Station RYEC1 - Second Mallard, San Francisco Bay Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
38.184 N 122.014 W (38°11'3" N 122°0'49" 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): | 4.6 ft |
 Ocean Temperature (OTMP): | 51.08 °F |
| Conductivity (COND): | 4.05 mS/cm |
| Salinity (SAL): | 2.20 psu |
| Oxygen Concentration (O2PCT): | 67.7% |
| Oxygen Concentration (O2PPM): | 7.40 ppm |
| Turbidity (TURB): | 31 FTU |
| pH (PH): | 7.30 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-12-05 10:15 pm | 4.9 | 51.26 | 3.93 | 2.10 | 67.90 | 7.50 | - | 29 | 7.30 | - |
| 2024-12-05 10:00 pm | 4.9 | 51.26 | 3.81 | 2.00 | 68.30 | 7.50 | - | 31 | 7.30 | - |
| 2024-12-05 09:45 pm | 5.2 | 51.26 | 3.68 | 2.00 | 68.60 | 7.50 | - | 31 | 7.30 | - |
| 2024-12-05 09:30 pm | 5.2 | 51.44 | 3.56 | 1.90 | 68.80 | 7.50 | - | 32 | 7.30 | - |
| 2024-12-05 09:15 pm | 5.6 | 51.44 | 3.46 | 1.80 | 68.90 | 7.50 | - | 33 | 7.30 | - |
| 2024-12-05 09:00 pm | 5.9 | 51.44 | 3.35 | 1.80 | 69.20 | 7.60 | - | 32 | 7.30 | - |
| 2024-12-05 08:45 pm | 5.9 | 51.62 | 3.23 | 1.70 | 69.30 | 7.60 | - | 33 | 7.30 | - |
| 2024-12-05 08:30 pm | 6.2 | 51.62 | 3.13 | 1.60 | 69.60 | 7.60 | - | 33 | 7.30 | - |
| 2024-12-05 08:15 pm | 6.2 | 51.62 | 2.98 | 1.60 | 69.80 | 7.60 | - | 34 | 7.30 | - |
| 2024-12-05 08:00 pm | 6.6 | 51.62 | 2.83 | 1.50 | 70.10 | 7.70 | - | 34 | 7.30 | - |
| 2024-12-05 07:45 pm | 6.9 | 51.62 | 2.73 | 1.40 | 70.30 | 7.70 | - | 34 | 7.30 | - |
| 2024-12-05 07:30 pm | 7.2 | 51.62 | 2.67 | 1.40 | 70.40 | 7.70 | - | 37 | 7.30 | - |
| 2024-12-05 07:15 pm | 7.2 | 51.80 | 2.52 | 1.30 | 70.60 | 7.70 | - | 36 | 7.30 | - |
| 2024-12-05 07:00 pm | 7.5 | 51.80 | 2.43 | 1.30 | 70.80 | 7.80 | - | 38 | 7.30 | - |
| 2024-12-05 06:45 pm | 7.9 | 51.80 | 2.34 | 1.20 | 71.00 | 7.80 | - | 37 | 7.30 | - |
| 2024-12-05 06:30 pm | 8.2 | 51.62 | 2.55 | 1.30 | 70.30 | 7.70 | - | 37 | 7.30 | - |
| 2024-12-05 06:15 pm | 8.5 | 51.44 | 3.15 | 1.70 | 69.20 | 7.60 | - | 40 | 7.30 | - |
| 2024-12-05 06:00 pm | 8.5 | 51.62 | 2.85 | 1.50 | 69.70 | 7.60 | - | 40 | 7.30 | - |
| 2024-12-05 05:45 pm | 8.9 | 51.62 | 2.64 | 1.40 | 70.70 | 7.70 | - | 41 | 7.30 | - |
