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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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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): | 5.9 ft |
 Ocean Temperature (OTMP): | 79.70 °F |
| Conductivity (COND): | 55.40 mS/cm |
| Salinity (SAL): | 36.70 psu |
| Oxygen Saturation (O2PCT): | 70.5% |
| Oxygen Concentration (O2PPM): | 4.60 ppm |
| Turbidity (TURB): | 1 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-24 07:00 pm | 5.2 | 79.88 | 55.50 | 36.80 | 62.70 | 4.10 | - | 1 | 7.80 | - |
| 2026-09-24 06:45 pm | 5.2 | 80.06 | 55.55 | 36.80 | 71.80 | 4.70 | - | 1 | 7.90 | - |
| 2026-09-24 06:30 pm | 4.9 | 80.24 | 55.60 | 36.80 | 75.60 | 4.90 | - | 1 | 7.90 | - |
| 2026-09-24 06:15 pm | 4.6 | 80.24 | 55.68 | 36.90 | 76.60 | 5.00 | - | 1 | 7.90 | - |
| 2026-09-24 06:00 pm | 4.3 | 80.42 | 55.72 | 36.90 | 83.10 | 5.40 | - | 1 | 7.90 | - |
| 2026-09-24 05:45 pm | 3.9 | 80.42 | 55.74 | 37.00 | 95.00 | 6.20 | - | 1 | 7.90 | - |
| 2026-09-24 05:30 pm | 3.9 | 80.42 | 55.77 | 37.00 | 102.60 | 6.70 | - | 2 | 8.00 | - |
| 2026-09-24 05:15 pm | 3.3 | 80.60 | 55.88 | 37.00 | 86.90 | 5.60 | - | 1 | 7.90 | - |
| 2026-09-24 05:00 pm | 3.0 | 80.60 | 55.97 | 37.10 | 108.40 | 7.00 | - | 2 | 8.00 | - |
| 2026-09-24 04:45 pm | 3.0 | 80.60 | 55.97 | 37.10 | 113.50 | 7.40 | - | 2 | 8.00 | - |
| 2026-09-24 04:30 pm | 2.6 | 80.24 | 56.33 | 37.40 | 120.10 | 7.80 | - | 1 | 8.00 | - |
| 2026-09-24 04:15 pm | 2.3 | 80.06 | 57.02 | 37.90 | 117.60 | 7.60 | - | 2 | 8.10 | - |
| 2026-09-24 04:00 pm | 2.0 | 79.88 | 57.10 | 38.00 | 110.40 | 7.20 | - | 1 | 8.10 | - |
| 2026-09-24 03:45 pm | 2.0 | 79.70 | 57.19 | 38.00 | 101.50 | 6.60 | - | 1 | 8.00 | - |
| 2026-09-24 03:30 pm | 1.6 | 79.52 | 57.18 | 38.00 | 63.40 | 4.10 | - | 1 | 7.90 | - |
| 2026-09-24 03:15 pm | 1.6 | 79.52 | 57.19 | 38.10 | 89.80 | 5.80 | - | 1 | 8.00 | - |
| 2026-09-24 03:00 pm | 1.6 | 79.34 | 57.19 | 38.10 | 89.20 | 5.80 | - | 1 | 8.00 | - |
| 2026-09-24 02:45 pm | 1.6 | 79.34 | 57.19 | 38.00 | 102.00 | 6.60 | - | 1 | 8.00 | - |
| 2026-09-24 02:30 pm | 1.6 | 79.34 | 57.18 | 38.00 | 112.90 | 7.40 | - | 1 | 8.10 | - |
| 2026-09-24 02:15 pm | 1.6 | 79.34 | 57.15 | 38.00 | 125.60 | 8.20 | - | 2 | 8.10 | - |
