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): | 18.0 ft |
 Ocean Temperature (OTMP): | 46.76 °F |
| Conductivity (COND): | 48.72 mS/cm |
| Salinity (SAL): | 31.50 psu |
| Oxygen Concentration (O2PCT): | 101.2% |
| Oxygen Concentration (O2PPM): | 9.70 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-24 01:30 pm | 17.7 | 46.58 | 48.83 | 31.60 | 94.10 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 01:15 pm | 17.7 | 47.12 | 48.67 | 31.50 | 94.10 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-24 01:00 pm | 17.4 | 49.28 | 47.48 | 30.70 | 104.80 | 9.80 | - | 1 | 8.00 | - |
| 2025-04-24 12:45 pm | 17.4 | 49.64 | 47.21 | 30.50 | 98.00 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 12:30 pm | 17.4 | 50.00 | 47.01 | 30.40 | 99.60 | 9.30 | - | 1 | 7.90 | - |
| 2025-04-24 12:15 pm | 17.1 | 49.82 | 47.03 | 30.40 | 98.10 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 12:00 pm | 17.1 | 49.64 | 47.10 | 30.40 | 97.10 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 11:45 am | 17.1 | 49.64 | 47.16 | 30.50 | 99.00 | 9.30 | - | 1 | 7.90 | - |
| 2025-04-24 11:30 am | 17.1 | 49.46 | 47.25 | 30.50 | 100.70 | 9.40 | - | 1 | 8.00 | - |
| 2025-04-24 11:15 am | 17.1 | 49.10 | 47.41 | 30.60 | 100.60 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-24 11:00 am | 17.1 | 48.92 | 47.53 | 30.70 | 99.50 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-24 10:45 am | 17.1 | 48.74 | 47.59 | 30.80 | 97.10 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 10:30 am | 17.1 | 48.74 | 47.58 | 30.80 | 97.60 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-24 10:15 am | 17.1 | 48.56 | 47.59 | 30.80 | 97.50 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-24 10:00 am | 17.1 | 48.38 | 47.64 | 30.80 | 94.30 | 8.90 | - | 1 | 7.90 | - |
| 2025-04-24 09:45 am | 17.4 | 48.20 | 47.75 | 30.90 | 88.30 | 8.40 | - | 1 | 7.80 | - |
| 2025-04-24 09:30 am | 17.4 | 47.66 | 48.07 | 31.10 | 72.70 | 6.90 | - | 1 | 7.70 | - |
| 2025-04-24 09:15 am | 17.7 | 47.48 | 48.06 | 31.00 | 75.60 | 7.20 | - | 1 | 7.70 | - |
| 2025-04-24 09:00 am | 17.7 | 47.66 | 47.99 | 31.00 | 86.70 | 8.30 | - | 1 | 7.80 | - |
| 2025-04-24 08:45 am | 18.0 | 47.48 | 47.93 | 31.00 | 89.80 | 8.60 | - | 1 | 7.80 | - |
| 2025-04-24 08:30 am | 18.0 | 46.76 | 48.38 | 31.20 | 85.00 | 8.20 | - | 1 | 7.70 | - |
| 2025-04-24 08:15 am | 18.4 | 46.40 | 48.66 | 31.40 | 92.40 | 8.90 | - | 1 | 7.90 | - |
| 2025-04-24 08:00 am | 18.7 | 46.40 | 48.71 | 31.50 | 89.90 | 8.70 | - | 1 | 7.90 | - |
| 2025-04-24 07:45 am | 19.0 | 46.76 | 48.35 | 31.20 | 95.00 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 07:30 am | 19.0 | 45.68 | 49.19 | 31.80 | 91.00 | 8.90 | - | 1 | 7.90 | - |
| 2025-04-24 07:15 am | 19.4 | 47.30 | 48.23 | 31.20 | 85.00 | 8.10 | - | 1 | 7.80 | - |
| 2025-04-24 07:00 am | 19.7 | 47.48 | 48.22 | 31.20 | 89.60 | 8.60 | - | 0 | 7.90 | - |
| 2025-04-24 06:45 am | 19.7 | 47.84 | 47.84 | 30.90 | 91.40 | 8.70 | - | 0 | 7.80 | - |
| 2025-04-24 06:30 am | 20.0 | 47.30 | 48.09 | 31.10 | 93.70 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-24 06:15 am | 20.3 | 46.40 | 48.78 | 31.50 | 90.00 | 8.70 | - | 1 | 7.90 | - |