| 2024-12-05 05:30 pm | 9.2 | 51.98 | 1.81 | 0.90 | 72.70 | 8.00 | - | 43 | 7.30 | - |
| 2024-12-05 05:15 pm | 9.2 | 52.16 | 1.55 | 0.80 | 73.00 | 8.00 | - | 39 | 7.30 | - |
| 2024-12-05 05:00 pm | 9.2 | 52.16 | 1.55 | 0.80 | 72.50 | 7.90 | - | 39 | 7.30 | - |
| 2024-12-05 04:45 pm | 9.2 | 52.16 | 1.55 | 0.80 | 72.70 | 7.90 | - | 38 | 7.30 | - |
| 2024-12-05 04:30 pm | 9.2 | 52.16 | 1.55 | 0.80 | 73.20 | 8.00 | - | 44 | 7.30 | - |
| 2024-12-05 04:15 pm | 9.2 | 52.16 | 1.55 | 0.80 | 73.50 | 8.00 | - | 39 | 7.30 | - |
| 2024-12-05 04:00 pm | 9.2 | 52.16 | 1.55 | 0.80 | 73.60 | 8.00 | - | 43 | 7.30 | - |
| 2024-12-05 03:45 pm | 9.2 | 52.16 | 1.56 | 0.80 | 73.60 | 8.00 | - | 50 | 7.30 | - |
| 2024-12-05 03:30 pm | 9.2 | 52.16 | 1.57 | 0.80 | 73.40 | 8.00 | - | 56 | 7.30 | - |
| 2024-12-05 03:15 pm | 9.2 | 52.16 | 1.58 | 0.80 | 73.50 | 8.00 | - | 50 | 7.30 | - |
| 2024-12-05 03:00 pm | 9.2 | 52.16 | 1.54 | 0.80 | 73.50 | 8.00 | - | 54 | 7.30 | - |
| 2024-12-05 02:45 pm | 8.9 | 51.98 | 1.51 | 0.80 | 73.30 | 8.00 | - | 55 | 7.30 | - |
| 2024-12-05 02:30 pm | 8.9 | 51.98 | 1.54 | 0.80 | 73.30 | 8.00 | - | 54 | 7.30 | - |
| 2024-12-05 02:15 pm | 8.9 | 51.98 | 1.54 | 0.80 | 73.20 | 8.00 | - | 56 | 7.30 | - |
| 2024-12-05 02:00 pm | 8.5 | 51.80 | 1.54 | 0.80 | 73.00 | 8.00 | - | 55 | 7.30 | - |
| 2024-12-05 01:45 pm | 8.5 | 51.62 | 1.65 | 0.80 | 72.20 | 8.00 | - | 48 | 7.30 | - |
| 2024-12-05 01:30 pm | 8.2 | 51.44 | 1.89 | 1.00 | 71.60 | 7.90 | - | 40 | 7.30 | - |
| 2024-12-05 01:15 pm | 8.2 | 51.44 | 1.98 | 1.00 | 71.30 | 7.90 | - | 37 | 7.40 | - |
| 2024-12-05 01:00 pm | 7.9 | 51.26 | 2.15 | 1.10 | 70.70 | 7.80 | - | 39 | 7.40 | - |
| 2024-12-05 12:45 pm | 7.5 | 51.26 | 2.43 | 1.30 | 70.30 | 7.80 | - | 39 | 7.40 | - |
| 2024-12-05 12:30 pm | 7.5 | 51.26 | 2.66 | 1.40 | 69.70 | 7.70 | - | 39 | 7.30 | - |
| 2024-12-05 12:15 pm | 7.2 | 51.26 | 2.78 | 1.50 | 69.80 | 7.70 | - | 36 | 7.30 | - |
| 2024-12-05 12:00 pm | 7.2 | 51.26 | 2.86 | 1.50 | 70.20 | 7.70 | - | 36 | 7.30 | - |
| 2024-12-05 11:45 am | 6.9 | 51.26 | 2.97 | 1.60 | 69.50 | 7.70 | - | 36 | 7.30 | - |
| 2024-12-05 11:30 am | 6.9 | 50.90 | 4.32 | 2.30 | 67.60 | 7.40 | - | 33 | 7.30 | - |
| 2024-12-05 11:15 am | 6.9 | 50.90 | 4.26 | 2.30 | 67.70 | 7.40 | - | 34 | 7.30 | - |
