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): | 0.0 ft |
 Ocean Temperature (OTMP): | 82.04 °F |
| Conductivity (COND): | 58.53 mS/cm |
| Salinity (SAL): | 39.00 psu |
| Oxygen Saturation (O2PCT): | 59.1% |
| Oxygen Concentration (O2PPM): | 3.70 ppm |
| Turbidity (TURB): | 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-08 12:45 am | 0.0 | 82.40 | 58.44 | 38.90 | 72.90 | 4.60 | - | 7 | 8.00 | - |
| 2026-08-08 12:30 am | 0.0 | 82.76 | 58.40 | 38.90 | 76.20 | 4.80 | - | 6 | 8.00 | - |
| 2026-08-08 12:15 am | 0.3 | 82.94 | 58.39 | 38.90 | 78.70 | 4.90 | - | 7 | 8.00 | - |
| 2026-08-08 12:00 am | 0.3 | 83.12 | 58.36 | 38.90 | 81.70 | 5.10 | - | 7 | 8.00 | - |
| 2026-08-07 11:45 pm | 0.7 | 83.30 | 58.36 | 38.90 | 83.80 | 5.20 | - | 9 | 8.00 | - |
| 2026-08-07 11:30 pm | 0.7 | 83.48 | 58.33 | 38.80 | 87.00 | 5.40 | - | 7 | 8.00 | - |
| 2026-08-07 11:15 pm | 1.0 | 83.66 | 58.27 | 38.80 | 89.30 | 5.60 | - | 8 | 8.00 | - |
| 2026-08-07 11:00 pm | 1.0 | 83.84 | 58.17 | 38.70 | 90.60 | 5.70 | - | 5 | 8.00 | - |
| 2026-08-07 10:45 pm | 1.3 | 83.66 | 57.97 | 38.60 | 91.80 | 5.70 | - | 6 | 8.00 | - |
| 2026-08-07 10:30 pm | 1.6 | 83.66 | 57.67 | 38.30 | 92.30 | 5.80 | - | 5 | 8.00 | - |
| 2026-08-07 10:15 pm | 2.0 | 83.48 | 57.37 | 38.10 | 93.30 | 5.90 | - | 4 | 8.00 | - |
| 2026-08-07 10:00 pm | 2.3 | 83.48 | 57.10 | 37.90 | 96.00 | 6.00 | - | 5 | 8.00 | - |
| 2026-08-07 09:45 pm | 2.6 | 83.48 | 56.74 | 37.60 | 96.60 | 6.10 | - | 4 | 8.00 | - |
| 2026-08-07 09:30 pm | 3.0 | 83.48 | 56.35 | 37.40 | 94.40 | 5.90 | - | 2 | 8.00 | - |
| 2026-08-07 09:15 pm | 3.3 | 83.66 | 56.14 | 37.20 | 94.10 | 5.90 | - | 2 | 8.00 | - |
| 2026-08-07 09:00 pm | 3.3 | 83.66 | 56.00 | 37.10 | 96.00 | 6.00 | - | 3 | 8.00 | - |
| 2026-08-07 08:45 pm | 3.6 | 83.66 | 55.86 | 37.00 | 100.30 | 6.30 | - | 3 | 8.10 | - |
| 2026-08-07 08:30 pm | 3.9 | 82.94 | 55.92 | 37.00 | 93.20 | 5.90 | - | 3 | 8.00 | - |
| 2026-08-07 08:15 pm | 4.3 | 82.04 | 56.25 | 37.30 | 62.70 | 4.00 | - | 3 | 7.90 | - |
| 2026-08-07 08:00 pm | 4.6 | 81.86 | 56.25 | 37.30 | 67.60 | 4.30 | - | 4 | 7.90 | - |
| 2026-08-07 07:45 pm | 4.6 | 81.68 | 56.33 | 37.40 | 63.10 | 4.00 | - | 3 | 7.90 | - |
