 | 49.64 | 2.43 | 1.30 | 77.10 | 8.70 | - | 35 | 7.60 | - |
| 2025-01-19 06:00 pm | 7.5 | 49.64 | 2.41 | 1.30 | 77.00 | 8.70 | - | 35 | 7.50 | - |
| 2025-01-19 05:45 pm | 7.5 | 49.64 | 2.34 | 1.20 | 77.00 | 8.70 | - | 33 | 7.50 | - |
| 2025-01-19 05:30 pm | 7.5 | 49.64 | 2.32 | 1.20 | 76.90 | 8.70 | - | 32 | 7.50 | - |
| 2025-01-19 05:15 pm | 7.2 | 49.64 | 2.38 | 1.20 | 77.40 | 8.70 | - | 34 | 7.60 | - |
| 2025-01-19 05:00 pm | 7.2 | 49.82 | 2.56 | 1.30 | 76.70 | 8.60 | - | 33 | 7.60 | - |
| 2025-01-19 04:45 pm | 7.2 | 49.82 | 2.69 | 1.40 | 76.30 | 8.60 | - | 36 | 7.60 | - |
| 2025-01-19 04:30 pm | 7.2 | 49.64 | 2.77 | 1.40 | 75.70 | 8.50 | - | 33 | 7.60 | - |
| 2025-01-19 04:15 pm | 6.9 | 49.64 | 2.81 | 1.50 | 75.20 | 8.50 | - | 36 | 7.60 | - |
| 2025-01-19 04:00 pm | 6.9 | 49.64 | 2.86 | 1.50 | 75.30 | 8.50 | - | 37 | 7.60 | - |
| 2025-01-19 03:45 pm | 6.6 | 49.28 | 2.89 | 1.50 | 75.30 | 8.50 | - | 37 | 7.60 | - |
| 2025-01-19 03:30 pm | 6.6 | 49.28 | 2.92 | 1.50 | 75.10 | 8.50 | - | 37 | 7.60 | - |
| 2025-01-19 03:15 pm | 6.2 | 49.28 | 2.97 | 1.60 | 75.70 | 8.50 | - | 35 | 7.60 | - |
| 2025-01-19 03:00 pm | 6.2 | 49.28 | 2.97 | 1.60 | 75.80 | 8.50 | - | 35 | 7.60 | - |
| 2025-01-19 02:45 pm | 5.9 | 49.46 | 2.94 | 1.50 | 75.80 | 8.50 | - | 36 | 7.60 | - |
| 2025-01-19 02:30 pm | 5.9 | 49.46 | 2.91 | 1.50 | 75.80 | 8.50 | - | 37 | 7.60 | - |
| 2025-01-19 02:15 pm | 5.6 | 49.28 | 2.90 | 1.50 | 75.50 | 8.50 | - | 41 | 7.60 | - |
| 2025-01-19 02:00 pm | 5.6 | 49.46 | 2.91 | 1.50 | 75.80 | 8.50 | - | 35 | 7.60 | - |
| 2025-01-19 01:45 pm | 5.2 | 49.46 | 2.92 | 1.50 | 76.00 | 8.60 | - | 36 | 7.60 | - |
| 2025-01-19 01:30 pm | 5.2 | 49.10 | 2.93 | 1.50 | 75.50 | 8.50 | - | 38 | 7.60 | - |
| 2025-01-19 01:15 pm | 5.2 | 48.38 | 3.14 | 1.70 | 71.40 | 8.20 | - | 34 | 7.50 | - |
| 2025-01-19 01:00 pm | 5.2 | 48.38 | 3.14 | 1.70 | 72.00 | 8.20 | - | 35 | 7.50 | - |
| 2025-01-19 12:45 pm | 5.2 | 48.38 | 3.13 | 1.60 | 73.00 | 8.30 | - | 39 | 7.60 | - |
| 2025-01-19 12:30 pm | 5.2 | 48.38 | 3.13 | 1.60 | 73.40 | 8.40 | - | 39 | 7.60 | - |
| 2025-01-19 12:15 pm | 5.2 | 48.38 | 3.12 | 1.60 | 73.70 | 8.40 | - | 37 | 7.60 | - |
| 2025-01-19 12:00 pm | 5.2 | 48.56 | 3.08 | 1.60 | 73.90 | 8.40 | - | 37 | 7.60 | - |
| 2025-01-19 11:45 am | 5.6 | 48.38 | 3.07 | 1.60 | 73.90 | 8.40 | - | 37 | 7.60 | - |
| 2025-01-19 11:30 am | 5.6 | 48.20 | 3.06 | 1.60 | 73.80 | 8.40 | - | 36 | 7.60 | - |