| 2026-09-24 02:00 pm | 1.6 | 78.98 | 56.95 | 37.90 | 122.90 | 8.00 | - | 2 | 8.10 | - |
| 2026-09-24 01:45 pm | 2.0 | 78.62 | 56.78 | 37.80 | 99.10 | 6.50 | - | 1 | 8.00 | - |
| 2026-09-24 01:30 pm | 2.0 | 78.62 | 56.70 | 37.70 | 109.30 | 7.20 | - | 2 | 8.00 | - |
| 2026-09-24 01:15 pm | 2.0 | 78.26 | 56.67 | 37.70 | 107.20 | 7.10 | - | 2 | 8.00 | - |
| 2026-09-24 01:00 pm | 2.3 | 77.90 | 56.52 | 37.60 | 93.70 | 6.20 | - | 2 | 8.00 | - |
| 2026-09-24 12:45 pm | 2.6 | 77.72 | 56.34 | 37.40 | 92.60 | 6.10 | - | 2 | 8.00 | - |
| 2026-09-24 12:30 pm | 3.0 | 77.54 | 56.20 | 37.30 | 88.70 | 5.90 | - | 2 | 8.00 | - |
| 2026-09-24 12:15 pm | 3.0 | 77.36 | 56.13 | 37.30 | 86.00 | 5.70 | - | 2 | 7.90 | - |
| 2026-09-24 12:00 pm | 3.3 | 77.18 | 56.01 | 37.20 | 77.90 | 5.20 | - | 2 | 7.90 | - |
| 2026-09-24 11:45 am | 3.6 | 77.00 | 55.92 | 37.10 | 74.70 | 5.00 | - | 2 | 7.90 | - |
| 2026-09-24 11:30 am | 3.6 | 77.00 | 55.83 | 37.10 | 72.70 | 4.90 | - | 2 | 7.90 | - |
| 2026-09-24 11:15 am | 3.9 | 77.18 | 55.54 | 36.80 | 60.40 | 4.00 | - | 1 | 7.80 | - |
| 2026-09-24 11:00 am | 4.3 | 77.00 | 55.49 | 36.80 | 57.90 | 3.90 | - | 1 | 7.80 | - |
| 2026-09-24 10:45 am | 4.6 | 77.00 | 55.62 | 36.90 | 40.70 | 2.70 | - | 1 | 7.80 | - |
| 2026-09-24 10:30 am | 4.9 | 77.00 | 55.73 | 37.00 | 31.80 | 2.10 | - | 1 | 7.80 | - |
| 2026-09-24 10:15 am | 4.9 | 76.82 | 55.76 | 37.00 | 26.30 | 1.80 | - | 1 | 7.70 | - |
| 2026-09-24 10:00 am | 5.2 | 76.82 | 55.77 | 37.00 | 18.10 | 1.20 | - | 1 | 7.70 | - |
| 2026-09-24 09:45 am | 5.6 | 76.82 | 55.78 | 37.00 | 16.50 | 1.10 | - | 1 | 7.70 | - |
| 2026-09-24 09:30 am | 5.6 | 76.82 | 55.77 | 37.00 | 26.20 | 1.80 | - | 1 | 7.70 | - |
| 2026-09-24 09:15 am | 5.6 | 76.82 | 55.82 | 37.10 | 24.60 | 1.70 | - | 3 | 7.70 | - |
| 2026-09-24 09:00 am | 5.6 | 76.82 | 55.83 | 37.10 | 7.40 | 0.50 | - | 2 | 7.70 | - |
| 2026-09-24 08:45 am | 5.9 | 76.82 | 55.89 | 37.10 | 9.00 | 0.60 | - | 1 | 7.70 | - |
| 2026-09-24 08:30 am | 5.6 | 76.82 | 55.87 | 37.10 | 12.90 | 0.90 | - | 1 | 7.70 | - |
| 2026-09-24 08:15 am | 5.6 | 76.82 | 55.88 | 37.10 | 10.60 | 0.70 | - | 2 | 7.70 | - |
| 2026-09-24 08:00 am | 5.6 | 76.82 | 55.86 | 37.10 | 19.20 | 1.30 | - | 2 | 7.70 | - |
| 2026-09-24 07:45 am | 5.2 | 76.82 | 55.84 | 37.10 | 29.00 | 1.90 | - | 2 | 7.80 | - |
