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): | 4.3 ft |
 Ocean Temperature (OTMP): | 51.44 °F |
| Conductivity (COND): | 17.70 mS/cm |
| Salinity (SAL): | 10.50 psu |
| Oxygen Concentration (O2PCT): | 95.5% |
| Oxygen Concentration (O2PPM): | 9.90 ppm |
| Turbidity (TURB): | 3 FTU |
| pH (PH): | 7.20 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-03-22 11:00 pm | 4.3 | 51.44 | 17.51 | 10.30 | 95.40 | 9.90 | - | 3 | 7.20 | - |
| 2025-03-22 10:45 pm | 4.6 | 51.44 | 17.21 | 10.20 | 95.80 | 10.00 | - | 3 | 7.20 | - |
| 2025-03-22 10:30 pm | 4.6 | 51.44 | 17.06 | 10.10 | 95.80 | 10.00 | - | 3 | 7.10 | - |
| 2025-03-22 10:15 pm | 4.6 | 51.44 | 16.94 | 10.00 | 95.90 | 10.00 | - | 3 | 7.10 | - |
| 2025-03-22 10:00 pm | 4.6 | 51.44 | 16.54 | 9.70 | 96.50 | 10.00 | - | 3 | 7.10 | - |
| 2025-03-22 09:45 pm | 4.6 | 51.44 | 15.78 | 9.20 | 95.20 | 10.00 | - | 3 | 7.10 | - |
| 2025-03-22 09:30 pm | 4.6 | 51.44 | 16.18 | 9.50 | 96.30 | 10.00 | - | 3 | 7.10 | - |
| 2025-03-22 09:15 pm | 4.9 | 51.44 | 16.15 | 9.50 | 96.80 | 10.10 | - | 3 | 7.10 | - |
| 2025-03-22 09:00 pm | 4.6 | 51.44 | 15.41 | 9.00 | 96.30 | 10.10 | - | 4 | 7.00 | - |
| 2025-03-22 08:45 pm | 4.6 | 51.44 | 14.72 | 8.60 | 95.90 | 10.10 | - | 4 | 7.00 | - |
| 2025-03-22 08:30 pm | 4.6 | 51.44 | 0.09 | 0.00 | 94.30 | 10.40 | - | 5 | 6.40 | - |
| 2025-03-22 08:15 pm | 4.6 | 51.44 | 0.10 | 0.00 | 94.60 | 10.50 | - | 5 | 6.40 | - |
| 2025-03-22 08:00 pm | 4.9 | 51.62 | 0.12 | 0.10 | 94.30 | 10.40 | - | 5 | 6.40 | - |
| 2025-03-22 07:45 pm | 4.6 | 51.62 | 0.09 | 0.00 | 94.30 | 10.40 | - | 5 | 6.40 | - |
| 2025-03-22 07:30 pm | 4.6 | 51.62 | 0.10 | 0.10 | 94.60 | 10.50 | - | 5 | 6.40 | - |
| 2025-03-22 07:15 pm | 4.3 | 51.62 | 0.11 | 0.10 | 94.40 | 10.40 | - | 6 | 6.50 | - |
| 2025-03-22 07:00 pm | 4.3 | 51.62 | 0.11 | 0.10 | 94.40 | 10.40 | - | 6 | 6.50 | - |
| 2025-03-22 06:45 pm | 4.3 | 51.62 | 0.12 | 0.10 | 95.20 | 10.50 | - | 5 | 6.50 | - |
| 2025-03-22 06:30 pm | 3.9 | 51.62 | 0.17 | 0.10 | 90.90 | 10.10 | - | 6 | 6.40 | - |
| 2025-03-22 06:15 pm | 3.9 | 51.62 | 0.11 | 0.10 | 95.00 | 10.50 | - | 5 | 6.50 | - |
| 2025-03-22 06:00 pm | 3.6 | 51.62 | 0.11 | 0.10 | 94.90 | 10.50 | - | 5 | 6.50 | - |
