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 NAQR1 - T-Wharf Bottom, Narragansett Bay Reserve, RI
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
41.578 N 71.321 W (41°34'42" N 71°19'16" 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): | 20.7 ft |
 Ocean Temperature (OTMP): | 53.96 °F |
| Conductivity (COND): | 48.25 mS/cm |
| Salinity (SAL): | 31.40 psu |
| Oxygen Concentration (O2PCT): | 97.5% |
| Oxygen Concentration (O2PPM): | 8.60 ppm |
| Turbidity (TURB): | 1 FTU |
| pH (PH): | 7.90 |
| TIME (EDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05-11 08:30 pm | 20.7 | 53.96 | 48.15 | 31.30 | 94.40 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 08:15 pm | 20.7 | 53.96 | 48.15 | 31.30 | 95.60 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 08:00 pm | 20.7 | 53.96 | 48.11 | 31.30 | 95.80 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 07:45 pm | 20.7 | 53.60 | 48.49 | 31.60 | 89.10 | 7.90 | - | 1 | 7.80 | - |
| 2025-05-11 07:30 pm | 20.7 | 54.32 | 47.89 | 31.10 | 95.80 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 07:15 pm | 20.7 | 54.86 | 47.33 | 30.80 | 97.60 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-11 07:00 pm | 20.3 | 55.40 | 46.97 | 30.50 | 100.10 | 8.70 | - | 1 | 7.90 | - |
| 2025-05-11 06:45 pm | 20.3 | 55.22 | 46.85 | 30.40 | 101.50 | 8.90 | - | 1 | 7.90 | - |
| 2025-05-11 06:30 pm | 20.0 | 55.22 | 46.82 | 30.40 | 101.40 | 8.90 | - | 1 | 7.90 | - |
| 2025-05-11 06:15 pm | 20.0 | 54.86 | 47.08 | 30.60 | 100.20 | 8.80 | - | 1 | 7.90 | - |
| 2025-05-11 06:00 pm | 19.7 | 53.60 | 48.15 | 31.30 | 93.60 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 05:45 pm | 19.7 | 53.42 | 48.37 | 31.50 | 94.00 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 05:30 pm | 19.4 | 53.24 | 48.50 | 31.60 | 91.50 | 8.10 | - | 1 | 7.90 | - |
| 2025-05-11 05:15 pm | 19.0 | 53.24 | 48.61 | 31.60 | 91.70 | 8.20 | - | 1 | 7.80 | - |
| 2025-05-11 05:00 pm | 19.0 | 53.24 | 48.60 | 31.60 | 94.90 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 04:45 pm | 18.7 | 53.42 | 48.34 | 31.50 | 95.50 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-11 04:30 pm | 18.4 | 53.96 | 47.93 | 31.20 | 96.30 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-11 04:15 pm | 18.4 | 54.68 | 47.36 | 30.80 | 97.80 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 04:00 pm | 18.0 | 55.22 | 46.87 | 30.40 | 100.60 | 8.80 | - | 1 | 7.90 | - |
| 2025-05-11 03:45 pm | 18.0 | 54.86 | 47.35 | 30.80 | 99.80 | 8.70 | - | 1 | 7.90 | - |
| 2025-05-11 03:30 pm | 17.7 | 54.32 | 47.43 | 30.80 | 97.40 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 03:15 pm | 17.7 | 54.32 | 47.47 | 30.80 | 98.40 | 8.70 | - | 2 | 7.90 | - |
| 2025-05-11 03:00 pm | 17.4 | 54.14 | 47.49 | 30.90 | 97.70 | 8.60 | - | 2 | 7.90 | - |
