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 CHQO3 - Winchester Arm, South Slough Reserve, OR
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
43.282 N 124.320 W (43°16'57" N 124°19'13" 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): | 2.0 ft |
 Ocean Temperature (OTMP): | 52.88 °F |
| Conductivity (COND): | 0.14 mS/cm |
| Salinity (SAL): | 0.10 psu |
| Oxygen Concentration (O2PCT): | 97.7% |
| Oxygen Concentration (O2PPM): | 10.60 ppm |
| Turbidity (TURB): | 7 FTU |
| pH (PH): | 6.50 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-03 02:00 pm | 1.6 | 52.70 | 0.14 | 0.10 | 97.10 | 10.60 | - | 7 | 6.50 | - |
| 2025-04-03 01:45 pm | 1.6 | 52.34 | 0.14 | 0.10 | 96.90 | 10.60 | - | 7 | 6.50 | - |
| 2025-04-03 01:30 pm | 1.6 | 51.98 | 0.14 | 0.10 | 96.50 | 10.60 | - | 8 | 6.50 | - |
| 2025-04-03 01:15 pm | 1.3 | 51.62 | 0.14 | 0.10 | 96.00 | 10.60 | - | 7 | 6.50 | - |
| 2025-04-03 01:00 pm | 1.3 | 51.26 | 0.14 | 0.10 | 95.60 | 10.60 | - | 7 | 6.50 | - |
| 2025-04-03 12:45 pm | 1.3 | 50.90 | 0.15 | 0.10 | 95.00 | 10.60 | - | 8 | 6.50 | - |
| 2025-04-03 12:30 pm | 1.3 | 50.54 | 0.15 | 0.10 | 94.50 | 10.60 | - | 8 | 6.50 | - |
| 2025-04-03 12:15 pm | 1.3 | 50.18 | 0.15 | 0.10 | 94.10 | 10.60 | - | 10 | 6.50 | - |
| 2025-04-03 12:00 pm | 1.3 | 50.18 | 0.15 | 0.10 | 93.90 | 10.60 | - | 8 | 6.50 | - |
| 2025-04-03 11:45 am | 1.3 | 49.82 | 0.15 | 0.10 | 93.50 | 10.60 | - | 8 | 6.50 | - |
| 2025-04-03 11:30 am | 1.3 | 49.46 | 0.15 | 0.10 | 92.80 | 10.60 | - | 8 | 6.50 | - |
| 2025-04-03 11:15 am | 1.6 | 49.10 | 0.16 | 0.10 | 92.40 | 10.50 | - | 9 | 6.50 | - |
| 2025-04-03 11:00 am | 1.6 | 48.92 | 0.16 | 0.10 | 91.80 | 10.50 | - | 9 | 6.50 | - |
| 2025-04-03 10:45 am | 1.6 | 48.56 | 0.17 | 0.10 | 91.30 | 10.50 | - | 9 | 6.50 | - |
| 2025-04-03 10:30 am | 1.6 | 48.38 | 0.17 | 0.10 | 90.50 | 10.40 | - | 12 | 6.50 | - |
| 2025-04-03 10:15 am | 1.6 | 48.02 | 0.18 | 0.10 | 89.90 | 10.40 | - | 11 | 6.40 | - |
| 2025-04-03 10:00 am | 1.6 | 47.84 | 0.18 | 0.10 | 89.20 | 10.40 | - | 10 | 6.40 | - |
| 2025-04-03 09:45 am | 2.0 | 47.66 | 0.19 | 0.10 | 88.30 | 10.30 | - | 10 | 6.50 | - |
| 2025-04-03 09:30 am | 2.0 | 47.66 | 0.20 | 0.10 | 87.30 | 10.20 | - | 11 | 6.50 | - |
| 2025-04-03 09:15 am | 2.3 | 47.66 | 0.22 | 0.10 | 86.40 | 10.10 | - | 10 | 6.50 | - |