| 2026-08-07 07:30 pm | 4.9 | 81.50 | 56.34 | 37.40 | 64.40 | 4.10 | - | 3 | 7.90 | - |
| 2026-08-07 07:15 pm | 5.2 | 81.50 | 56.35 | 37.40 | 53.50 | 3.40 | - | 5 | 7.90 | - |
| 2026-08-07 07:00 pm | 5.2 | 81.68 | 56.33 | 37.40 | 66.70 | 4.30 | - | 3 | 8.00 | - |
| 2026-08-07 06:45 pm | 5.2 | 81.50 | 56.34 | 37.40 | 68.60 | 4.40 | - | 3 | 8.00 | - |
| 2026-08-07 06:30 pm | 5.6 | 81.50 | 56.35 | 37.40 | 71.70 | 4.60 | - | 5 | 7.90 | - |
| 2026-08-07 06:15 pm | 5.6 | 81.50 | 56.35 | 37.40 | 72.40 | 4.60 | - | 4 | 8.00 | - |
| 2026-08-07 06:00 pm | 5.9 | 81.50 | 56.34 | 37.40 | 73.50 | 4.70 | - | 2 | 8.00 | - |
| 2026-08-07 05:45 pm | 5.9 | 81.50 | 56.33 | 37.40 | 76.60 | 4.90 | - | 7 | 8.00 | - |
| 2026-08-07 05:30 pm | 6.2 | 81.50 | 56.35 | 37.40 | 81.20 | 5.20 | - | 2 | 8.00 | - |
| 2026-08-07 05:15 pm | 6.2 | 81.50 | 56.34 | 37.40 | 87.00 | 5.60 | - | 3 | 8.00 | - |
| 2026-08-07 05:00 pm | 6.2 | 81.32 | 56.36 | 37.40 | 81.80 | 5.30 | - | 2 | 8.00 | - |
| 2026-08-07 04:45 pm | 6.2 | 81.32 | 56.36 | 37.40 | 82.70 | 5.30 | - | 3 | 8.00 | - |
| 2026-08-07 04:30 pm | 6.2 | 81.32 | 56.36 | 37.40 | 82.70 | 5.30 | - | 2 | 8.00 | - |
| 2026-08-07 04:15 pm | 5.9 | 81.32 | 56.36 | 37.40 | 83.90 | 5.40 | - | 3 | 8.00 | - |
| 2026-08-07 04:00 pm | 5.9 | 81.32 | 56.36 | 37.40 | 78.60 | 5.00 | - | 1 | 8.00 | - |
| 2026-08-07 03:45 pm | 5.9 | 81.32 | 56.36 | 37.40 | 76.60 | 4.90 | - | 2 | 8.00 | - |
| 2026-08-07 03:30 pm | 5.6 | 81.32 | 56.36 | 37.40 | 78.40 | 5.00 | - | 3 | 8.00 | - |
| 2026-08-07 03:15 pm | 5.6 | 81.32 | 56.34 | 37.40 | 79.50 | 5.10 | - | 13 | 8.00 | - |
| 2026-08-07 03:00 pm | 5.2 | 81.14 | 56.34 | 37.40 | 87.50 | 5.60 | - | 4 | 8.00 | - |
| 2026-08-07 02:45 pm | 4.9 | 81.14 | 56.35 | 37.40 | 79.80 | 5.10 | - | 2 | 8.00 | - |
| 2026-08-07 02:30 pm | 4.9 | 81.14 | 56.34 | 37.40 | 83.50 | 5.40 | - | 2 | 8.00 | - |
| 2026-08-07 02:15 pm | 4.9 | 81.32 | 56.31 | 37.40 | 84.90 | 5.50 | - | 5 | 8.00 | - |
| 2026-08-07 02:00 pm | 4.6 | 80.96 | 56.36 | 37.40 | 81.70 | 5.30 | - | 5 | 8.00 | - |
| 2026-08-07 01:45 pm | 4.3 | 80.78 | 56.34 | 37.40 | 72.50 | 4.70 | - | 2 | 7.90 | - |