| 2025-05-11 02:45 pm | 17.4 | 53.96 | 47.60 | 30.90 | 96.90 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 02:30 pm | 17.4 | 53.96 | 47.62 | 30.90 | 97.20 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 02:15 pm | 17.1 | 53.78 | 47.74 | 31.00 | 96.70 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 02:00 pm | 17.1 | 53.96 | 47.72 | 31.00 | 97.50 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 01:45 pm | 17.1 | 54.86 | 46.92 | 30.50 | 98.00 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 01:30 pm | 16.7 | 54.86 | 46.87 | 30.40 | 98.00 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 01:15 pm | 16.7 | 55.04 | 46.73 | 30.30 | 98.40 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 01:00 pm | 16.7 | 55.40 | 46.57 | 30.20 | 95.20 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 12:45 pm | 16.7 | 55.40 | 46.51 | 30.20 | 92.50 | 8.10 | - | 1 | 7.90 | - |
| 2025-05-11 12:30 pm | 17.1 | 55.40 | 46.56 | 30.20 | 86.10 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 12:15 pm | 17.1 | 55.40 | 46.51 | 30.20 | 87.10 | 7.60 | - | 2 | 7.80 | - |
| 2025-05-11 12:00 pm | 17.1 | 55.76 | 46.10 | 29.90 | 85.60 | 7.50 | - | 2 | 7.80 | - |
| 2025-05-11 11:45 am | 17.4 | 55.40 | 46.24 | 30.00 | 85.30 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 11:30 am | 17.4 | 55.04 | 46.70 | 30.30 | 89.80 | 7.90 | - | 1 | 7.80 | - |
| 2025-05-11 11:15 am | 17.7 | 54.50 | 47.37 | 30.80 | 85.60 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 11:00 am | 17.7 | 55.22 | 46.58 | 30.20 | 83.60 | 7.30 | - | 1 | 7.80 | - |
| 2025-05-11 10:45 am | 18.0 | 55.04 | 46.74 | 30.30 | 81.70 | 7.20 | - | 1 | 7.80 | - |
| 2025-05-11 10:30 am | 18.4 | 54.68 | 47.09 | 30.60 | 80.20 | 7.10 | - | 1 | 7.80 | - |
| 2025-05-11 10:15 am | 18.4 | 54.32 | 47.43 | 30.80 | 81.90 | 7.20 | - | 1 | 7.80 | - |
| 2025-05-11 10:00 am | 18.7 | 54.86 | 46.81 | 30.40 | 77.30 | 6.80 | - | 1 | 7.70 | - |
| 2025-05-11 09:45 am | 19.0 | 54.86 | 46.80 | 30.40 | 84.60 | 7.40 | - | 1 | 7.80 | - |
| 2025-05-11 09:30 am | 19.0 | 55.22 | 46.53 | 30.20 | 76.00 | 6.70 | - | 1 | 7.70 | - |
| 2025-05-11 09:15 am | 19.4 | 55.22 | 46.47 | 30.10 | 77.70 | 6.80 | - | 1 | 7.70 | - |
| 2025-05-11 09:00 am | 19.4 | 55.22 | 46.46 | 30.10 | 79.40 | 7.00 | - | 1 | 7.70 | - |
| 2025-05-11 08:45 am | 19.7 | 55.40 | 46.46 | 30.10 | 79.70 | 7.00 | - | 1 | 7.80 | - |
| 2025-05-11 08:30 am | 19.7 | 55.40 | 46.31 | 30.00 | 89.90 | 7.90 | - | 1 | 7.80 | - |
| 2025-05-11 08:15 am | 19.7 | 55.40 | 46.38 | 30.10 | 93.20 | 8.10 | - | 1 | 7.90 | - |
| 2025-05-11 08:00 am | 19.7 | 55.22 | 46.56 | 30.20 | 92.50 | 8.10 | - | 1 | 7.90 | - |
| 2025-05-11 07:45 am | 19.7 | 54.86 | 46.86 | 30.40 | 86.80 | 7.60 | - | 1 | 7.80 | - |
| 2025-05-11 07:30 am | 19.7 | 54.50 | 47.13 | 30.60 | 77.80 | 6.80 | - | 1 | 7.70 | - |
| 2025-05-11 07:15 am | 19.7 | 54.68 | 47.09 | 30.60 | 89.00 | 7.80 | - | 1 | 7.80 | - |
| 2025-05-11 07:00 am | 19.7 | 54.50 | 47.24 | 30.70 | 94.20 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 06:45 am | 19.7 | 55.04 | 46.81 | 30.40 | 95.80 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 06:30 am | 19.7 | 54.86 | 46.82 | 30.40 | 95.80 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 06:15 am | 19.7 | 54.68 | 47.02 | 30.50 | 95.60 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 06:00 am | 19.4 | 54.86 | 46.97 | 30.50 | 95.10 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 05:45 am | 19.0 | 54.86 | 46.84 | 30.40 | 91.20 | 8.00 | - | 1 | 7.90 | - |
| 2025-05-11 05:30 am | 19.0 | 53.06 | 48.58 | 31.60 | 90.50 | 8.10 | - | 2 | 7.80 | - |
| 2025-05-11 05:15 am | 19.0 | 52.88 | 48.75 | 31.70 | 91.10 | 8.10 | - | 1 | 7.90 | - |