| 2026-09-24 07:30 am | 4.9 | 76.82 | 55.80 | 37.00 | 41.10 | 2.80 | - | 2 | 7.80 | - |
| 2026-09-24 07:15 am | 4.9 | 76.82 | 55.86 | 37.10 | 39.80 | 2.70 | - | 1 | 7.80 | - |
| 2026-09-24 07:00 am | 4.6 | 76.82 | 55.83 | 37.10 | 48.00 | 3.20 | - | 2 | 7.90 | - |
| 2026-09-24 06:45 am | 4.3 | 76.82 | 55.87 | 37.10 | 55.00 | 3.70 | - | 2 | 7.80 | - |
| 2026-09-24 06:30 am | 3.9 | 76.82 | 55.85 | 37.10 | 55.50 | 3.70 | - | 2 | 7.80 | - |
| 2026-09-24 06:15 am | 3.6 | 76.82 | 56.04 | 37.20 | 58.80 | 3.90 | - | 2 | 7.90 | - |
| 2026-09-24 06:00 am | 3.3 | 76.82 | 56.10 | 37.30 | 68.80 | 4.60 | - | 3 | 7.90 | - |
| 2026-09-24 05:45 am | 3.0 | 76.82 | 56.20 | 37.30 | 71.20 | 4.80 | - | 3 | 7.90 | - |
| 2026-09-24 05:30 am | 2.6 | 76.82 | 56.35 | 37.50 | 71.30 | 4.80 | - | 3 | 7.90 | - |
| 2026-09-24 05:15 am | 2.3 | 76.82 | 56.44 | 37.50 | 77.40 | 5.20 | - | 2 | 7.90 | - |
| 2026-09-24 05:00 am | 2.0 | 76.82 | 56.67 | 37.70 | 80.10 | 5.40 | - | 4 | 8.00 | - |
| 2026-09-24 04:45 am | 1.6 | 76.64 | 56.98 | 37.90 | 77.50 | 5.20 | - | 3 | 8.00 | - |
| 2026-09-24 04:30 am | 1.3 | 76.82 | 56.69 | 37.70 | 78.60 | 5.30 | - | 4 | 8.00 | - |
| 2026-09-24 04:15 am | 1.3 | 76.82 | 56.89 | 37.90 | 80.50 | 5.40 | - | 4 | 8.00 | - |
| 2026-09-24 04:00 am | 1.0 | 77.00 | 57.03 | 38.00 | 81.50 | 5.40 | - | 3 | 8.00 | - |
| 2026-09-24 03:45 am | 0.7 | 77.18 | 57.48 | 38.30 | 91.80 | 6.10 | - | 5 | 8.00 | - |
| 2026-09-24 03:30 am | 0.7 | 77.18 | 58.13 | 38.80 | 102.20 | 6.80 | - | 5 | 8.10 | - |
| 2026-09-24 03:15 am | 0.3 | 77.18 | 58.40 | 39.00 | 105.20 | 7.00 | - | 5 | 8.10 | - |
| 2026-09-24 03:00 am | 0.3 | 77.36 | 58.58 | 39.10 | 92.40 | 6.10 | - | 2 | 8.10 | - |
| 2026-09-24 02:45 am | 0.3 | 77.36 | 58.59 | 39.10 | 103.50 | 6.80 | - | 3 | 8.10 | - |
| 2026-09-24 02:30 am | 0.3 | 77.54 | 58.52 | 39.10 | 85.40 | 5.60 | - | 2 | 8.10 | - |
| 2026-09-24 02:15 am | 0.3 | 77.54 | 58.52 | 39.10 | 108.60 | 7.20 | - | 3 | 8.20 | - |
| 2026-09-24 02:00 am | 0.3 | 77.54 | 58.48 | 39.10 | 114.20 | 7.50 | - | 4 | 8.20 | - |
| 2026-09-24 01:45 am | 0.7 | 77.54 | 58.41 | 39.00 | 115.20 | 7.60 | - | 4 | 8.20 | - |
| 2026-09-24 01:30 am | 0.7 | 77.72 | 58.27 | 38.90 | 115.30 | 7.60 | - | 4 | 8.20 | - |
| 2026-09-24 01:15 am | 1.0 | 77.72 | 58.09 | 38.80 | 114.60 | 7.60 | - | 5 | 8.10 | - |