| 2025-04-24 06:00 am | 20.3 | 47.12 | 48.41 | 31.30 | 91.50 | 8.80 | - | 1 | 7.90 | - |
| 2025-04-24 05:45 am | 20.3 | 48.02 | 47.76 | 30.90 | 88.70 | 8.40 | - | 1 | 7.90 | - |
| 2025-04-24 05:30 am | 20.7 | 48.20 | 47.68 | 30.80 | 87.40 | 8.30 | - | 1 | 7.80 | - |
| 2025-04-24 05:15 am | 20.7 | 48.02 | 47.77 | 30.90 | 100.20 | 9.50 | - | 1 | 8.00 | - |
| 2025-04-24 05:00 am | 20.7 | 47.30 | 48.28 | 31.20 | 94.20 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-24 04:45 am | 20.7 | 48.02 | 47.72 | 30.80 | 101.10 | 9.60 | - | 1 | 8.00 | - |
| 2025-04-24 04:30 am | 20.3 | 48.02 | 47.75 | 30.80 | 100.50 | 9.50 | - | 1 | 8.00 | - |
| 2025-04-24 04:15 am | 20.3 | 48.02 | 47.81 | 30.90 | 101.50 | 9.60 | - | 1 | 8.00 | - |
| 2025-04-24 04:00 am | 20.3 | 47.84 | 47.90 | 30.90 | 101.50 | 9.70 | - | 1 | 8.00 | - |
| 2025-04-24 03:45 am | 20.0 | 47.66 | 47.94 | 31.00 | 101.90 | 9.70 | - | 1 | 8.00 | - |
| 2025-04-24 03:30 am | 19.7 | 47.30 | 48.18 | 31.10 | 101.60 | 9.70 | - | 1 | 8.00 | - |
| 2025-04-24 03:15 am | 19.7 | 46.04 | 48.90 | 31.60 | 99.50 | 9.60 | - | 1 | 8.00 | - |
| 2025-04-24 03:00 am | 19.4 | 45.86 | 48.98 | 31.60 | 99.10 | 9.60 | - | 1 | 8.00 | - |
| 2025-04-24 02:45 am | 19.0 | 46.22 | 48.85 | 31.50 | 99.70 | 9.60 | - | 1 | 8.00 | - |
| 2025-04-24 02:30 am | 19.0 | 47.12 | 48.40 | 31.30 | 100.90 | 9.70 | - | 1 | 8.00 | - |
| 2025-04-24 02:15 am | 18.7 | 47.12 | 48.47 | 31.30 | 98.70 | 9.50 | - | 1 | 8.00 | - |
| 2025-04-24 02:00 am | 18.4 | 47.12 | 48.42 | 31.30 | 98.40 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-24 01:45 am | 18.4 | 45.86 | 49.03 | 31.70 | 94.70 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-24 01:30 am | 18.0 | 45.50 | 49.23 | 31.80 | 84.40 | 8.20 | - | 1 | 7.80 | - |
| 2025-04-24 01:15 am | 18.0 | 45.50 | 49.23 | 31.80 | 81.70 | 8.00 | - | 1 | 7.80 | - |
| 2025-04-24 01:00 am | 17.7 | 45.50 | 49.20 | 31.80 | 89.50 | 8.70 | - | 1 | 7.80 | - |
| 2025-04-24 12:45 am | 17.7 | 46.04 | 49.02 | 31.70 | 93.60 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 12:30 am | 17.7 | 47.12 | 48.42 | 31.30 | 94.00 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-24 12:15 am | 17.4 | 47.66 | 48.07 | 31.10 | 95.10 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-24 12:00 am | 17.4 | 47.12 | 48.48 | 31.30 | 89.10 | 8.50 | - | 1 | 7.90 | - |
| 2025-04-23 11:45 pm | 17.4 | 48.02 | 48.08 | 31.10 | 87.50 | 8.30 | - | 1 | 7.80 | - |
| 2025-04-23 11:30 pm | 17.1 | 48.02 | 48.02 | 31.00 | 97.40 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-23 11:15 pm | 17.1 | 48.20 | 47.85 | 30.90 | 100.30 | 9.50 | - | 1 | 8.00 | - |
| 2025-04-23 11:00 pm | 17.1 | 47.84 | 48.08 | 31.10 | 94.10 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-23 10:45 pm | 17.1 | 47.84 | 48.03 | 31.00 | 93.00 | 8.80 | - | 1 | 7.90 | - |
| 2025-04-23 10:30 pm | 17.1 | 48.20 | 47.83 | 30.90 | 89.70 | 8.50 | - | 1 | 7.90 | - |
| 2025-04-23 10:15 pm | 17.1 | 48.38 | 47.77 | 30.90 | 90.10 | 8.50 | - | 1 | 7.80 | - |
| 2025-04-23 10:00 pm | 17.1 | 48.38 | 47.73 | 30.80 | 91.70 | 8.70 | - | 1 | 7.90 | - |