| 2025-04-03 09:00 am | 2.6 | 47.66 | 0.25 | 0.10 | 85.50 | 10.00 | - | 8 | 6.50 | - |
| 2025-04-03 08:45 am | 2.6 | 47.48 | 0.29 | 0.10 | 84.50 | 9.80 | - | 7 | 6.60 | - |
| 2025-04-03 08:30 am | 3.3 | 47.48 | 0.32 | 0.20 | 83.70 | 9.80 | - | 6 | 6.60 | - |
| 2025-04-03 08:15 am | 3.6 | 47.48 | 0.36 | 0.20 | 83.00 | 9.70 | - | 7 | 6.70 | - |
| 2025-04-03 08:00 am | 3.9 | 47.66 | 0.41 | 0.20 | 82.70 | 9.60 | - | 5 | 6.70 | - |
| 2025-04-03 07:45 am | 4.3 | 47.84 | 0.95 | 0.50 | 82.20 | 9.50 | - | 5 | 6.70 | - |
| 2025-04-03 07:30 am | 4.6 | 48.92 | 4.31 | 2.30 | 81.60 | 9.20 | - | 5 | 6.80 | - |
| 2025-04-03 07:15 am | 4.9 | 50.18 | 8.15 | 4.50 | 82.00 | 9.00 | - | 4 | 6.80 | - |
| 2025-04-03 07:00 am | 5.2 | 50.54 | 9.64 | 5.40 | 82.60 | 8.90 | - | 4 | 6.90 | - |
| 2025-04-03 06:45 am | 5.6 | 51.44 | 12.48 | 7.20 | 83.80 | 8.90 | - | 4 | 7.00 | - |
| 2025-04-03 06:30 am | 5.9 | 52.52 | 16.68 | 9.80 | 84.40 | 8.70 | - | 4 | 7.10 | - |
| 2025-04-03 06:15 am | 6.2 | 52.70 | 17.36 | 10.30 | 86.30 | 8.80 | - | 3 | 7.20 | - |
| 2025-04-03 06:00 am | 6.6 | 53.24 | 19.28 | 11.50 | 87.40 | 8.80 | - | 4 | 7.20 | - |
| 2025-04-03 05:45 am | 6.9 | 53.42 | 20.38 | 12.20 | 88.20 | 8.80 | - | 4 | 7.30 | - |
| 2025-04-03 05:30 am | 7.2 | 53.60 | 21.36 | 12.80 | 88.50 | 8.80 | - | 3 | 7.30 | - |
| 2025-04-03 05:15 am | 7.2 | 53.78 | 21.72 | 13.10 | 88.80 | 8.80 | - | 3 | 7.30 | - |
| 2025-04-03 05:00 am | 7.5 | 53.78 | 22.11 | 13.30 | 89.20 | 8.80 | - | 3 | 7.40 | - |
| 2025-04-03 04:45 am | 7.9 | 53.78 | 22.60 | 13.70 | 89.70 | 8.90 | - | 3 | 7.40 | - |
| 2025-04-03 04:30 am | 7.9 | 53.78 | 22.74 | 13.70 | 90.40 | 8.90 | - | 3 | 7.40 | - |
| 2025-04-03 04:15 am | 7.9 | 53.78 | 22.75 | 13.80 | 90.80 | 9.00 | - | 4 | 7.40 | - |
| 2025-04-03 04:00 am | 7.9 | 53.78 | 22.66 | 13.70 | 91.00 | 9.00 | - | 3 | 7.50 | - |
| 2025-04-03 03:45 am | 7.9 | 53.96 | 22.59 | 13.70 | 90.90 | 9.00 | - | 4 | 7.40 | - |
| 2025-04-03 03:30 am | 7.9 | 53.96 | 22.44 | 13.60 | 90.90 | 9.00 | - | 4 | 7.40 | - |
| 2025-04-03 03:15 am | 7.9 | 53.96 | 22.09 | 13.30 | 90.40 | 8.90 | - | 4 | 7.40 | - |
| 2025-04-03 03:00 am | 7.5 | 53.96 | 21.91 | 13.20 | 90.30 | 8.90 | - | 4 | 7.40 | - |
| 2025-04-03 02:45 am | 7.2 | 53.96 | 21.97 | 13.20 | 89.60 | 8.80 | - | 4 | 7.40 | - |
