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): | 17.4 ft |
 Ocean Temperature (OTMP): | 45.32 °F |
| Conductivity (COND): | 46.94 mS/cm |
| Salinity (SAL): | 30.10 psu |
| Oxygen Concentration (O2PCT): | 101.8% |
| Oxygen Concentration (O2PPM): | 10.10 ppm |
| Turbidity (TURB): | 1 FTU |
| pH (PH): | 8.00 |
| TIME (EDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-15 04:30 pm | 17.1 | 44.78 | 47.49 | 30.50 | 94.10 | 9.30 | - | 1 | 7.90 | - |
| 2025-04-15 04:15 pm | 17.1 | 44.78 | 47.56 | 30.60 | 97.30 | 9.70 | - | 1 | 7.90 | - |
| 2025-04-15 04:00 pm | 17.1 | 44.78 | 47.65 | 30.60 | 101.40 | 10.10 | - | 1 | 8.00 | - |
| 2025-04-15 03:45 pm | 16.7 | 44.60 | 47.79 | 30.70 | 92.70 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-15 03:30 pm | 16.7 | 44.60 | 47.81 | 30.70 | 83.60 | 8.30 | - | 1 | 7.80 | - |
| 2025-04-15 03:15 pm | 16.7 | 44.60 | 47.81 | 30.70 | 85.80 | 8.50 | - | 1 | 7.80 | - |
| 2025-04-15 03:00 pm | 16.7 | 44.96 | 47.23 | 30.30 | 93.30 | 9.20 | - | 1 | 7.80 | - |
| 2025-04-15 02:45 pm | 16.7 | 44.96 | 47.36 | 30.40 | 94.40 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-15 02:30 pm | 16.7 | 44.78 | 47.55 | 30.60 | 95.50 | 9.50 | - | 1 | 7.90 | - |
| 2025-04-15 02:15 pm | 17.1 | 44.60 | 47.79 | 30.70 | 92.70 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-15 02:00 pm | 17.1 | 44.42 | 47.96 | 30.80 | 89.90 | 8.90 | - | 1 | 7.80 | - |
| 2025-04-15 01:45 pm | 17.4 | 44.06 | 48.56 | 31.20 | 82.50 | 8.20 | - | 1 | 7.80 | - |
| 2025-04-15 01:30 pm | 17.4 | 44.60 | 47.71 | 30.70 | 95.50 | 9.50 | - | 1 | 7.90 | - |
| 2025-04-15 01:15 pm | 17.7 | 44.24 | 48.21 | 31.00 | 93.00 | 9.30 | - | 1 | 7.90 | - |
| 2025-04-15 01:00 pm | 17.7 | 44.06 | 48.75 | 31.40 | 80.50 | 8.00 | - | 1 | 7.80 | - |
| 2025-04-15 12:45 pm | 18.0 | 44.06 | 48.60 | 31.30 | 80.90 | 8.10 | - | 1 | 7.80 | - |
| 2025-04-15 12:30 pm | 18.4 | 44.24 | 48.15 | 31.00 | 95.40 | 9.50 | - | 1 | 7.90 | - |
| 2025-04-15 12:15 pm | 18.7 | 44.06 | 48.45 | 31.20 | 90.60 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-15 12:00 pm | 19.0 | 44.24 | 48.48 | 31.20 | 85.30 | 8.50 | - | 1 | 7.80 | - |
| 2025-04-15 11:45 am | 19.0 | 44.42 | 48.02 | 30.90 | 95.60 | 9.50 | - | 1 | 7.90 | - |
| 2025-04-15 11:30 am | 19.4 | 44.06 | 48.56 | 31.20 | 85.40 | 8.50 | - | 1 | 7.80 | - |
| 2025-04-15 11:15 am | 19.7 | 44.60 | 47.66 | 30.60 | 95.90 | 9.50 | - | 1 | 7.80 | - |
| 2025-04-15 11:00 am | 19.7 | 44.78 | 47.63 | 30.60 | 97.40 | 9.70 | - | 1 | 7.90 | - |
| 2025-04-15 10:45 am | 20.0 | 44.96 | 47.37 | 30.40 | 94.20 | 9.30 | - | 2 | 7.80 | - |
| 2025-04-15 10:00 am | 20.3 | 44.24 | 47.78 | 30.70 | 94.20 | 9.40 | - | 1 | 7.80 | - |
| 2025-04-15 09:45 am | 20.0 | 44.24 | 47.89 | 30.80 | 95.80 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-15 09:30 am | 20.0 | 44.06 | 48.03 | 30.90 | 98.20 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-15 09:15 am | 20.0 | 44.06 | 48.08 | 30.90 | 99.20 | 9.90 | - | 1 | 7.80 | - |
| 2025-04-15 09:00 am | 19.7 | 44.06 | 48.19 | 31.00 | 92.70 | 9.30 | - | 1 | 7.70 | - |
