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): | 4.3 ft |
 Ocean Temperature (OTMP): | 58.46 °F |
| Conductivity (COND): | 3.13 mS/cm |
| Salinity (SAL): | 1.70 psu |
| Oxygen Saturation (O2PCT): | 73.6% |
| Oxygen Concentration (O2PPM): | 7.40 ppm |
| Turbidity (TURB): | 43 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-09 03:15 pm | 4.3 | 58.46 | 3.11 | 1.60 | 74.30 | 7.50 | - | 40 | 7.50 | - |
| 2026-02-09 03:00 pm | 4.3 | 58.46 | 3.05 | 1.60 | 74.30 | 7.50 | - | 50 | 7.50 | - |
| 2026-02-09 02:45 pm | 4.6 | 58.10 | 3.02 | 1.60 | 74.20 | 7.50 | - | 40 | 7.50 | - |
| 2026-02-09 02:30 pm | 4.6 | 57.92 | 2.91 | 1.50 | 74.60 | 7.60 | - | 44 | 7.50 | - |
| 2026-02-09 02:15 pm | 4.6 | 57.74 | 2.84 | 1.50 | 75.20 | 7.60 | - | 39 | 7.50 | - |
| 2026-02-09 02:00 pm | 4.9 | 57.56 | 2.74 | 1.40 | 75.90 | 7.70 | - | 38 | 7.50 | - |
| 2026-02-09 01:45 pm | 4.9 | 57.38 | 2.64 | 1.40 | 76.30 | 7.80 | - | 38 | 7.50 | - |
| 2026-02-09 01:30 pm | 5.2 | 57.38 | 2.54 | 1.30 | 77.60 | 7.90 | - | 36 | 7.50 | - |
| 2026-02-09 01:15 pm | 5.2 | 57.20 | 2.46 | 1.30 | 78.10 | 8.00 | - | 36 | 7.50 | - |
| 2026-02-09 01:00 pm | 5.6 | 57.02 | 2.39 | 1.20 | 78.30 | 8.00 | - | 36 | 7.50 | - |
| 2026-02-09 12:45 pm | 5.9 | 57.02 | 2.33 | 1.20 | 78.60 | 8.10 | - | 37 | 7.50 | - |
| 2026-02-09 12:30 pm | 5.9 | 56.84 | 2.27 | 1.20 | 78.20 | 8.00 | - | 37 | 7.50 | - |
| 2026-02-09 12:15 pm | 6.2 | 56.84 | 2.24 | 1.20 | 78.40 | 8.10 | - | 36 | 7.50 | - |
| 2026-02-09 12:00 pm | 6.2 | 56.66 | 2.22 | 1.10 | 78.50 | 8.10 | - | 36 | 7.50 | - |
| 2026-02-09 11:45 am | 6.6 | 56.66 | 2.20 | 1.10 | 78.90 | 8.10 | - | 34 | 7.50 | - |
| 2026-02-09 11:30 am | 6.6 | 56.48 | 2.18 | 1.10 | 78.70 | 8.10 | - | 34 | 7.50 | - |
| 2026-02-09 11:15 am | 6.9 | 56.48 | 2.18 | 1.10 | 78.70 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-09 11:00 am | 6.9 | 56.30 | 2.18 | 1.10 | 78.60 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-09 10:45 am | 7.2 | 56.30 | 2.18 | 1.10 | 78.50 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-09 10:30 am | 7.2 | 56.12 | 2.18 | 1.10 | 78.10 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-09 10:15 am | 7.5 | 56.12 | 2.17 | 1.10 | 78.00 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-09 10:00 am | 7.5 | 56.12 | 2.14 | 1.10 | 78.00 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-09 09:45 am | 7.9 | 55.94 | 2.09 | 1.10 | 77.60 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-09 09:30 am | 7.9 | 55.94 | 2.07 | 1.10 | 78.00 | 8.10 | - | 31 | 7.50 | - |
| 2026-02-09 09:15 am | 8.2 | 55.94 | 2.02 | 1.00 | 78.20 | 8.10 | - | 31 | 7.50 | - |
| 2026-02-09 09:00 am | 8.2 | 55.94 | 1.94 | 1.00 | 79.00 | 8.20 | - | 30 | 7.50 | - |
| 2026-02-09 08:45 am | 8.2 | 55.76 | 1.84 | 0.90 | 79.60 | 8.30 | - | 33 | 7.50 | - |
| 2026-02-09 08:30 am | 8.2 | 55.58 | 1.77 | 0.90 | 79.90 | 8.40 | - | 34 | 7.50 | - |
| 2026-02-09 08:15 am | 8.5 | 55.40 | 1.56 | 0.80 | 81.10 | 8.50 | - | 32 | 7.50 | - |
