Station NPQC1 - South Bay, Tijuana River Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
32.601 N 117.116 W (32°36'4" N 117°6'57" 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): | 3.6 ft |
 Ocean Temperature (OTMP): | 77.00 °F |
| Conductivity (COND): | 55.43 mS/cm |
| Salinity (SAL): | 36.80 psu |
| Oxygen Saturation (O2PCT): | 93.4% |
| Oxygen Concentration (O2PPM): | 6.30 ppm |
| Turbidity (TURB): | 3 FTU |
| pH (PH): | 7.90 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-20 02:00 pm | 3.6 | 76.64 | 55.85 | 37.10 | 74.20 | 5.00 | - | 3 | 7.80 | - |
| 2025-07-20 01:45 pm | 3.3 | 76.46 | 55.87 | 37.10 | 86.10 | 5.80 | - | 3 | 7.80 | - |
| 2025-07-20 01:30 pm | 3.3 | 76.46 | 56.33 | 37.40 | 76.10 | 5.10 | - | 3 | 7.70 | - |
| 2025-07-20 01:15 pm | 3.0 | 76.46 | 56.59 | 37.60 | 76.20 | 5.10 | - | 3 | 7.80 | - |
| 2025-07-20 01:00 pm | 3.0 | 76.28 | 56.75 | 37.80 | 70.90 | 4.80 | - | 4 | 7.70 | - |
| 2025-07-20 12:45 pm | 2.6 | 75.56 | 56.92 | 37.90 | 41.30 | 2.80 | - | 3 | 7.60 | - |
| 2025-07-20 12:30 pm | 2.6 | 75.56 | 56.88 | 37.90 | 51.60 | 3.50 | - | 3 | 7.60 | - |
| 2025-07-20 12:15 pm | 2.6 | 75.38 | 56.86 | 37.90 | 57.40 | 3.90 | - | 3 | 7.70 | - |
| 2025-07-20 12:00 pm | 2.6 | 74.66 | 56.89 | 37.90 | 48.40 | 3.30 | - | 2 | 7.60 | - |
| 2025-07-20 11:45 am | 2.6 | 74.48 | 56.87 | 37.90 | 49.90 | 3.40 | - | 2 | 7.60 | - |
| 2025-07-20 11:30 am | 2.6 | 74.30 | 56.85 | 37.90 | 49.90 | 3.40 | - | 2 | 7.60 | - |
| 2025-07-20 11:15 am | 2.6 | 74.30 | 56.80 | 37.80 | 35.80 | 2.50 | - | 2 | 7.60 | - |
| 2025-07-20 11:00 am | 2.6 | 74.12 | 56.79 | 37.80 | 42.00 | 2.90 | - | 2 | 7.60 | - |
| 2025-07-20 10:45 am | 3.0 | 74.12 | 56.80 | 37.80 | 46.30 | 3.20 | - | 2 | 7.60 | - |
| 2025-07-20 10:30 am | 3.0 | 74.30 | 56.78 | 37.80 | 34.00 | 2.30 | - | 3 | 7.60 | - |
| 2025-07-20 10:15 am | 3.0 | 74.30 | 56.75 | 37.80 | 29.20 | 2.00 | - | 2 | 7.60 | - |
| 2025-07-20 10:00 am | 3.0 | 74.48 | 56.79 | 37.80 | 30.00 | 2.10 | - | 2 | 7.60 | - |
| 2025-07-20 09:45 am | 3.0 | 74.48 | 56.78 | 37.80 | 37.30 | 2.50 | - | 2 | 7.60 | - |
| 2025-07-20 09:30 am | 3.3 | 74.48 | 56.77 | 37.80 | 38.80 | 2.70 | - | 3 | 7.60 | - |