| 2025-04-15 08:45 am | 19.7 | 44.24 | 47.94 | 30.80 | 94.90 | 9.50 | - | 1 | 7.80 | - |
| 2025-04-15 08:30 am | 19.7 | 44.42 | 47.47 | 30.50 | 98.80 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-15 08:15 am | 19.4 | 44.24 | 47.71 | 30.60 | 101.20 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 08:00 am | 19.4 | 44.42 | 47.61 | 30.60 | 99.40 | 9.90 | - | 1 | 7.80 | - |
| 2025-04-15 07:45 am | 19.0 | 44.42 | 47.47 | 30.50 | 98.80 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-15 07:30 am | 18.7 | 44.42 | 47.52 | 30.50 | 98.40 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-15 07:15 am | 18.7 | 44.96 | 46.76 | 30.00 | 102.30 | 10.20 | - | 1 | 7.90 | - |
| 2025-04-15 07:00 am | 18.7 | 44.96 | 46.90 | 30.10 | 101.90 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 06:45 am | 18.4 | 43.70 | 48.51 | 31.20 | 94.90 | 9.50 | - | 1 | 7.80 | - |
| 2025-04-15 06:30 am | 18.4 | 43.52 | 48.91 | 31.50 | 88.40 | 8.80 | - | 1 | 7.70 | - |
| 2025-04-15 06:15 am | 18.0 | 43.70 | 48.79 | 31.40 | 91.50 | 9.20 | - | 1 | 7.80 | - |
| 2025-04-15 06:00 am | 17.7 | 43.70 | 48.78 | 31.40 | 95.40 | 9.50 | - | 1 | 7.80 | - |
| 2025-04-15 05:45 am | 18.0 | 44.24 | 47.97 | 30.80 | 93.70 | 9.30 | - | 1 | 7.80 | - |
| 2025-04-15 05:30 am | 17.7 | 44.78 | 47.28 | 30.40 | 90.60 | 9.00 | - | 1 | 7.80 | - |
| 2025-04-15 05:15 am | 17.7 | 45.14 | 46.79 | 30.00 | 97.20 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-15 05:00 am | 17.7 | 45.14 | 46.80 | 30.00 | 101.40 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 04:45 am | 17.4 | 45.14 | 46.69 | 30.00 | 102.20 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 04:30 am | 17.4 | 44.96 | 46.85 | 30.10 | 101.60 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 04:15 am | 17.4 | 45.14 | 46.75 | 30.00 | 101.50 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 04:00 am | 17.1 | 45.14 | 46.70 | 30.00 | 101.40 | 10.00 | - | 1 | 7.90 | - |
| 2025-04-15 03:45 am | 17.1 | 45.14 | 46.67 | 30.00 | 101.20 | 10.00 | - | 1 | 7.90 | - |
| 2025-04-15 03:30 am | 17.1 | 45.32 | 46.68 | 30.00 | 101.60 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-15 03:15 am | 17.1 | 45.14 | 46.81 | 30.10 | 100.10 | 9.90 | - | 1 | 7.90 | - |
| 2025-04-15 03:00 am | 17.1 | 44.96 | 46.89 | 30.10 | 94.70 | 9.40 | - | 1 | 7.80 | - |
| 2025-04-15 02:45 am | 17.1 | 44.96 | 47.09 | 30.20 | 90.50 | 9.00 | - | 1 | 7.70 | - |
| 2025-04-15 02:30 am | 17.1 | 44.96 | 47.02 | 30.20 | 93.30 | 9.30 | - | 1 | 7.80 | - |
| 2025-04-15 02:15 am | 17.1 | 44.96 | 46.80 | 30.00 | 96.50 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-15 02:00 am | 17.4 | 44.60 | 47.52 | 30.50 | 88.80 | 8.80 | - | 1 | 7.70 | - |
| 2025-04-15 01:45 am | 17.4 | 44.60 | 47.52 | 30.50 | 90.90 | 9.00 | - | 1 | 7.70 | - |
| 2025-04-15 01:30 am | 17.7 | 44.96 | 47.07 | 30.20 | 94.10 | 9.30 | - | 1 | 7.70 | - |
| 2025-04-15 01:15 am | 18.0 | 44.78 | 47.12 | 30.20 | 96.90 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-15 01:00 am | 18.0 | 44.24 | 47.76 | 30.70 | 92.10 | 9.20 | - | 1 | 7.80 | - |