| 2025-05-11 05:00 am | 18.7 | 52.88 | 48.72 | 31.70 | 92.20 | 8.20 | - | 2 | 7.90 | - |
| 2025-05-11 04:45 am | 18.7 | 52.34 | 48.99 | 31.90 | 91.80 | 8.20 | - | 2 | 7.90 | - |
| 2025-05-11 04:30 am | 18.4 | 52.52 | 48.91 | 31.80 | 83.90 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 04:15 am | 18.4 | 55.04 | 47.13 | 30.60 | 85.60 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 04:00 am | 18.0 | 56.12 | 46.05 | 29.90 | 93.90 | 8.20 | - | 1 | 7.90 | - |
| 2025-05-11 03:45 am | 18.0 | 55.94 | 46.23 | 30.00 | 96.30 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 03:30 am | 17.7 | 54.14 | 47.72 | 31.00 | 88.90 | 7.80 | - | 1 | 7.80 | - |
| 2025-05-11 03:15 am | 17.7 | 54.32 | 47.60 | 30.90 | 86.50 | 7.60 | - | 1 | 7.80 | - |
| 2025-05-11 03:00 am | 17.4 | 53.96 | 47.86 | 31.10 | 91.60 | 8.10 | - | 1 | 7.80 | - |
| 2025-05-11 02:45 am | 17.4 | 55.94 | 46.27 | 30.00 | 95.10 | 8.30 | - | 1 | 7.90 | - |
| 2025-05-11 02:30 am | 17.4 | 55.40 | 46.58 | 30.20 | 93.20 | 8.10 | - | 1 | 7.90 | - |
| 2025-05-11 02:15 am | 17.1 | 55.22 | 46.89 | 30.40 | 85.20 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 02:00 am | 17.1 | 56.84 | 44.98 | 29.10 | 96.90 | 8.40 | - | 1 | 7.90 | - |
| 2025-05-11 01:45 am | 17.1 | 56.84 | 45.09 | 29.20 | 99.00 | 8.60 | - | 1 | 7.90 | - |
| 2025-05-11 01:30 am | 16.7 | 56.66 | 45.21 | 29.30 | 98.30 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-11 01:15 am | 16.7 | 56.48 | 45.38 | 29.40 | 98.20 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-11 01:00 am | 16.7 | 56.12 | 45.75 | 29.60 | 91.60 | 8.00 | - | 1 | 7.90 | - |
| 2025-05-11 12:45 am | 16.7 | 55.40 | 46.56 | 30.20 | 83.10 | 7.20 | - | 1 | 7.80 | - |
| 2025-05-11 12:30 am | 16.7 | 55.76 | 46.24 | 30.00 | 86.50 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-11 12:15 am | 17.1 | 55.94 | 46.08 | 29.90 | 97.30 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-11 12:00 am | 17.1 | 55.76 | 46.17 | 29.90 | 97.30 | 8.50 | - | 1 | 7.90 | - |
| 2025-05-10 11:45 pm | 17.1 | 55.22 | 46.55 | 30.20 | 93.60 | 8.20 | - | 1 | 7.90 | - |
| 2025-05-10 11:30 pm | 17.4 | 54.14 | 47.63 | 31.00 | 78.20 | 6.90 | - | 1 | 7.70 | - |
| 2025-05-10 11:15 pm | 17.7 | 54.14 | 47.62 | 30.90 | 86.70 | 7.70 | - | 1 | 7.80 | - |
| 2025-05-10 11:00 pm | 18.0 | 53.96 | 47.69 | 31.00 | 87.70 | 7.80 | - | 1 | 7.80 | - |
| 2025-05-10 10:45 pm | 18.0 | 53.24 | 48.18 | 31.30 | 84.20 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-10 10:30 pm | 18.4 | 52.70 | 48.62 | 31.60 | 83.60 | 7.50 | - | 1 | 7.80 | - |
| 2025-05-10 10:15 pm | 18.7 | 52.34 | 48.92 | 31.80 | 84.30 | 7.60 | - | 1 | 7.80 | - |
| 2025-05-10 10:00 pm | 19.0 | 52.34 | 48.94 | 31.80 | 89.60 | 8.00 | - | 1 | 7.80 | - |
| 2025-05-10 09:45 pm | 19.4 | 52.16 | 49.00 | 31.90 | 88.60 | 7.90 | - | 1 | 7.80 | - |
| 2025-05-10 09:30 pm | 19.7 | 52.88 | 48.56 | 31.60 | 88.60 | 7.90 | - | 1 | 7.80 | - |
| 2025-05-10 09:15 pm | 20.0 | 53.42 | 48.21 | 31.40 | 80.70 | 7.20 | - | 2 | 7.70 | - |
| 2025-05-10 09:00 pm | 20.0 | 53.96 | 47.70 | 31.00 | 77.70 | 6.90 | - | 1 | 7.70 | - |
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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