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 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): | 0.3 ft |
 Ocean Temperature (OTMP): | 69.62 °F |
| Conductivity (COND): | 55.57 mS/cm |
| Salinity (SAL): | 36.90 psu |
| Oxygen Concentration (O2PCT): | 105.4% |
| Oxygen Concentration (O2PPM): | 7.60 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 8.30 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-25 01:00 pm | 0.7 | 69.44 | 55.49 | 36.90 | 100.90 | 7.30 | - | 5 | 8.30 | - |
| 2025-04-25 12:45 pm | 0.7 | 69.08 | 55.49 | 36.90 | 96.30 | 7.00 | - | 5 | 8.30 | - |
| 2025-04-25 12:30 pm | 1.0 | 68.90 | 55.45 | 36.80 | 92.60 | 6.70 | - | 5 | 8.30 | - |
| 2025-04-25 12:15 pm | 1.3 | 68.72 | 55.39 | 36.80 | 89.90 | 6.50 | - | 5 | 8.30 | - |
| 2025-04-25 12:00 pm | 1.6 | 68.54 | 55.45 | 36.90 | 87.70 | 6.40 | - | 5 | 8.30 | - |
| 2025-04-25 11:45 am | 2.0 | 68.54 | 55.48 | 36.90 | 86.10 | 6.30 | - | 5 | 8.30 | - |
| 2025-04-25 11:30 am | 2.3 | 68.36 | 55.33 | 36.80 | 85.70 | 6.30 | - | 5 | 8.30 | - |
| 2025-04-25 11:15 am | 2.6 | 68.36 | 55.08 | 36.60 | 85.20 | 6.20 | - | 4 | 8.30 | - |
| 2025-04-25 11:00 am | 2.6 | 68.36 | 54.63 | 36.20 | 84.40 | 6.20 | - | 4 | 8.20 | - |
| 2025-04-25 10:45 am | 3.0 | 68.36 | 53.99 | 35.80 | 84.00 | 6.20 | - | 3 | 8.20 | - |
| 2025-04-25 10:30 am | 3.6 | 68.54 | 53.73 | 35.60 | 85.20 | 6.20 | - | 3 | 8.20 | - |
| 2025-04-25 10:15 am | 3.6 | 68.90 | 53.72 | 35.60 | 76.60 | 5.60 | - | 2 | 8.20 | - |
| 2025-04-25 10:00 am | 3.9 | 69.26 | 54.12 | 35.90 | 61.90 | 4.50 | - | 1 | 8.20 | - |
| 2025-04-25 09:45 am | 4.3 | 69.26 | 54.12 | 35.90 | 62.50 | 4.50 | - | 1 | 8.20 | - |
| 2025-04-25 09:30 am | 4.6 | 69.26 | 54.13 | 35.90 | 59.50 | 4.30 | - | 1 | 8.20 | - |
| 2025-04-25 09:15 am | 4.6 | 69.26 | 54.15 | 35.90 | 56.80 | 4.10 | - | 1 | 8.10 | - |
| 2025-04-25 09:00 am | 4.9 | 69.08 | 54.11 | 35.80 | 58.90 | 4.30 | - | 1 | 8.10 | - |
| 2025-04-25 08:45 am | 4.9 | 69.08 | 54.12 | 35.90 | 58.90 | 4.30 | - | 2 | 8.10 | - |
| 2025-04-25 08:30 am | 5.2 | 69.08 | 54.11 | 35.80 | 57.90 | 4.20 | - | 1 | 8.10 | - |
| 2025-04-25 08:15 am | 5.2 | 68.90 | 54.05 | 35.80 | 61.80 | 4.50 | - | 1 | 8.20 | - |
| 2025-04-25 08:00 am | 5.2 | 68.72 | 54.04 | 35.80 | 63.20 | 4.60 | - | 1 | 8.20 | - |
| 2025-04-25 07:45 am | 5.2 | 68.72 | 54.01 | 35.80 | 66.10 | 4.80 | - | 1 | 8.20 | - |
| 2025-04-25 07:30 am | 4.9 | 68.72 | 54.01 | 35.80 | 67.10 | 4.90 | - | 1 | 8.20 | - |
| 2025-04-25 07:15 am | 4.9 | 68.54 | 53.99 | 35.80 | 67.20 | 4.90 | - | 1 | 8.20 | - |
| 2025-04-25 07:00 am | 4.6 | 68.54 | 54.01 | 35.80 | 67.10 | 4.90 | - | 1 | 8.20 | - |
| 2025-04-25 06:45 am | 4.3 | 68.54 | 54.01 | 35.80 | 69.00 | 5.10 | - | 1 | 8.20 | - |