| 2025-04-03 02:30 am | 7.2 | 53.96 | 21.77 | 13.10 | 89.60 | 8.90 | - | 4 | 7.30 | - |
| 2025-04-03 02:15 am | 6.9 | 53.96 | 21.34 | 12.80 | 89.70 | 8.90 | - | 4 | 7.30 | - |
| 2025-04-03 02:00 am | 6.6 | 53.96 | 21.33 | 12.80 | 89.70 | 8.90 | - | 4 | 7.30 | - |
| 2025-04-03 01:45 am | 6.2 | 53.78 | 20.68 | 12.40 | 89.40 | 8.90 | - | 4 | 7.20 | - |
| 2025-04-03 01:30 am | 5.9 | 53.42 | 19.89 | 11.90 | 89.00 | 8.90 | - | 4 | 7.20 | - |
| 2025-04-03 01:15 am | 5.6 | 53.24 | 17.83 | 10.60 | 89.10 | 9.00 | - | 4 | 7.00 | - |
| 2025-04-03 01:00 am | 5.2 | 51.98 | 9.75 | 5.50 | 87.30 | 9.30 | - | 6 | 6.40 | - |
| 2025-04-03 12:45 am | 4.9 | 49.82 | 0.21 | 0.10 | 85.80 | 9.70 | - | 5 | 6.40 | - |
| 2025-04-03 12:30 am | 4.6 | 49.64 | 0.23 | 0.10 | 84.80 | 9.60 | - | 5 | 6.40 | - |
| 2025-04-03 12:15 am | 4.3 | 49.82 | 0.15 | 0.10 | 86.20 | 9.80 | - | 5 | 6.40 | - |
| 2025-04-03 12:00 am | 3.9 | 49.82 | 0.14 | 0.10 | 86.30 | 9.80 | - | 6 | 6.40 | - |
| 2025-04-02 11:45 pm | 3.6 | 49.82 | 0.15 | 0.10 | 86.10 | 9.70 | - | 5 | 6.40 | - |
| 2025-04-02 11:30 pm | 3.6 | 49.82 | 0.13 | 0.10 | 86.90 | 9.80 | - | 5 | 6.40 | - |
| 2025-04-02 11:15 pm | 3.3 | 50.00 | 0.12 | 0.10 | 87.00 | 9.80 | - | 5 | 6.40 | - |
| 2025-04-02 11:00 pm | 3.3 | 50.00 | 0.13 | 0.10 | 87.20 | 9.80 | - | 5 | 6.40 | - |
| 2025-04-02 10:45 pm | 3.0 | 50.18 | 0.13 | 0.10 | 87.30 | 9.80 | - | 5 | 6.40 | - |
| 2025-04-02 10:30 pm | 3.0 | 50.18 | 0.13 | 0.10 | 87.40 | 9.80 | - | 6 | 6.40 | - |
| 2025-04-02 10:15 pm | 2.6 | 50.36 | 0.13 | 0.10 | 87.70 | 9.90 | - | 6 | 6.40 | - |
| 2025-04-02 10:00 pm | 2.6 | 50.54 | 0.13 | 0.10 | 87.90 | 9.90 | - | 5 | 6.40 | - |
| 2025-04-02 09:45 pm | 2.6 | 50.72 | 0.14 | 0.10 | 88.40 | 9.90 | - | 6 | 6.40 | - |
| 2025-04-02 09:30 pm | 3.0 | 50.90 | 0.14 | 0.10 | 88.90 | 9.90 | - | 5 | 6.40 | - |
| 2025-04-02 09:15 pm | 3.0 | 51.26 | 0.14 | 0.10 | 89.50 | 10.00 | - | 5 | 6.40 | - |
| 2025-04-02 09:00 pm | 3.3 | 51.44 | 0.15 | 0.10 | 90.20 | 10.00 | - | 5 | 6.40 | - |
| 2025-04-02 08:45 pm | 3.3 | 51.62 | 0.15 | 0.10 | 90.90 | 10.00 | - | 5 | 6.40 | - |
| 2025-04-02 08:30 pm | 3.6 | 51.98 | 0.15 | 0.10 | 91.80 | 10.10 | - | 4 | 6.40 | - |
| 2025-04-02 08:15 pm | 3.9 | 52.16 | 0.14 | 0.10 | 92.50 | 10.20 | - | 4 | 6.40 | - |