| 2025-07-20 09:15 am | 3.3 | 74.30 | 56.59 | 37.70 | 36.60 | 2.50 | - | 3 | 7.60 | - |
| 2025-07-20 09:00 am | 3.3 | 74.30 | 56.62 | 37.70 | 37.20 | 2.50 | - | 2 | 7.60 | - |
| 2025-07-20 08:45 am | 3.3 | 74.30 | 56.61 | 37.70 | 36.30 | 2.50 | - | 2 | 7.60 | - |
| 2025-07-20 08:30 am | 3.3 | 74.66 | 56.69 | 37.70 | 38.90 | 2.70 | - | 2 | 7.60 | - |
| 2025-07-20 08:15 am | 3.6 | 74.66 | 56.64 | 37.70 | 42.70 | 2.90 | - | 2 | 7.60 | - |
| 2025-07-20 08:00 am | 3.6 | 74.66 | 56.60 | 37.70 | 40.80 | 2.80 | - | 4 | 7.60 | - |
| 2025-07-20 07:45 am | 3.6 | 74.66 | 56.56 | 37.60 | 42.90 | 2.90 | - | 2 | 7.70 | - |
| 2025-07-20 07:30 am | 3.6 | 74.66 | 56.49 | 37.60 | 49.80 | 3.40 | - | 3 | 7.70 | - |
| 2025-07-20 07:15 am | 3.6 | 74.66 | 56.43 | 37.50 | 52.20 | 3.60 | - | 2 | 7.70 | - |
| 2025-07-20 07:00 am | 3.6 | 74.66 | 56.52 | 37.60 | 44.80 | 3.10 | - | 3 | 7.70 | - |
| 2025-07-20 06:45 am | 3.6 | 74.66 | 56.49 | 37.60 | 50.00 | 3.40 | - | 2 | 7.70 | - |
| 2025-07-20 06:30 am | 3.3 | 74.66 | 56.45 | 37.60 | 53.90 | 3.70 | - | 3 | 7.70 | - |
| 2025-07-20 06:15 am | 3.3 | 74.66 | 56.42 | 37.50 | 52.00 | 3.60 | - | 3 | 7.70 | - |
| 2025-07-20 06:00 am | 3.0 | 74.66 | 56.42 | 37.50 | 56.20 | 3.80 | - | 3 | 7.70 | - |
| 2025-07-20 05:45 am | 3.0 | 74.66 | 56.34 | 37.50 | 60.00 | 4.10 | - | 8 | 7.70 | - |
| 2025-07-20 05:30 am | 2.6 | 74.84 | 56.24 | 37.40 | 54.00 | 3.70 | - | 4 | 7.70 | - |
| 2025-07-20 05:15 am | 2.6 | 74.66 | 56.12 | 37.30 | 56.90 | 3.90 | - | 3 | 7.70 | - |
| 2025-07-20 05:00 am | 2.3 | 74.84 | 56.17 | 37.40 | 60.40 | 4.10 | - | 3 | 7.70 | - |
| 2025-07-20 04:45 am | 2.3 | 74.84 | 56.23 | 37.40 | 61.70 | 4.20 | - | 4 | 7.70 | - |
| 2025-07-20 04:30 am | 2.0 | 74.84 | 56.24 | 37.40 | 59.70 | 4.10 | - | 4 | 7.70 | - |
| 2025-07-20 04:15 am | 1.6 | 74.84 | 56.34 | 37.50 | 58.40 | 4.00 | - | 3 | 7.70 | - |
| 2025-07-20 04:00 am | 1.6 | 74.84 | 56.40 | 37.50 | 61.30 | 4.20 | - | 4 | 7.70 | - |
| 2025-07-20 03:45 am | 1.3 | 74.84 | 56.49 | 37.60 | 60.30 | 4.10 | - | 4 | 7.70 | - |
| 2025-07-20 03:30 am | 1.3 | 74.84 | 56.58 | 37.70 | 61.70 | 4.20 | - | 5 | 7.70 | - |
| 2025-07-20 03:15 am | 1.0 | 74.84 | 56.72 | 37.80 | 62.00 | 4.20 | - | 5 | 7.70 | - |