| 2026-02-09 08:00 am | 8.5 | 55.22 | 1.54 | 0.80 | 81.10 | 8.50 | - | 36 | 7.50 | - |
| 2026-02-09 07:45 am | 8.5 | 55.22 | 1.46 | 0.70 | 81.70 | 8.60 | - | 35 | 7.50 | - |
| 2026-02-09 07:30 am | 8.5 | 55.04 | 1.31 | 0.70 | 82.40 | 8.70 | - | 33 | 7.60 | - |
| 2026-02-09 07:15 am | 8.2 | 54.86 | 1.18 | 0.60 | 83.10 | 8.80 | - | 81 | 7.60 | - |
| 2026-02-09 07:00 am | 8.2 | 55.04 | 1.29 | 0.70 | 82.90 | 8.70 | - | 34 | 7.60 | - |
| 2026-02-09 06:45 am | 8.2 | 55.22 | 1.46 | 0.70 | 81.80 | 8.60 | - | 28 | 7.50 | - |
| 2026-02-09 06:30 am | 8.2 | 55.40 | 1.59 | 0.80 | 81.00 | 8.50 | - | 30 | 7.50 | - |
| 2026-02-09 06:15 am | 8.2 | 55.58 | 1.69 | 0.90 | 80.70 | 8.40 | - | 31 | 7.50 | - |
| 2026-02-09 06:00 am | 8.2 | 55.76 | 1.80 | 0.90 | 80.20 | 8.40 | - | 33 | 7.50 | - |
| 2026-02-09 05:45 am | 7.9 | 55.94 | 1.90 | 1.00 | 79.60 | 8.30 | - | 31 | 7.50 | - |
| 2026-02-09 05:30 am | 7.9 | 55.94 | 1.96 | 1.00 | 79.40 | 8.30 | - | 34 | 7.50 | - |
| 2026-02-09 05:15 am | 7.9 | 56.12 | 2.03 | 1.00 | 78.90 | 8.20 | - | 35 | 7.50 | - |
| 2026-02-09 05:00 am | 7.9 | 56.30 | 2.08 | 1.10 | 78.70 | 8.20 | - | 31 | 7.50 | - |
| 2026-02-09 04:45 am | 7.5 | 56.30 | 2.13 | 1.10 | 78.40 | 8.10 | - | 29 | 7.50 | - |
| 2026-02-09 04:30 am | 7.5 | 56.48 | 2.17 | 1.10 | 78.40 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-09 04:15 am | 7.5 | 56.48 | 2.21 | 1.10 | 78.40 | 8.10 | - | 39 | 7.50 | - |
| 2026-02-09 04:00 am | 7.2 | 56.48 | 2.20 | 1.10 | 78.90 | 8.20 | - | 33 | 7.50 | - |
| 2026-02-09 03:45 am | 7.2 | 56.48 | 2.18 | 1.10 | 79.60 | 8.20 | - | 33 | 7.50 | - |
| 2026-02-09 03:30 am | 6.9 | 56.66 | 2.17 | 1.10 | 80.00 | 8.30 | - | 31 | 7.60 | - |
| 2026-02-09 03:15 am | 6.9 | 56.66 | 2.16 | 1.10 | 80.20 | 8.30 | - | 31 | 7.60 | - |
| 2026-02-09 03:00 am | 6.9 | 56.84 | 2.16 | 1.10 | 80.60 | 8.30 | - | 34 | 7.60 | - |
| 2026-02-09 02:45 am | 6.6 | 56.84 | 2.15 | 1.10 | 80.70 | 8.30 | - | 31 | 7.60 | - |
| 2026-02-09 02:30 am | 6.6 | 57.02 | 2.16 | 1.10 | 81.00 | 8.30 | - | 32 | 7.60 | - |
| 2026-02-09 02:15 am | 6.2 | 57.20 | 2.15 | 1.10 | 81.20 | 8.30 | - | 31 | 7.60 | - |
| 2026-02-09 02:00 am | 6.2 | 57.20 | 2.15 | 1.10 | 81.20 | 8.30 | - | 34 | 7.60 | - |
| 2026-02-09 01:45 am | 6.2 | 57.38 | 2.15 | 1.10 | 81.60 | 8.40 | - | 32 | 7.60 | - |
| 2026-02-09 01:30 am | 6.2 | 57.38 | 2.15 | 1.10 | 81.80 | 8.40 | - | 32 | 7.60 | - |
| 2026-02-09 01:15 am | 5.9 | 57.02 | 2.16 | 1.10 | 81.40 | 8.40 | - | 33 | 7.60 | - |
| 2026-02-09 01:00 am | 5.9 | 56.84 | 2.22 | 1.20 | 80.80 | 8.30 | - | 36 | 7.60 | - |
| 2026-02-09 12:45 am | 5.9 | 56.84 | 2.19 | 1.10 | 80.20 | 8.30 | - | 35 | 7.60 | - |
| 2026-02-09 12:30 am | 5.9 | 56.84 | 2.19 | 1.10 | 78.60 | 8.10 | - | 32 | 7.60 | - |
| 2026-02-09 12:15 am | 5.9 | 57.02 | 2.21 | 1.10 | 81.20 | 8.30 | - | 36 | 7.60 | - |
| 2026-02-09 12:00 am | 5.9 | 57.02 | 2.23 | 1.20 | 81.00 | 8.30 | - | 39 | 7.60 | - |
| 2026-02-08 11:45 pm | 5.9 | 57.20 | 2.23 | 1.20 | 81.30 | 8.30 | - | 44 | 7.60 | - |