| 2025-03-22 05:45 pm | 3.3 | 51.62 | 0.11 | 0.10 | 95.00 | 10.50 | - | 6 | 6.50 | - |
| 2025-03-22 05:30 pm | 3.3 | 51.62 | 0.11 | 0.10 | 95.20 | 10.50 | - | 6 | 6.50 | - |
| 2025-03-22 05:15 pm | 3.3 | 51.44 | 0.11 | 0.10 | 95.00 | 10.50 | - | 6 | 6.50 | - |
| 2025-03-22 05:00 pm | 3.0 | 51.44 | 0.11 | 0.10 | 95.90 | 10.60 | - | 6 | 6.50 | - |
| 2025-03-22 04:45 pm | 2.6 | 51.44 | 0.11 | 0.10 | 96.00 | 10.60 | - | 6 | 6.50 | - |
| 2025-03-22 04:30 pm | 2.6 | 51.44 | 0.11 | 0.10 | 96.00 | 10.60 | - | 6 | 6.50 | - |
| 2025-03-22 04:15 pm | 2.3 | 51.44 | 0.11 | 0.10 | 96.20 | 10.70 | - | 7 | 6.50 | - |
| 2025-03-22 04:00 pm | 2.3 | 51.44 | 0.11 | 0.10 | 96.10 | 10.70 | - | 7 | 6.50 | - |
| 2025-03-22 03:45 pm | 2.0 | 51.26 | 0.11 | 0.10 | 96.10 | 10.70 | - | 7 | 6.50 | - |
| 2025-03-22 03:30 pm | 2.0 | 51.26 | 0.11 | 0.10 | 96.00 | 10.70 | - | 8 | 6.50 | - |
| 2025-03-22 03:15 pm | 2.0 | 51.08 | 0.11 | 0.10 | 95.90 | 10.70 | - | 8 | 6.50 | - |
| 2025-03-22 03:00 pm | 2.0 | 51.08 | 0.11 | 0.10 | 95.70 | 10.70 | - | 8 | 6.50 | - |
| 2025-03-22 02:45 pm | 2.0 | 50.90 | 0.12 | 0.10 | 95.50 | 10.70 | - | 9 | 6.50 | - |
| 2025-03-22 02:30 pm | 1.6 | 50.90 | 0.12 | 0.10 | 95.30 | 10.60 | - | 10 | 6.50 | - |
| 2025-03-22 02:15 pm | 1.6 | 50.90 | 0.12 | 0.10 | 95.20 | 10.60 | - | 9 | 6.50 | - |
| 2025-03-22 02:00 pm | 1.6 | 50.72 | 0.12 | 0.10 | 95.00 | 10.60 | - | 10 | 6.50 | - |
| 2025-03-22 01:45 pm | 1.6 | 50.72 | 0.12 | 0.10 | 94.70 | 10.60 | - | 11 | 6.50 | - |
| 2025-03-22 01:30 pm | 1.6 | 50.54 | 0.13 | 0.10 | 94.50 | 10.60 | - | 11 | 6.50 | - |
| 2025-03-22 01:15 pm | 1.6 | 50.36 | 0.13 | 0.10 | 94.10 | 10.60 | - | 12 | 6.60 | - |
| 2025-03-22 01:00 pm | 2.0 | 50.36 | 0.13 | 0.10 | 93.70 | 10.50 | - | 13 | 6.60 | - |
| 2025-03-22 12:45 pm | 2.0 | 50.18 | 0.13 | 0.10 | 93.20 | 10.50 | - | 12 | 6.60 | - |
| 2025-03-22 12:30 pm | 2.0 | 50.00 | 0.13 | 0.10 | 92.70 | 10.50 | - | 12 | 6.60 | - |
| 2025-03-22 12:15 pm | 2.0 | 49.82 | 0.13 | 0.10 | 92.20 | 10.40 | - | 12 | 6.60 | - |
| 2025-03-22 12:00 pm | 2.0 | 49.82 | 0.14 | 0.10 | 91.70 | 10.40 | - | 13 | 6.60 | - |