| 2025-07-20 03:00 am | 0.7 | 75.02 | 56.68 | 37.70 | 61.30 | 4.20 | - | 4 | 7.70 | - |
| 2025-07-20 02:45 am | 0.7 | 75.02 | 56.65 | 37.70 | 64.40 | 4.40 | - | 4 | 7.80 | - |
| 2025-07-20 02:30 am | 0.7 | 75.20 | 57.10 | 38.00 | 64.30 | 4.40 | - | 4 | 7.80 | - |
| 2025-07-20 02:15 am | 0.3 | 75.38 | 58.24 | 38.90 | 63.90 | 4.30 | - | 4 | 7.80 | - |
| 2025-07-20 02:00 am | 0.3 | 75.74 | 58.74 | 39.30 | 64.10 | 4.30 | - | 4 | 7.80 | - |
| 2025-07-20 01:45 am | 0.0 | 75.92 | 58.78 | 39.30 | 60.20 | 4.00 | - | 3 | 7.80 | - |
| 2025-07-20 01:30 am | 0.0 | 76.10 | 58.79 | 39.30 | 63.50 | 4.20 | - | 3 | 7.80 | - |
| 2025-07-20 01:00 am | 0.0 | 76.28 | 58.78 | 39.30 | 65.60 | 4.40 | - | 3 | 7.80 | - |
| 2025-07-20 12:45 am | 0.3 | 76.46 | 58.79 | 39.30 | 70.40 | 4.70 | - | 4 | 7.80 | - |
| 2025-07-20 12:30 am | 0.3 | 76.64 | 58.80 | 39.30 | 73.40 | 4.90 | - | 4 | 7.80 | - |
| 2025-07-20 12:15 am | 0.3 | 76.82 | 58.78 | 39.30 | 77.00 | 5.10 | - | 4 | 7.90 | - |
| 2025-07-20 12:00 am | 0.3 | 77.00 | 58.73 | 39.30 | 79.30 | 5.20 | - | 5 | 7.90 | - |
| 2025-07-19 11:45 pm | 0.7 | 77.18 | 58.68 | 39.20 | 80.50 | 5.30 | - | 4 | 7.90 | - |
| 2025-07-19 11:30 pm | 0.7 | 77.36 | 58.60 | 39.10 | 82.40 | 5.40 | - | 5 | 7.90 | - |
| 2025-07-19 11:15 pm | 1.0 | 77.36 | 58.48 | 39.10 | 83.90 | 5.50 | - | 5 | 7.90 | - |
| 2025-07-19 11:00 pm | 1.3 | 77.54 | 58.30 | 38.90 | 84.40 | 5.60 | - | 5 | 7.90 | - |
| 2025-07-19 10:45 pm | 1.3 | 77.54 | 58.09 | 38.80 | 84.40 | 5.60 | - | 5 | 7.90 | - |
| 2025-07-19 10:30 pm | 1.6 | 77.54 | 57.89 | 38.60 | 83.50 | 5.50 | - | 5 | 7.90 | - |
| 2025-07-19 10:15 pm | 2.0 | 77.72 | 57.60 | 38.40 | 83.50 | 5.50 | - | 7 | 7.80 | - |
| 2025-07-19 10:00 pm | 2.3 | 77.72 | 57.23 | 38.10 | 82.20 | 5.40 | - | 4 | 7.80 | - |
| 2025-07-19 09:45 pm | 2.6 | 77.90 | 56.91 | 37.90 | 83.10 | 5.50 | - | 4 | 7.80 | - |
| 2025-07-19 09:30 pm | 2.6 | 77.90 | 56.61 | 37.60 | 84.40 | 5.60 | - | 4 | 7.80 | - |
| 2025-07-19 09:15 pm | 3.0 | 78.08 | 56.41 | 37.50 | 86.40 | 5.70 | - | 4 | 7.80 | - |
| 2025-07-19 09:00 pm | 3.3 | 78.08 | 56.13 | 37.30 | 89.00 | 5.90 | - | 3 | 7.90 | - |
| 2025-07-19 08:45 pm | 3.6 | 78.08 | 55.98 | 37.20 | 89.40 | 5.90 | - | 3 | 7.90 | - |