| 2025-04-25 06:30 am | 3.9 | 68.54 | 54.00 | 35.80 | 69.50 | 5.10 | - | 1 | 8.20 | - |
| 2025-04-25 06:15 am | 3.9 | 68.54 | 54.06 | 35.80 | 68.20 | 5.00 | - | 1 | 8.20 | - |
| 2025-04-25 06:00 am | 3.6 | 68.54 | 53.90 | 35.70 | 74.80 | 5.50 | - | 3 | 8.20 | - |
| 2025-04-25 05:45 am | 3.3 | 68.54 | 53.92 | 35.70 | 75.40 | 5.50 | - | 2 | 8.20 | - |
| 2025-04-25 05:30 am | 3.0 | 68.54 | 54.02 | 35.80 | 74.40 | 5.40 | - | 2 | 8.20 | - |
| 2025-04-25 05:15 am | 2.6 | 68.72 | 54.13 | 35.90 | 74.10 | 5.40 | - | 2 | 8.20 | - |
| 2025-04-25 05:00 am | 2.0 | 68.72 | 54.22 | 35.90 | 73.80 | 5.40 | - | 2 | 8.20 | - |
| 2025-04-25 04:45 am | 1.6 | 68.72 | 54.32 | 36.00 | 73.40 | 5.40 | - | 2 | 8.20 | - |
| 2025-04-25 04:30 am | 1.3 | 69.08 | 54.45 | 36.10 | 74.20 | 5.40 | - | 3 | 8.20 | - |
| 2025-04-25 04:15 am | 1.0 | 69.26 | 54.54 | 36.20 | 76.50 | 5.60 | - | 3 | 8.20 | - |
| 2025-04-25 04:00 am | 1.0 | 69.62 | 54.67 | 36.30 | 80.90 | 5.90 | - | 4 | 8.30 | - |
| 2025-04-25 03:45 am | 0.7 | 70.34 | 54.97 | 36.50 | 88.00 | 6.30 | - | 4 | 8.30 | - |
| 2025-04-25 03:30 am | 0.3 | 71.06 | 55.44 | 36.80 | 92.30 | 6.60 | - | 5 | 8.30 | - |
| 2025-04-25 03:15 am | 0.3 | 71.60 | 55.47 | 36.90 | 94.60 | 6.70 | - | 5 | 8.40 | - |
| 2025-04-25 03:00 am | 0.0 | 71.78 | 55.43 | 36.80 | 96.50 | 6.80 | - | 4 | 8.40 | - |
| 2025-04-25 02:45 am | 0.0 | 71.78 | 55.42 | 36.80 | 97.70 | 6.90 | - | 4 | 8.40 | - |
| 2025-04-25 02:30 am | 0.0 | 71.78 | 55.41 | 36.80 | 100.00 | 7.10 | - | 6 | 8.40 | - |
| 2025-04-25 02:15 am | 0.0 | 71.96 | 55.47 | 36.80 | 102.30 | 7.20 | - | 6 | 8.40 | - |
| 2025-04-25 02:00 am | 0.0 | 72.14 | 55.58 | 36.90 | 104.70 | 7.30 | - | 6 | 8.40 | - |
| 2025-04-25 01:45 am | 0.3 | 72.32 | 55.67 | 37.00 | 107.00 | 7.50 | - | 7 | 8.40 | - |
| 2025-04-25 01:30 am | 0.3 | 72.50 | 55.69 | 37.00 | 109.30 | 7.60 | - | 7 | 8.40 | - |
| 2025-04-25 01:15 am | 0.7 | 72.68 | 55.58 | 36.90 | 111.60 | 7.80 | - | 8 | 8.40 | - |
| 2025-04-25 01:00 am | 0.7 | 72.86 | 55.34 | 36.70 | 113.80 | 8.00 | - | 7 | 8.40 | - |
| 2025-04-25 12:45 am | 1.0 | 73.04 | 55.26 | 36.70 | 115.40 | 8.00 | - | 8 | 8.40 | - |
| 2025-04-25 12:30 am | 1.3 | 73.22 | 55.32 | 36.70 | 116.30 | 8.10 | - | 8 | 8.40 | - |
| 2025-04-25 12:15 am | 1.6 | 73.22 | 55.41 | 36.80 | 115.80 | 8.10 | - | 8 | 8.40 | - |
| 2025-04-25 12:00 am | 2.0 | 73.22 | 55.35 | 36.70 | 114.80 | 8.00 | - | 7 | 8.40 | - |
| 2025-04-24 11:45 pm | 2.3 | 73.04 | 55.11 | 36.60 | 114.30 | 8.00 | - | 6 | 8.40 | - |
| 2025-04-24 11:30 pm | 2.3 | 73.04 | 54.84 | 36.40 | 113.90 | 8.00 | - | 6 | 8.40 | - |
| 2025-04-24 11:15 pm | 2.6 | 72.68 | 54.38 | 36.00 | 111.90 | 7.90 | - | 5 | 8.40 | - |
| 2025-04-24 11:00 pm | 3.0 | 72.32 | 53.95 | 35.70 | 110.60 | 7.80 | - | 4 | 8.30 | - |