| 2024-12-05 11:00 am | 6.9 | 51.08 | 4.33 | 2.30 | 68.00 | 7.50 | - | 85 | 7.30 | - |
| 2024-12-05 10:45 am | 6.6 | 50.90 | 4.38 | 2.40 | 67.30 | 7.40 | - | 34 | 7.20 | - |
| 2024-12-05 10:30 am | 6.6 | 50.90 | 4.36 | 2.30 | 68.10 | 7.50 | - | 34 | 7.20 | - |
| 2024-12-05 10:15 am | 6.9 | 50.90 | 4.31 | 2.30 | 68.10 | 7.50 | - | 34 | 7.20 | - |
| 2024-12-05 10:00 am | 6.9 | 50.90 | 4.25 | 2.30 | 68.30 | 7.50 | - | 35 | 7.20 | - |
| 2024-12-05 09:45 am | 6.9 | 50.90 | 4.10 | 2.20 | 68.70 | 7.60 | - | 32 | 7.20 | - |
| 2024-12-05 09:30 am | 7.2 | 50.90 | 4.03 | 2.20 | 69.00 | 7.60 | - | 36 | 7.20 | - |
| 2024-12-05 09:15 am | 7.2 | 51.08 | 3.94 | 2.10 | 69.20 | 7.60 | - | 34 | 7.20 | - |
| 2024-12-05 09:00 am | 7.2 | 51.08 | 4.03 | 2.10 | 69.20 | 7.60 | - | 36 | 7.20 | - |
| 2024-12-05 08:45 am | 7.5 | 51.08 | 4.06 | 2.20 | 69.20 | 7.60 | - | 36 | 7.20 | - |
| 2024-12-05 08:30 am | 7.9 | 51.08 | 3.90 | 2.10 | 69.40 | 7.60 | - | 39 | 7.20 | - |
| 2024-12-05 08:15 am | 7.9 | 51.08 | 3.71 | 2.00 | 69.30 | 7.60 | - | 35 | 7.20 | - |
| 2024-12-05 08:00 am | 8.2 | 51.08 | 3.59 | 1.90 | 69.40 | 7.60 | - | 33 | 7.20 | - |
| 2024-12-05 07:45 am | 8.2 | 51.08 | 3.46 | 1.80 | 69.90 | 7.70 | - | 32 | 7.20 | - |
| 2024-12-05 07:30 am | 8.2 | 51.08 | 3.36 | 1.80 | 70.00 | 7.70 | - | 34 | 7.20 | - |
| 2024-12-05 07:15 am | 8.2 | 51.26 | 3.20 | 1.70 | 70.10 | 7.70 | - | 34 | 7.20 | - |
| 2024-12-05 07:00 am | 8.2 | 51.26 | 2.89 | 1.50 | 70.50 | 7.80 | - | 34 | 7.20 | - |
| 2024-12-05 06:45 am | 8.5 | 51.26 | 1.92 | 1.00 | 71.90 | 7.90 | - | 36 | 7.20 | - |
| 2024-12-05 06:30 am | 8.5 | 51.26 | 1.32 | 0.70 | 72.40 | 8.00 | - | 38 | 7.30 | - |
| 2024-12-05 06:15 am | 8.5 | 51.44 | 1.42 | 0.70 | 73.30 | 8.10 | - | 41 | 7.30 | - |
| 2024-12-05 06:00 am | 8.5 | 51.44 | 1.23 | 0.60 | 73.60 | 8.10 | - | 42 | 7.30 | - |
| 2024-12-05 05:45 am | 8.2 | 51.44 | 1.21 | 0.60 | 73.60 | 8.10 | - | 39 | 7.30 | - |
| 2024-12-05 05:30 am | 8.2 | 51.44 | 1.19 | 0.60 | 73.60 | 8.10 | - | 41 | 7.30 | - |
| 2024-12-05 05:15 am | 8.2 | 51.44 | 1.20 | 0.60 | 73.60 | 8.10 | - | 40 | 7.30 | - |
| 2024-12-05 05:00 am | 8.2 | 51.44 | 1.21 | 0.60 | 73.80 | 8.10 | - | 42 | 7.30 | - |