| 2025-03-22 11:45 am | 2.3 | 49.64 | 0.14 | 0.10 | 91.20 | 10.30 | - | 11 | 6.60 | - |
| 2025-03-22 11:30 am | 2.3 | 49.64 | 0.14 | 0.10 | 90.70 | 10.30 | - | 12 | 6.60 | - |
| 2025-03-22 11:15 am | 2.6 | 49.64 | 0.15 | 0.10 | 90.00 | 10.20 | - | 12 | 6.70 | - |
| 2025-03-22 11:00 am | 2.6 | 49.46 | 0.15 | 0.10 | 89.30 | 10.20 | - | 11 | 6.70 | - |
| 2025-03-22 10:45 am | 3.0 | 49.46 | 0.16 | 0.10 | 88.70 | 10.10 | - | 10 | 6.70 | - |
| 2025-03-22 10:30 am | 3.0 | 49.46 | 0.18 | 0.10 | 87.90 | 10.00 | - | 9 | 6.70 | - |
| 2025-03-22 10:15 am | 3.3 | 49.28 | 0.19 | 0.10 | 87.30 | 9.90 | - | 9 | 6.70 | - |
| 2025-03-22 10:00 am | 3.6 | 49.28 | 0.21 | 0.10 | 86.70 | 9.90 | - | 8 | 6.70 | - |
| 2025-03-22 09:45 am | 3.9 | 49.46 | 1.00 | 0.50 | 86.70 | 9.80 | - | 9 | 6.70 | - |
| 2025-03-22 09:30 am | 3.9 | 50.18 | 14.30 | 8.30 | 89.90 | 9.60 | - | 6 | 7.30 | - |
| 2025-03-22 09:15 am | 4.3 | 50.54 | 24.56 | 14.90 | 91.80 | 9.40 | - | 2 | 7.40 | - |
| 2025-03-22 09:00 am | 4.6 | 50.54 | 24.54 | 14.90 | 92.10 | 9.40 | - | 5 | 7.40 | - |
| 2025-03-22 08:45 am | 4.9 | 50.54 | 24.62 | 15.00 | 94.00 | 9.60 | - | 2 | 7.40 | - |
| 2025-03-22 08:30 am | 4.9 | 50.54 | 24.59 | 14.90 | 94.30 | 9.60 | - | 2 | 7.40 | - |
| 2025-03-22 08:15 am | 5.2 | 50.54 | 24.93 | 15.20 | 95.70 | 9.80 | - | 2 | 7.50 | - |
| 2025-03-22 08:00 am | 5.6 | 50.54 | 24.99 | 15.20 | 95.80 | 9.80 | - | 3 | 7.50 | - |
| 2025-03-22 07:45 am | 5.6 | 50.54 | 25.04 | 15.20 | 95.60 | 9.70 | - | 2 | 7.50 | - |
| 2025-03-22 07:30 am | 5.9 | 50.54 | 25.05 | 15.20 | 95.20 | 9.70 | - | 2 | 7.50 | - |
| 2025-03-22 07:15 am | 5.9 | 50.54 | 25.06 | 15.30 | 95.20 | 9.70 | - | 6 | 7.50 | - |
| 2025-03-22 07:00 am | 5.9 | 50.54 | 25.11 | 15.30 | 96.70 | 9.80 | - | 2 | 7.60 | - |
| 2025-03-22 06:45 am | 6.2 | 50.54 | 25.13 | 15.30 | 96.70 | 9.80 | - | 3 | 7.60 | - |
| 2025-03-22 06:30 am | 6.2 | 50.54 | 25.15 | 15.30 | 97.40 | 9.90 | - | 2 | 7.60 | - |
| 2025-03-22 06:15 am | 6.2 | 50.54 | 25.17 | 15.30 | 97.80 | 10.00 | - | 2 | 7.60 | - |
| 2025-03-22 06:00 am | 6.6 | 50.54 | 25.18 | 15.30 | 98.10 | 10.00 | - | 2 | 7.60 | - |
| 2025-03-22 05:45 am | 6.6 | 50.54 | 25.18 | 15.30 | 97.90 | 10.00 | - | 2 | 7.60 | - |