| 2025-04-15 12:45 am | 18.4 | 44.42 | 47.65 | 30.60 | 95.40 | 9.50 | - | 1 | 7.80 | - |
| 2025-04-15 12:30 am | 18.7 | 44.06 | 48.30 | 31.00 | 92.40 | 9.20 | - | 1 | 7.70 | - |
| 2025-04-15 12:15 am | 19.0 | 44.24 | 47.72 | 30.60 | 94.30 | 9.40 | - | 1 | 7.80 | - |
| 2025-04-15 12:00 am | 19.4 | 44.06 | 48.08 | 30.90 | 94.30 | 9.40 | - | 1 | 7.80 | - |
| 2025-04-14 11:45 pm | 19.7 | 44.24 | 47.84 | 30.70 | 95.80 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-14 11:30 pm | 20.0 | 44.06 | 48.08 | 30.90 | 93.60 | 9.40 | - | 1 | 7.70 | - |
| 2025-04-14 11:15 pm | 20.0 | 43.88 | 48.34 | 31.10 | 97.10 | 9.70 | - | 1 | 7.80 | - |
| 2025-04-14 11:00 pm | 20.3 | 44.06 | 48.34 | 31.10 | 90.50 | 9.00 | - | 1 | 7.80 | - |
| 2025-04-14 10:45 pm | 20.3 | 44.06 | 48.27 | 31.00 | 88.10 | 8.80 | - | 1 | 7.70 | - |
| 2025-04-14 10:30 pm | 20.7 | 44.06 | 48.21 | 31.00 | 98.60 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-14 10:15 pm | 20.7 | 43.88 | 48.33 | 31.10 | 91.20 | 9.10 | - | 1 | 7.70 | - |
| 2025-04-14 10:00 pm | 20.7 | 43.88 | 48.33 | 31.10 | 95.10 | 9.50 | - | 1 | 7.80 | - |
| 2025-04-14 09:45 pm | 20.7 | 43.88 | 48.20 | 31.00 | 99.20 | 9.90 | - | 1 | 7.80 | - |
| 2025-04-14 09:30 pm | 20.7 | 43.70 | 48.55 | 31.20 | 99.00 | 9.90 | - | 1 | 7.80 | - |
| 2025-04-14 09:15 pm | 20.7 | 43.52 | 48.76 | 31.30 | 95.60 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-14 09:00 pm | 20.7 | 43.52 | 49.02 | 31.50 | 95.80 | 9.60 | - | 1 | 7.80 | - |
| 2025-04-14 08:45 pm | 20.7 | 43.34 | 49.13 | 31.60 | 93.90 | 9.40 | - | 1 | 7.80 | - |
| 2025-04-14 08:30 pm | 20.7 | 43.34 | 49.15 | 31.60 | 97.50 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-14 08:15 pm | 20.3 | 43.34 | 49.16 | 31.60 | 98.20 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-14 08:00 pm | 20.3 | 43.34 | 49.22 | 31.70 | 98.20 | 9.80 | - | 1 | 7.80 | - |
| 2025-04-14 07:45 pm | 20.0 | 43.34 | 49.17 | 31.60 | 98.90 | 9.90 | - | 1 | 7.80 | - |
| 2025-04-14 07:30 pm | 19.7 | 43.52 | 49.05 | 31.50 | 98.80 | 9.90 | - | 1 | 7.80 | - |
| 2025-04-14 07:15 pm | 19.7 | 43.70 | 48.80 | 31.40 | 101.00 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-14 07:00 pm | 19.4 | 43.70 | 48.64 | 31.30 | 100.70 | 10.10 | - | 1 | 7.90 | - |
| 2025-04-14 06:45 pm | 19.4 | 43.88 | 48.30 | 31.00 | 94.20 | 9.40 | - | 1 | 7.80 | - |
| 2025-04-14 06:30 pm | 19.0 | 43.88 | 48.39 | 31.10 | 99.90 | 10.00 | - | 1 | 7.90 | - |
| 2025-04-14 06:15 pm | 19.0 | 43.70 | 48.46 | 31.10 | 101.60 | 10.20 | - | 1 | 7.90 | - |
| 2025-04-14 06:00 pm | 18.7 | 43.52 | 48.70 | 31.30 | 101.40 | 10.20 | - | 1 | 7.90 | - |
| 2025-04-14 05:45 pm | 18.4 | 43.70 | 48.70 | 31.30 | 101.90 | 10.20 | - | 1 | 7.90 | - |
| 2025-04-14 05:30 pm | 18.4 | 43.88 | 48.47 | 31.20 | 101.60 | 10.20 | - | 1 | 7.90 | - |
| 2025-04-14 05:15 pm | 18.0 | 44.60 | 47.83 | 30.70 | 101.30 | 10.10 | - | 1 | 7.80 | - |
| 2025-04-14 05:00 pm | 18.0 | 45.32 | 46.89 | 30.10 | 105.80 | 10.40 | - | 1 | 7.90 | - |
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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