| 2024-12-05 04:45 am | 7.9 | 51.44 | 1.39 | 0.70 | 73.40 | 8.10 | - | 46 | 7.30 | - |
| 2024-12-05 04:30 am | 7.9 | 51.44 | 1.66 | 0.80 | 73.10 | 8.10 | - | 45 | 7.30 | - |
| 2024-12-05 04:15 am | 7.9 | 51.26 | 2.00 | 1.00 | 72.60 | 8.00 | - | 45 | 7.30 | - |
| 2024-12-05 04:00 am | 7.5 | 51.26 | 2.45 | 1.30 | 72.10 | 7.90 | - | 43 | 7.30 | - |
| 2024-12-05 03:45 am | 7.5 | 51.26 | 2.89 | 1.50 | 71.40 | 7.90 | - | 43 | 7.30 | - |
| 2024-12-05 03:30 am | 7.2 | 51.26 | 3.40 | 1.80 | 70.80 | 7.80 | - | 44 | 7.20 | - |
| 2024-12-05 03:15 am | 7.2 | 51.26 | 3.86 | 2.10 | 70.10 | 7.70 | - | 43 | 7.30 | - |
| 2024-12-05 03:00 am | 6.9 | 51.26 | 4.11 | 2.20 | 69.80 | 7.60 | - | 43 | 7.30 | - |
| 2024-12-05 02:45 am | 6.6 | 51.26 | 4.34 | 2.30 | 69.60 | 7.60 | - | 42 | 7.30 | - |
| 2024-12-05 02:30 am | 6.2 | 51.26 | 4.61 | 2.50 | 69.30 | 7.60 | - | 36 | 7.30 | - |
| 2024-12-05 02:15 am | 5.9 | 51.26 | 4.93 | 2.70 | 69.00 | 7.50 | - | 32 | 7.30 | - |
| 2024-12-05 02:00 am | 5.6 | 51.26 | 5.16 | 2.80 | 68.60 | 7.50 | - | 32 | 7.30 | - |
| 2024-12-05 01:45 am | 5.2 | 51.26 | 5.32 | 2.90 | 68.20 | 7.40 | - | 28 | 7.30 | - |
| 2024-12-05 01:30 am | 4.9 | 51.26 | 5.46 | 3.00 | 68.00 | 7.40 | - | 29 | 7.30 | - |
| 2024-12-05 01:15 am | 4.6 | 50.90 | 5.31 | 2.90 | 68.60 | 7.50 | - | 28 | 7.20 | - |
| 2024-12-05 01:00 am | 4.3 | 50.72 | 5.22 | 2.80 | 70.60 | 7.80 | - | 29 | 7.20 | - |
| 2024-12-05 12:45 am | 3.9 | 50.90 | 5.31 | 2.90 | 71.50 | 7.80 | - | 30 | 7.20 | - |
| 2024-12-05 12:30 am | 3.6 | 50.54 | 5.36 | 2.90 | 68.40 | 7.50 | - | 27 | 7.20 | - |
| 2024-12-05 12:15 am | 3.6 | 49.64 | 5.15 | 2.80 | 66.40 | 7.40 | - | 27 | 7.20 | - |
| 2024-12-05 12:00 am | 3.6 | 49.64 | 5.15 | 2.80 | 66.40 | 7.40 | - | 26 | 7.20 | - |
| 2024-12-04 11:45 pm | 3.6 | 49.82 | 5.12 | 2.80 | 66.80 | 7.40 | - | 27 | 7.20 | - |
| 2024-12-04 11:30 pm | 3.6 | 49.82 | 5.04 | 2.70 | 66.90 | 7.40 | - | 29 | 7.20 | - |
| 2024-12-04 11:15 pm | 3.9 | 50.00 | 4.95 | 2.70 | 67.10 | 7.50 | - | 30 | 7.20 | - |
| 2024-12-04 11:00 pm | 3.9 | 50.00 | 4.86 | 2.60 | 67.60 | 7.50 | - | 28 | 7.20 | - |
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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