| 2026-08-07 01:30 pm | 4.3 | 80.78 | 56.33 | 37.40 | 79.90 | 5.20 | - | 2 | 8.00 | - |
| 2026-08-07 01:15 pm | 4.3 | 80.78 | 56.33 | 37.40 | 76.20 | 4.90 | - | 3 | 8.00 | - |
| 2026-08-07 01:00 pm | 3.9 | 80.78 | 56.33 | 37.40 | 71.90 | 4.60 | - | 3 | 8.00 | - |
| 2026-08-07 12:45 pm | 3.9 | 80.78 | 56.32 | 37.40 | 78.00 | 5.00 | - | 5 | 8.00 | - |
| 2026-08-07 12:30 pm | 3.6 | 80.42 | 56.33 | 37.40 | 73.90 | 4.80 | - | 4 | 8.00 | - |
| 2026-08-07 12:15 pm | 3.6 | 80.42 | 56.33 | 37.40 | 68.90 | 4.50 | - | 2 | 7.90 | - |
| 2026-08-07 12:00 pm | 3.6 | 80.42 | 56.33 | 37.40 | 72.90 | 4.70 | - | 3 | 8.00 | - |
| 2026-08-07 11:45 am | 3.3 | 80.42 | 56.33 | 37.40 | 75.70 | 4.90 | - | 3 | 8.00 | - |
| 2026-08-07 11:30 am | 3.0 | 80.24 | 56.34 | 37.40 | 76.50 | 5.00 | - | 4 | 8.00 | - |
| 2026-08-07 11:15 am | 3.0 | 80.24 | 56.33 | 37.40 | 64.20 | 4.20 | - | 2 | 7.90 | - |
| 2026-08-07 11:00 am | 3.0 | 80.06 | 56.31 | 37.40 | 66.20 | 4.30 | - | 2 | 7.90 | - |
| 2026-08-07 10:45 am | 3.0 | 80.06 | 56.31 | 37.40 | 64.80 | 4.20 | - | 2 | 7.90 | - |
| 2026-08-07 10:30 am | 3.0 | 80.06 | 56.29 | 37.40 | 64.40 | 4.20 | - | 2 | 7.90 | - |
| 2026-08-07 10:15 am | 3.0 | 80.06 | 56.28 | 37.40 | 65.10 | 4.20 | - | 2 | 8.00 | - |
| 2026-08-07 10:00 am | 3.0 | 80.06 | 56.27 | 37.40 | 69.50 | 4.50 | - | 2 | 8.00 | - |
| 2026-08-07 09:45 am | 3.0 | 80.06 | 56.34 | 37.40 | 61.10 | 4.00 | - | 2 | 8.00 | - |
| 2026-08-07 09:30 am | 3.3 | 80.06 | 56.41 | 37.50 | 63.80 | 4.10 | - | 2 | 7.90 | - |
| 2026-08-07 09:15 am | 3.3 | 80.06 | 56.40 | 37.50 | 66.90 | 4.40 | - | 3 | 8.00 | - |
| 2026-08-07 09:00 am | 3.3 | 80.06 | 56.39 | 37.40 | 69.20 | 4.50 | - | 4 | 8.00 | - |
| 2026-08-07 08:45 am | 3.3 | 80.06 | 56.40 | 37.50 | 66.60 | 4.30 | - | 2 | 8.00 | - |
| 2026-08-07 08:30 am | 3.3 | 80.06 | 56.52 | 37.50 | 61.90 | 4.00 | - | 3 | 8.00 | - |
| 2026-08-07 08:15 am | 3.6 | 80.06 | 56.51 | 37.50 | 65.90 | 4.30 | - | 3 | 8.00 | - |
| 2026-08-07 08:00 am | 3.3 | 80.06 | 56.54 | 37.60 | 68.00 | 4.40 | - | 5 | 8.00 | - |
| 2026-08-07 07:45 am | 3.0 | 80.24 | 56.63 | 37.60 | 56.80 | 3.70 | - | 3 | 7.90 | - |