| 2025-04-02 08:00 pm | 3.9 | 52.16 | 0.13 | 0.10 | 93.00 | 10.20 | - | 4 | 6.40 | - |
| 2025-04-02 07:45 pm | 4.3 | 52.34 | 0.13 | 0.10 | 93.40 | 10.20 | - | 5 | 6.40 | - |
| 2025-04-02 07:30 pm | 4.6 | 52.34 | 0.11 | 0.10 | 93.60 | 10.30 | - | 4 | 6.40 | - |
| 2025-04-02 07:15 pm | 4.6 | 52.34 | 0.11 | 0.10 | 93.80 | 10.30 | - | 5 | 6.50 | - |
| 2025-04-02 07:00 pm | 4.9 | 52.34 | 0.11 | 0.10 | 93.90 | 10.30 | - | 5 | 6.50 | - |
| 2025-04-02 06:45 pm | 5.2 | 52.34 | 0.11 | 0.10 | 94.00 | 10.30 | - | 5 | 6.60 | - |
| 2025-04-02 06:30 pm | 5.2 | 52.88 | 3.44 | 1.80 | 90.70 | 9.80 | - | 6 | 6.80 | - |
| 2025-04-02 06:15 pm | 5.6 | 52.34 | 0.12 | 0.10 | 94.00 | 10.30 | - | 5 | 6.60 | - |
| 2025-04-02 06:00 pm | 5.6 | 52.52 | 0.29 | 0.10 | 94.10 | 10.30 | - | 5 | 6.60 | - |
| 2025-04-02 05:45 pm | 5.9 | 53.96 | 6.61 | 3.60 | 90.40 | 9.50 | - | 10 | 6.80 | - |
| 2025-04-02 05:30 pm | 5.9 | 53.78 | 5.90 | 3.20 | 90.90 | 9.60 | - | 11 | 6.60 | - |
| 2025-04-02 05:15 pm | 6.2 | 52.52 | 0.20 | 0.10 | 94.40 | 10.30 | - | 5 | 6.40 | - |
| 2025-04-02 05:00 pm | 6.2 | 52.34 | 0.24 | 0.10 | 93.20 | 10.20 | - | 6 | 6.50 | - |
| 2025-04-02 04:45 pm | 6.2 | 52.70 | 0.30 | 0.10 | 94.50 | 10.30 | - | 6 | 6.50 | - |
| 2025-04-02 04:30 pm | 6.2 | 52.52 | 0.28 | 0.10 | 92.80 | 10.10 | - | 6 | 6.50 | - |
| 2025-04-02 04:15 pm | 5.9 | 52.70 | 0.31 | 0.20 | 94.60 | 10.30 | - | 6 | 6.50 | - |
| 2025-04-02 04:00 pm | 5.9 | 52.70 | 0.31 | 0.20 | 94.80 | 10.30 | - | 6 | 6.50 | - |
| 2025-04-02 03:45 pm | 5.6 | 52.16 | 0.20 | 0.10 | 94.20 | 10.30 | - | 6 | 6.50 | - |
| 2025-04-02 03:30 pm | 5.2 | 52.16 | 0.19 | 0.10 | 93.80 | 10.30 | - | 6 | 6.40 | - |
| 2025-04-02 03:15 pm | 4.9 | 51.98 | 0.16 | 0.10 | 93.70 | 10.30 | - | 6 | 6.40 | - |
| 2025-04-02 03:00 pm | 4.6 | 51.80 | 0.15 | 0.10 | 90.60 | 10.00 | - | 6 | 6.40 | - |
| 2025-04-02 02:45 pm | 4.3 | 51.80 | 0.15 | 0.10 | 93.50 | 10.30 | - | 5 | 6.40 | - |
| 2025-04-02 02:30 pm | 3.6 | 51.98 | 0.20 | 0.10 | 92.30 | 10.20 | - | 6 | 6.40 | - |
| 2025-04-02 02:15 pm | 3.3 | 51.80 | 0.20 | 0.10 | 90.30 | 10.00 | - | 7 | 6.40 | - |
| 2025-04-02 02:00 pm | 3.0 | 51.62 | 0.21 | 0.10 | 86.40 | 9.60 | - | 7 | 6.40 | - |
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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