| 2026-09-24 01:00 am | 1.3 | 77.72 | 57.71 | 38.50 | 110.30 | 7.30 | - | 6 | 8.10 | - |
| 2026-09-24 12:45 am | 1.6 | 77.72 | 57.40 | 38.20 | 107.00 | 7.10 | - | 4 | 8.10 | - |
| 2026-09-24 12:30 am | 1.6 | 77.72 | 57.04 | 38.00 | 102.90 | 6.80 | - | 4 | 8.10 | - |
| 2026-09-24 12:15 am | 2.3 | 77.90 | 56.68 | 37.70 | 97.70 | 6.50 | - | 5 | 8.00 | - |
| 2026-09-24 12:00 am | 2.6 | 78.08 | 56.47 | 37.50 | 95.50 | 6.30 | - | 4 | 8.00 | - |
| 2026-09-23 11:45 pm | 3.0 | 78.08 | 56.30 | 37.40 | 92.80 | 6.10 | - | 6 | 8.00 | - |
| 2026-09-23 11:30 pm | 3.0 | 78.08 | 56.17 | 37.30 | 90.50 | 6.00 | - | 3 | 8.00 | - |
| 2026-09-23 11:15 pm | 3.6 | 78.26 | 56.05 | 37.20 | 90.30 | 6.00 | - | 2 | 8.00 | - |
| 2026-09-23 11:00 pm | 3.6 | 78.26 | 55.95 | 37.10 | 88.50 | 5.90 | - | 3 | 8.00 | - |
| 2026-09-23 10:45 pm | 3.9 | 78.26 | 55.81 | 37.00 | 84.20 | 5.60 | - | 2 | 7.90 | - |
| 2026-09-23 10:30 pm | 4.3 | 78.08 | 55.69 | 36.90 | 85.20 | 5.70 | - | 2 | 7.90 | - |
| 2026-09-23 10:15 pm | 4.6 | 77.90 | 55.42 | 36.70 | 80.90 | 5.40 | - | 2 | 7.90 | - |
| 2026-09-23 10:00 pm | 4.9 | 77.90 | 55.35 | 36.70 | 84.70 | 5.60 | - | 2 | 7.90 | - |
| 2026-09-23 09:45 pm | 5.2 | 77.90 | 55.28 | 36.60 | 81.40 | 5.40 | - | 2 | 7.90 | - |
| 2026-09-23 09:30 pm | 5.2 | 78.08 | 55.26 | 36.60 | 79.20 | 5.30 | - | 2 | 7.90 | - |
| 2026-09-23 09:15 pm | 5.6 | 78.08 | 55.19 | 36.60 | 78.60 | 5.20 | - | 2 | 7.90 | - |
| 2026-09-23 09:00 pm | 5.9 | 78.26 | 55.24 | 36.60 | 64.80 | 4.30 | - | 1 | 7.90 | - |
| 2026-09-23 08:45 pm | 6.2 | 78.44 | 55.29 | 36.60 | 57.40 | 3.80 | - | 1 | 7.90 | - |
| 2026-09-23 08:30 pm | 6.2 | 78.44 | 55.35 | 36.70 | 60.30 | 4.00 | - | 1 | 7.90 | - |
| 2026-09-23 08:15 pm | 6.2 | 78.44 | 55.36 | 36.70 | 59.00 | 3.90 | - | 1 | 7.90 | - |
| 2026-09-23 08:00 pm | 6.2 | 78.62 | 55.42 | 36.70 | 44.10 | 2.90 | - | 1 | 7.80 | - |
| 2026-09-23 07:45 pm | 6.2 | 78.62 | 55.41 | 36.70 | 57.60 | 3.80 | - | 3 | 7.90 | - |
| 2026-09-23 07:30 pm | 6.2 | 78.62 | 55.39 | 36.70 | 69.90 | 4.60 | - | 2 | 7.90 | - |
| 2026-09-23 07:15 pm | 5.9 | 78.62 | 55.40 | 36.70 | 72.90 | 4.80 | - | 2 | 7.90 | - |
| 2026-09-23 07:00 pm | 5.9 | 78.62 | 55.43 | 36.70 | 76.90 | 5.10 | - | 2 | 7.90 | - |
Historical data for station NPQC1 are available at the NERRS website.
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