| 2026-08-07 07:30 am | 3.3 | 80.24 | 56.67 | 37.70 | 56.80 | 3.70 | - | 2 | 7.90 | - |
| 2026-08-07 07:15 am | 3.3 | 80.24 | 56.71 | 37.70 | 66.30 | 4.30 | - | 5 | 8.00 | - |
| 2026-08-07 07:00 am | 3.3 | 80.24 | 56.71 | 37.70 | 56.10 | 3.60 | - | 3 | 7.90 | - |
| 2026-08-07 06:45 am | 3.3 | 80.24 | 56.73 | 37.70 | 57.30 | 3.70 | - | 3 | 7.90 | - |
| 2026-08-07 06:30 am | 3.3 | 80.24 | 56.72 | 37.70 | 61.60 | 4.00 | - | 3 | 7.90 | - |
| 2026-08-07 06:15 am | 3.3 | 80.06 | 56.73 | 37.70 | 63.30 | 4.10 | - | 2 | 7.90 | - |
| 2026-08-07 06:00 am | 3.3 | 80.24 | 56.72 | 37.70 | 65.70 | 4.30 | - | 5 | 8.00 | - |
| 2026-08-07 05:45 am | 3.3 | 80.24 | 56.69 | 37.70 | 66.60 | 4.30 | - | 4 | 8.00 | - |
| 2026-08-07 05:30 am | 3.3 | 80.24 | 56.69 | 37.70 | 64.00 | 4.10 | - | 3 | 8.00 | - |
| 2026-08-07 05:15 am | 3.3 | 80.24 | 56.69 | 37.70 | 68.30 | 4.40 | - | 3 | 8.00 | - |
| 2026-08-07 05:00 am | 3.0 | 80.42 | 56.68 | 37.70 | 72.70 | 4.70 | - | 6 | 8.00 | - |
| 2026-08-07 04:45 am | 3.0 | 80.42 | 56.71 | 37.70 | 69.70 | 4.50 | - | 2 | 8.00 | - |
| 2026-08-07 04:30 am | 3.0 | 80.42 | 56.70 | 37.70 | 75.30 | 4.90 | - | 3 | 8.00 | - |
| 2026-08-07 04:15 am | 2.6 | 80.42 | 56.76 | 37.70 | 78.10 | 5.10 | - | 3 | 8.00 | - |
| 2026-08-07 04:00 am | 2.3 | 80.42 | 56.84 | 37.80 | 71.30 | 4.60 | - | 2 | 8.00 | - |
| 2026-08-07 03:45 am | 2.3 | 80.42 | 56.82 | 37.80 | 77.20 | 5.00 | - | 4 | 8.00 | - |
| 2026-08-07 03:30 am | 2.3 | 80.42 | 56.95 | 37.90 | 78.60 | 5.10 | - | 5 | 8.00 | - |
| 2026-08-07 03:15 am | 2.0 | 80.42 | 57.07 | 37.90 | 73.30 | 4.70 | - | 4 | 8.00 | - |
| 2026-08-07 03:00 am | 2.0 | 80.60 | 57.11 | 38.00 | 74.40 | 4.80 | - | 4 | 8.00 | - |
| 2026-08-07 02:45 am | 1.6 | 80.78 | 57.15 | 38.00 | 77.40 | 5.00 | - | 4 | 8.00 | - |
| 2026-08-07 02:30 am | 1.6 | 80.60 | 57.31 | 38.10 | 73.70 | 4.70 | - | 5 | 8.00 | - |
| 2026-08-07 02:15 am | 1.3 | 80.78 | 57.39 | 38.20 | 75.40 | 4.80 | - | 5 | 8.00 | - |
| 2026-08-07 02:00 am | 1.3 | 81.32 | 57.91 | 38.60 | 75.10 | 4.80 | - | 6 | 8.00 | - |
Historical data for station NPQC1 are available at the NERRS website.
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