| 2026-02-08 11:30 pm | 6.2 | 57.20 | 2.22 | 1.10 | 81.30 | 8.30 | - | 41 | 7.60 | - |
| 2026-02-08 11:15 pm | 6.2 | 57.20 | 2.23 | 1.20 | 81.20 | 8.30 | - | 37 | 7.60 | - |
| 2026-02-08 11:00 pm | 6.2 | 57.20 | 2.24 | 1.20 | 80.90 | 8.30 | - | 37 | 7.60 | - |
| 2026-02-08 10:45 pm | 6.2 | 57.20 | 2.28 | 1.20 | 80.00 | 8.20 | - | 36 | 7.60 | - |
| 2026-02-08 10:30 pm | 6.6 | 57.20 | 2.29 | 1.20 | 80.30 | 8.20 | - | 37 | 7.60 | - |
| 2026-02-08 10:15 pm | 6.6 | 56.84 | 2.37 | 1.20 | 79.50 | 8.20 | - | 34 | 7.60 | - |
| 2026-02-08 10:00 pm | 6.6 | 56.84 | 2.42 | 1.30 | 78.60 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-08 09:45 pm | 6.9 | 56.84 | 2.42 | 1.30 | 79.00 | 8.10 | - | 31 | 7.50 | - |
| 2026-02-08 09:30 pm | 6.9 | 56.84 | 2.42 | 1.30 | 78.90 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-08 09:15 pm | 6.9 | 57.02 | 2.43 | 1.30 | 78.60 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-08 09:00 pm | 6.9 | 57.02 | 2.41 | 1.30 | 78.70 | 8.10 | - | 33 | 7.50 | - |
| 2026-02-08 08:45 pm | 6.9 | 57.20 | 2.39 | 1.20 | 78.70 | 8.10 | - | 36 | 7.50 | - |
| 2026-02-08 08:30 pm | 7.2 | 57.20 | 2.35 | 1.20 | 79.10 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-08 08:15 pm | 7.2 | 57.20 | 2.36 | 1.20 | 78.60 | 8.00 | - | 32 | 7.50 | - |
| 2026-02-08 08:00 pm | 7.2 | 57.20 | 2.37 | 1.20 | 75.00 | 7.70 | - | 30 | 7.50 | - |
| 2026-02-08 07:45 pm | 7.2 | 57.20 | 2.37 | 1.20 | 78.40 | 8.00 | - | 29 | 7.50 | - |
| 2026-02-08 07:30 pm | 7.2 | 57.20 | 2.38 | 1.20 | 77.40 | 7.90 | - | 30 | 7.50 | - |
| 2026-02-08 07:15 pm | 6.9 | 57.20 | 2.38 | 1.20 | 77.80 | 8.00 | - | 29 | 7.50 | - |
| 2026-02-08 07:00 pm | 6.9 | 57.20 | 2.40 | 1.30 | 78.30 | 8.00 | - | 33 | 7.50 | - |
| 2026-02-08 06:45 pm | 6.9 | 57.02 | 2.43 | 1.30 | 78.20 | 8.00 | - | 32 | 7.50 | - |
| 2026-02-08 06:30 pm | 6.9 | 57.02 | 2.43 | 1.30 | 78.70 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-08 06:15 pm | 6.9 | 57.02 | 2.43 | 1.30 | 78.60 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-08 06:00 pm | 6.6 | 56.84 | 2.43 | 1.30 | 78.60 | 8.10 | - | 32 | 7.50 | - |
| 2026-02-08 05:45 pm | 6.6 | 56.84 | 2.39 | 1.20 | 78.80 | 8.10 | - | 34 | 7.50 | - |
| 2026-02-08 05:30 pm | 6.6 | 57.38 | 2.25 | 1.20 | 81.20 | 8.30 | - | 37 | 7.60 | - |
| 2026-02-08 05:15 pm | 6.2 | 57.92 | 2.16 | 1.10 | 83.20 | 8.50 | - | 42 | 7.60 | - |
| 2026-02-08 05:00 pm | 6.2 | 58.10 | 2.12 | 1.10 | 83.90 | 8.50 | - | 43 | 7.60 | - |
| 2026-02-08 04:45 pm | 5.9 | 57.92 | 2.14 | 1.10 | 83.50 | 8.50 | - | 40 | 7.60 | - |
| 2026-02-08 04:30 pm | 5.9 | 57.56 | 2.21 | 1.10 | 82.20 | 8.40 | - | 40 | 7.60 | - |
| 2026-02-08 04:15 pm | 5.6 | 57.20 | 2.31 | 1.20 | 80.70 | 8.30 | - | 37 | 7.60 | - |
| 2026-02-08 04:00 pm | 5.2 | 56.66 | 2.44 | 1.30 | 79.00 | 8.10 | - | 36 | 7.50 | - |
Historical data for station FFFC1 are available at the NERRS website.
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