| 2025-04-24 10:45 pm | 3.3 | 71.96 | 53.76 | 35.60 | 111.70 | 7.90 | - | 3 | 8.30 | - |
| 2025-04-24 10:30 pm | 3.6 | 71.96 | 53.60 | 35.50 | 108.20 | 7.70 | - | 2 | 8.30 | - |
| 2025-04-24 10:15 pm | 3.9 | 71.96 | 53.58 | 35.40 | 114.50 | 8.10 | - | 2 | 8.30 | - |
| 2025-04-24 10:00 pm | 3.9 | 71.78 | 53.41 | 35.30 | 114.90 | 8.20 | - | 2 | 8.30 | - |
| 2025-04-24 09:45 pm | 4.3 | 71.60 | 53.29 | 35.20 | 113.50 | 8.10 | - | 2 | 8.30 | - |
| 2025-04-24 09:30 pm | 4.6 | 71.78 | 53.19 | 35.10 | 113.60 | 8.10 | - | 1 | 8.30 | - |
| 2025-04-24 09:15 pm | 4.9 | 71.78 | 53.11 | 35.10 | 113.70 | 8.10 | - | 1 | 8.30 | - |
| 2025-04-24 09:00 pm | 4.9 | 71.96 | 53.08 | 35.10 | 113.30 | 8.10 | - | 1 | 8.30 | - |
| 2025-04-24 08:45 pm | 5.2 | 73.40 | 53.73 | 35.50 | 107.90 | 7.60 | - | 1 | 8.30 | - |
| 2025-04-24 08:30 pm | 5.2 | 73.58 | 53.77 | 35.60 | 108.00 | 7.50 | - | 1 | 8.30 | - |
| 2025-04-24 08:15 pm | 5.6 | 73.76 | 53.85 | 35.60 | 109.90 | 7.70 | - | 1 | 8.30 | - |
| 2025-04-24 08:00 pm | 5.6 | 73.58 | 53.74 | 35.50 | 114.50 | 8.00 | - | 1 | 8.30 | - |
| 2025-04-24 07:45 pm | 5.6 | 73.58 | 53.71 | 35.50 | 117.80 | 8.20 | - | 1 | 8.30 | - |
| 2025-04-24 07:30 pm | 5.6 | 73.76 | 53.79 | 35.60 | 120.90 | 8.40 | - | 1 | 8.30 | - |
| 2025-04-24 07:15 pm | 5.2 | 73.76 | 53.78 | 35.60 | 121.00 | 8.40 | - | 1 | 8.30 | - |
| 2025-04-24 07:00 pm | 5.2 | 73.58 | 53.66 | 35.50 | 125.90 | 8.80 | - | 1 | 8.40 | - |
| 2025-04-24 06:45 pm | 4.9 | 73.04 | 53.43 | 35.30 | 129.10 | 9.10 | - | 1 | 8.40 | - |
| 2025-04-24 06:30 pm | 4.6 | 73.22 | 53.48 | 35.40 | 132.00 | 9.30 | - | 1 | 8.40 | - |
| 2025-04-24 06:15 pm | 4.3 | 73.76 | 53.66 | 35.50 | 135.30 | 9.40 | - | 1 | 8.40 | - |
| 2025-04-24 06:00 pm | 3.9 | 73.94 | 53.75 | 35.60 | 139.50 | 9.70 | - | 1 | 8.40 | - |
| 2025-04-24 05:45 pm | 3.6 | 73.94 | 53.79 | 35.60 | - | 9.90 | - | 1 | 8.40 | - |
| 2025-04-24 05:30 pm | 3.3 | 74.30 | 53.92 | 35.70 | - | 10.20 | - | 2 | 8.40 | - |
| 2025-04-24 05:15 pm | 3.0 | 74.48 | 53.99 | 35.70 | - | 10.30 | - | 1 | 8.40 | - |
| 2025-04-24 05:00 pm | 2.6 | 74.84 | 54.02 | 35.70 | - | 10.50 | - | 2 | 8.40 | - |
| 2025-04-24 04:45 pm | 2.3 | 75.02 | 54.12 | 35.80 | - | 10.60 | - | 2 | 8.40 | - |
| 2025-04-24 04:30 pm | 2.0 | 75.20 | 54.15 | 35.80 | - | 10.80 | - | 2 | 8.40 | - |
| 2025-04-24 04:15 pm | 1.3 | 75.56 | 54.26 | 35.90 | - | 11.10 | - | 3 | 8.50 | - |
| 2025-04-24 04:00 pm | 1.0 | 75.92 | 54.38 | 36.00 | - | 11.60 | - | 4 | 8.50 | - |
| 2025-04-24 03:45 pm | 0.7 | 76.10 | 54.53 | 36.10 | - | 11.50 | - | 5 | 8.50 | - |
| 2025-04-24 03:30 pm | 0.3 | 75.74 | 54.59 | 36.20 | - | 10.90 | - | 5 | 8.50 | - |
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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