| 2025-03-22 05:30 am | 6.6 | 50.54 | 25.18 | 15.30 | 98.20 | 10.00 | - | 2 | 7.70 | - |
| 2025-03-22 05:15 am | 6.6 | 50.54 | 25.19 | 15.30 | 98.60 | 10.00 | - | 2 | 7.70 | - |
| 2025-03-22 05:00 am | 6.6 | 50.54 | 25.19 | 15.30 | 98.70 | 10.00 | - | 2 | 7.70 | - |
| 2025-03-22 04:45 am | 6.6 | 50.54 | 25.16 | 15.30 | 98.90 | 10.10 | - | 2 | 7.70 | - |
| 2025-03-22 04:30 am | 6.2 | 50.54 | 25.13 | 15.30 | 99.20 | 10.10 | - | 2 | 7.70 | - |
| 2025-03-22 04:15 am | 6.2 | 50.54 | 25.05 | 15.20 | 98.90 | 10.10 | - | 2 | 7.70 | - |
| 2025-03-22 04:00 am | 6.2 | 50.54 | 24.95 | 15.20 | 98.70 | 10.00 | - | 2 | 7.70 | - |
| 2025-03-22 03:45 am | 6.2 | 50.54 | 24.76 | 15.10 | 98.80 | 10.10 | - | 2 | 7.60 | - |
| 2025-03-22 03:30 am | 5.9 | 50.54 | 24.06 | 14.60 | 97.50 | 10.00 | - | 2 | 7.60 | - |
| 2025-03-22 03:15 am | 5.9 | 50.36 | 23.78 | 14.40 | 94.10 | 9.60 | - | 2 | 7.50 | - |
| 2025-03-22 03:00 am | 5.6 | 50.36 | 24.36 | 14.80 | 89.00 | 9.10 | - | 2 | 7.30 | - |
| 2025-03-22 02:45 am | 5.6 | 50.36 | 23.67 | 14.30 | 93.10 | 9.50 | - | 3 | 7.50 | - |
| 2025-03-22 02:30 am | 5.2 | 50.36 | 23.96 | 14.50 | 92.90 | 9.50 | - | 2 | 7.40 | - |
| 2025-03-22 02:15 am | 5.2 | 50.36 | 23.85 | 14.40 | 92.70 | 9.50 | - | 2 | 7.40 | - |
| 2025-03-22 02:00 am | 4.9 | 50.18 | 24.38 | 14.80 | 89.90 | 9.20 | - | 2 | 7.30 | - |
| 2025-03-22 01:45 am | 4.9 | 50.18 | 24.31 | 14.80 | 91.20 | 9.30 | - | 2 | 7.40 | - |
| 2025-03-22 01:30 am | 4.6 | 50.18 | 24.68 | 15.00 | 90.30 | 9.20 | - | 2 | 7.30 | - |
| 2025-03-22 01:15 am | 4.6 | 50.18 | 24.61 | 14.90 | 89.30 | 9.10 | - | 2 | 7.30 | - |
| 2025-03-22 01:00 am | 4.6 | 50.18 | 25.02 | 15.20 | 88.40 | 9.00 | - | 2 | 7.30 | - |
| 2025-03-22 12:45 am | 4.3 | 50.18 | 25.38 | 15.50 | 86.70 | 8.90 | - | 2 | 7.20 | - |
| 2025-03-22 12:30 am | 4.3 | 50.18 | 25.17 | 15.30 | 88.00 | 9.00 | - | 2 | 7.30 | - |
| 2025-03-22 12:15 am | 4.3 | 50.18 | 25.50 | 15.50 | 87.40 | 8.90 | - | 3 | 7.20 | - |
| 2025-03-22 12:00 am | 4.3 | 50.18 | 25.87 | 15.80 | 88.00 | 9.00 | - | 3 | 7.30 | - |
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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