| 2025-01-19 11:15 am | 5.9 | 48.02 | 3.06 | 1.60 | 73.60 | 8.40 | - | 36 | 7.60 | - |
| 2025-01-19 11:00 am | 5.9 | 47.84 | 3.05 | 1.60 | 73.30 | 8.40 | - | 36 | 7.60 | - |
| 2025-01-19 10:45 am | 6.2 | 47.84 | 3.04 | 1.60 | 73.00 | 8.40 | - | 36 | 7.60 | - |
| 2025-01-19 10:30 am | 6.2 | 47.84 | 3.03 | 1.60 | 72.90 | 8.40 | - | 36 | 7.60 | - |
| 2025-01-19 10:15 am | 6.6 | 47.84 | 3.00 | 1.60 | 72.80 | 8.40 | - | 36 | 7.60 | - |
| 2025-01-19 10:00 am | 6.6 | 47.84 | 2.96 | 1.50 | 72.70 | 8.40 | - | 35 | 7.50 | - |
| 2025-01-19 09:45 am | 6.9 | 47.84 | 2.89 | 1.50 | 72.90 | 8.40 | - | 34 | 7.50 | - |
| 2025-01-19 09:30 am | 6.9 | 47.66 | 2.81 | 1.50 | 73.10 | 8.40 | - | 34 | 7.50 | - |
| 2025-01-19 09:15 am | 7.2 | 47.84 | 2.72 | 1.40 | 73.20 | 8.40 | - | 34 | 7.50 | - |
| 2025-01-19 09:00 am | 7.5 | 47.84 | 2.66 | 1.40 | 73.20 | 8.40 | - | 33 | 7.50 | - |
| 2025-01-19 08:45 am | 7.5 | 47.84 | 2.49 | 1.30 | 73.90 | 8.50 | - | 33 | 7.50 | - |
| 2025-01-19 08:30 am | 7.9 | 47.84 | 2.41 | 1.30 | 74.20 | 8.50 | - | 33 | 7.50 | - |
| 2025-01-19 08:15 am | 7.9 | 48.02 | 2.40 | 1.20 | 74.10 | 8.50 | - | 35 | 7.50 | - |
| 2025-01-19 08:00 am | 8.2 | 48.02 | 2.31 | 1.20 | 74.90 | 8.60 | - | 33 | 7.50 | - |
| 2025-01-19 07:45 am | 8.2 | 48.02 | 1.98 | 1.00 | 76.70 | 8.80 | - | 34 | 7.50 | - |
| 2025-01-19 07:30 am | 8.2 | 48.20 | 1.81 | 0.90 | 77.60 | 8.90 | - | 35 | 7.50 | - |
| 2025-01-19 07:15 am | 8.2 | 48.20 | 1.73 | 0.90 | 78.00 | 9.00 | - | 36 | 7.50 | - |
| 2025-01-19 07:00 am | 8.2 | 48.20 | 1.47 | 0.70 | 79.60 | 9.20 | - | 32 | 7.50 | - |
| 2025-01-19 06:45 am | 8.2 | 48.20 | 1.39 | 0.70 | 80.00 | 9.20 | - | 33 | 7.60 | - |
| 2025-01-19 06:30 am | 8.2 | 48.20 | 1.34 | 0.70 | 80.40 | 9.30 | - | 31 | 7.60 | - |
| 2025-01-19 06:15 am | 8.2 | 48.20 | 1.43 | 0.70 | 79.80 | 9.20 | - | 35 | 7.60 | - |
| 2025-01-19 06:00 am | 8.2 | 48.20 | 1.47 | 0.70 | 79.80 | 9.20 | - | 32 | 7.60 | - |
| 2025-01-19 05:45 am | 8.2 | 48.20 | 1.58 | 0.80 | 79.10 | 9.10 | - | 31 | 7.60 | - |
| 2025-01-19 05:30 am | 8.2 | 48.20 | 1.72 | 0.90 | 78.20 | 9.00 | - | 32 | 7.50 | - |
| 2025-01-19 05:15 am | 7.9 | 48.20 | 1.90 | 1.00 | 77.40 | 8.90 | - | 35 | 7.50 | - |
| 2025-01-19 05:00 am | 7.9 | 48.20 | 2.11 | 1.10 | 76.20 | 8.80 | - | 32 | 7.50 | - |
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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