| 2025-07-19 08:30 pm | 3.9 | 78.26 | 55.87 | 37.10 | 90.60 | 6.00 | - | 2 | 7.90 | - |
| 2025-07-19 08:15 pm | 4.3 | 78.26 | 55.72 | 37.00 | 93.60 | 6.20 | - | 3 | 7.90 | - |
| 2025-07-19 08:00 pm | 4.6 | 78.26 | 55.62 | 36.90 | 93.50 | 6.20 | - | 2 | 7.90 | - |
| 2025-07-19 07:45 pm | 4.6 | 78.08 | 55.34 | 36.70 | 92.40 | 6.10 | - | 2 | 7.90 | - |
| 2025-07-19 07:30 pm | 4.9 | 78.08 | 55.27 | 36.60 | 90.50 | 6.00 | - | 2 | 7.90 | - |
| 2025-07-19 07:15 pm | 5.2 | 78.26 | 55.32 | 36.70 | 68.60 | 4.60 | - | 3 | 7.80 | - |
| 2025-07-19 07:00 pm | 5.6 | 78.26 | 55.32 | 36.70 | 71.60 | 4.70 | - | 3 | 7.80 | - |
| 2025-07-19 06:45 pm | 5.6 | 78.26 | 55.33 | 36.70 | 80.20 | 5.30 | - | 2 | 7.80 | - |
| 2025-07-19 06:30 pm | 5.6 | 78.26 | 55.34 | 36.70 | 76.70 | 5.10 | - | 2 | 7.80 | - |
| 2025-07-19 06:15 pm | 5.9 | 78.26 | 55.32 | 36.70 | 82.30 | 5.50 | - | 3 | 7.80 | - |
| 2025-07-19 06:00 pm | 5.9 | 78.26 | 55.25 | 36.60 | 82.10 | 5.40 | - | 2 | 7.80 | - |
| 2025-07-19 05:45 pm | 5.9 | 78.26 | 55.26 | 36.60 | 80.00 | 5.30 | - | 3 | 7.80 | - |
| 2025-07-19 05:30 pm | 6.2 | 78.26 | 55.16 | 36.50 | 79.60 | 5.30 | - | 2 | 7.80 | - |
| 2025-07-19 05:15 pm | 6.2 | 78.26 | 55.16 | 36.50 | 79.20 | 5.30 | - | 2 | 7.80 | - |
| 2025-07-19 05:00 pm | 6.2 | 78.08 | 55.06 | 36.50 | 86.10 | 5.70 | - | 2 | 7.90 | - |
| 2025-07-19 04:45 pm | 6.2 | 78.08 | 54.93 | 36.40 | 81.80 | 5.50 | - | 2 | 7.90 | - |
| 2025-07-19 04:30 pm | 5.9 | 78.08 | 54.93 | 36.40 | 80.60 | 5.40 | - | 2 | 7.80 | - |
| 2025-07-19 04:15 pm | 5.9 | 78.08 | 54.94 | 36.40 | 88.10 | 5.90 | - | 2 | 7.90 | - |
| 2025-07-19 04:00 pm | 5.9 | 78.08 | 54.97 | 36.40 | 93.00 | 6.20 | - | 2 | 7.90 | - |
| 2025-07-19 03:45 pm | 5.6 | 78.08 | 55.02 | 36.40 | 88.00 | 5.90 | - | 2 | 7.90 | - |
| 2025-07-19 03:30 pm | 5.2 | 78.08 | 55.07 | 36.50 | 82.10 | 5.50 | - | 2 | 7.90 | - |
| 2025-07-19 03:15 pm | 5.2 | 78.08 | 55.07 | 36.50 | 94.90 | 6.30 | - | 2 | 7.90 | - |
| 2025-07-19 03:00 pm | 4.9 | 78.08 | 55.17 | 36.60 | 91.00 | 6.00 | - | 2 | 7.90 | - |
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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