| 2025-04-23 09:45 pm | 17.1 | 48.56 | 47.61 | 30.80 | 96.20 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-23 09:30 pm | 17.1 | 49.10 | 47.28 | 30.60 | 96.90 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-23 09:15 pm | 17.4 | 48.56 | 47.45 | 30.70 | 94.80 | 8.90 | - | 1 | 7.90 | - |
| 2025-04-23 09:00 pm | 17.4 | 48.20 | 47.75 | 30.90 | 96.30 | 9.10 | - | 1 | 7.90 | - |
| 2025-04-23 08:45 pm | 17.7 | 47.12 | 48.36 | 31.20 | 90.60 | 8.70 | - | 1 | 7.80 | - |
| 2025-04-23 08:30 pm | 18.0 | 48.20 | 47.64 | 30.80 | 101.30 | 9.60 | - | 1 | 8.00 | - |
| 2025-04-23 08:15 pm | 18.0 | 46.04 | 49.06 | 31.70 | 88.70 | 8.60 | - | 1 | 7.80 | - |
| 2025-04-23 08:00 pm | 18.4 | 46.58 | 48.69 | 31.50 | 82.00 | 7.90 | - | 1 | 7.80 | - |
| 2025-04-23 07:45 pm | 18.7 | 46.76 | 48.59 | 31.40 | 91.50 | 8.80 | - | 1 | 7.90 | - |
| 2025-04-23 07:30 pm | 19.0 | 46.94 | 48.44 | 31.30 | 93.20 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-23 07:15 pm | 19.0 | 47.12 | 48.31 | 31.20 | 90.90 | 8.70 | - | 1 | 7.90 | - |
| 2025-04-23 07:00 pm | 19.4 | 47.48 | 48.30 | 31.20 | 92.10 | 8.80 | - | 1 | 7.90 | - |
| 2025-04-23 06:45 pm | 19.7 | 47.66 | 48.03 | 31.00 | 92.00 | 8.80 | - | 1 | 7.90 | - |
| 2025-04-23 06:30 pm | 19.7 | 47.30 | 48.24 | 31.20 | 92.30 | 8.80 | - | 1 | 7.90 | - |
| 2025-04-23 06:15 pm | 20.0 | 46.94 | 48.46 | 31.30 | 95.40 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-23 06:00 pm | 20.3 | 46.58 | 48.70 | 31.50 | 93.40 | 9.00 | - | 1 | 7.90 | - |
| 2025-04-23 05:45 pm | 20.3 | 47.12 | 48.41 | 31.30 | 98.10 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-23 05:30 pm | 20.3 | 48.20 | 48.16 | 31.10 | 99.10 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-23 05:15 pm | 20.7 | 48.56 | 47.56 | 30.70 | 100.00 | 9.50 | - | 1 | 7.90 | - |
| 2025-04-23 05:00 pm | 20.7 | 46.04 | 49.01 | 31.70 | 97.50 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-23 04:45 pm | 20.7 | 46.40 | 48.90 | 31.60 | 97.50 | 9.40 | - | 1 | 7.90 | - |
| 2025-04-23 04:30 pm | 20.7 | 48.56 | 47.82 | 30.90 | 90.60 | 8.60 | - | 1 | 7.90 | - |
| 2025-04-23 04:15 pm | 20.7 | 48.92 | 47.61 | 30.80 | 98.20 | 9.20 | - | 1 | 7.90 | - |
| 2025-04-23 04:00 pm | 20.7 | 48.74 | 47.64 | 30.80 | 100.90 | 9.50 | - | 1 | 8.00 | - |
| 2025-04-23 03:45 pm | 20.3 | 46.58 | 48.55 | 31.40 | 102.10 | 9.80 | - | 1 | 8.00 | - |
| 2025-04-23 03:30 pm | 20.3 | 47.30 | 48.34 | 31.20 | 101.00 | 9.70 | - | 1 | 8.00 | - |
| 2025-04-23 03:15 pm | 20.0 | 44.96 | 49.57 | 32.00 | 97.20 | 9.50 | - | 1 | 7.90 | - |
| 2025-04-23 03:00 pm | 20.0 | 45.32 | 49.32 | 31.80 | 100.70 | 9.80 | - | 1 | 8.00 | - |
| 2025-04-23 02:45 pm | 19.7 | 45.32 | 49.22 | 31.80 | 100.60 | 9.80 | - | 1 | 8.00 | - |
| 2025-04-23 02:30 pm | 19.4 | 47.12 | 48.37 | 31.30 | 105.40 | 10.10 | - | 1 | 8.00 | - |
| 2025-04-23 02:15 pm | 19.4 | 46.04 | 48.83 | 31.50 | 101.70 | 9.90 | - | 1 | 8.00 | - |
| 2025-04-23 02:00 pm | 19.0 | 45.50 | 49.20 | 31.80 | 97.80 | 9.50 | - | 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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