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): | 16.7 ft |
 Ocean Temperature (OTMP): | 44.60 °F |
| Conductivity (COND): | 47.80 mS/cm |
| Salinity (SAL): | 30.70 psu |
| Oxygen Saturation (O2PCT): | 98.8% |
| Oxygen Concentration (O2PPM): | 9.80 ppm |
| Turbidity (TURB): | 2 FTU |
| pH (PH): | 8.00 |
| TIME (EST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-08 03:30 pm | 16.7 | 44.60 | 47.80 | 30.70 | 100.10 | 9.90 | - | 2 | 8.00 | - |
| 2025-12-08 03:15 pm | 16.7 | 44.60 | 47.79 | 30.70 | 97.70 | 9.70 | - | 1 | 8.00 | - |
| 2025-12-08 03:00 pm | 16.7 | 44.78 | 47.79 | 30.70 | 97.60 | 9.70 | - | 1 | 8.00 | - |
| 2025-12-08 02:45 pm | 16.7 | 44.78 | 47.80 | 30.70 | 97.80 | 9.70 | - | 1 | 8.00 | - |
| 2025-12-08 02:30 pm | 17.1 | 44.96 | 47.77 | 30.70 | 96.60 | 9.60 | - | 2 | 7.90 | - |
| 2025-12-08 02:15 pm | 17.1 | 44.96 | 47.78 | 30.70 | 95.30 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 02:00 pm | 17.4 | 44.96 | 47.77 | 30.70 | 94.70 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 01:45 pm | 17.4 | 44.96 | 47.78 | 30.70 | 91.90 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-08 01:30 pm | 17.7 | 45.14 | 47.79 | 30.70 | 95.00 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 01:15 pm | 18.0 | 44.96 | 47.78 | 30.70 | 94.70 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 01:00 pm | 18.4 | 44.78 | 47.76 | 30.70 | 93.70 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 12:45 pm | 18.7 | 44.78 | 47.68 | 30.60 | 95.10 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-08 12:30 pm | 19.0 | 44.78 | 47.72 | 30.70 | 94.20 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 12:15 pm | 19.4 | 44.96 | 47.95 | 30.90 | 95.40 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 12:00 pm | 19.7 | 45.14 | 47.98 | 30.90 | 94.90 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 11:45 am | 20.0 | 45.14 | 47.95 | 30.90 | 94.70 | 9.30 | - | 2 | 7.90 | - |
| 2025-12-08 11:30 am | 20.3 | 45.32 | 48.02 | 30.90 | 94.30 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 11:15 am | 20.7 | 45.14 | 48.01 | 30.90 | 94.60 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 11:00 am | 20.7 | 45.50 | 48.16 | 31.00 | 93.50 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-08 10:45 am | 21.0 | 45.50 | 48.17 | 31.00 | 95.00 | 9.30 | - | 2 | 7.90 | - |
| 2025-12-08 10:30 am | 21.0 | 45.68 | 48.21 | 31.10 | 94.90 | 9.30 | - | 2 | 7.90 | - |
| 2025-12-08 10:15 am | 21.3 | 45.32 | 48.13 | 31.00 | 95.30 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 10:00 am | 21.3 | 45.14 | 48.00 | 30.90 | 95.30 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 09:45 am | 21.3 | 45.14 | 47.97 | 30.90 | 95.20 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 09:30 am | 21.0 | 44.96 | 47.96 | 30.90 | 95.00 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 09:15 am | 20.7 | 44.78 | 47.90 | 30.80 | 94.90 | 9.40 | - | 3 | 7.90 | - |
| 2025-12-08 09:00 am | 20.7 | 44.42 | 47.73 | 30.70 | 95.00 | 9.50 | - | 2 | 7.90 | - |
| 2025-12-08 08:45 am | 20.3 | 43.88 | 47.58 | 30.50 | 95.20 | 9.60 | - | 2 | 7.90 | - |
| 2025-12-08 08:30 am | 20.0 | 43.52 | 47.44 | 30.40 | 95.40 | 9.60 | - | 2 | 7.90 | - |
| 2025-12-08 08:15 am | 19.7 | 43.70 | 47.45 | 30.40 | 95.30 | 9.60 | - | 1 | 7.90 | - |
| 2025-12-08 08:00 am | 19.4 | 44.06 | 47.55 | 30.50 | 94.90 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-08 07:45 am | 19.0 | 44.42 | 47.55 | 30.50 | 94.90 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-08 07:30 am | 18.7 | 44.06 | 47.57 | 30.50 | 94.20 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 07:15 am | 18.7 | 43.88 | 47.49 | 30.50 | 94.70 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-08 07:00 am | 18.4 | 43.34 | 47.43 | 30.40 | 94.30 | 9.50 | - | 2 | 7.90 | - |
| 2025-12-08 06:45 am | 18.0 | 43.88 | 47.46 | 30.40 | 93.20 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 06:30 am | 17.7 | 44.24 | 47.60 | 30.60 | 94.50 | 9.40 | - | 2 | 7.90 | - |
| 2025-12-08 06:15 am | 17.7 | 44.24 | 47.58 | 30.50 | 95.50 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-08 06:00 am | 17.4 | 44.24 | 47.50 | 30.50 | 95.50 | 9.60 | - | 1 | 7.90 | - |
| 2025-12-08 05:45 am | 17.4 | 43.88 | 47.46 | 30.40 | 95.60 | 9.60 | - | 1 | 7.90 | - |
| 2025-12-08 05:30 am | 17.1 | 43.88 | 47.46 | 30.40 | 95.20 | 9.60 | - | 1 | 7.90 | - |
| 2025-12-08 05:15 am | 17.1 | 44.06 | 47.51 | 30.50 | 94.60 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-08 05:00 am | 16.7 | 44.06 | 47.52 | 30.50 | 94.30 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-08 04:45 am | 16.7 | 44.06 | 47.50 | 30.50 | 94.20 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-08 04:30 am | 16.4 | 44.96 | 47.77 | 30.70 | 94.00 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 04:15 am | 16.4 | 44.24 | 47.50 | 30.50 | 94.00 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-08 04:00 am | 16.4 | 44.60 | 47.57 | 30.60 | 93.00 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-08 03:45 am | 16.4 | 44.42 | 47.55 | 30.50 | 92.90 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 03:30 am | 16.1 | 44.24 | 47.50 | 30.50 | 93.00 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 03:15 am | 16.1 | 44.42 | 47.53 | 30.50 | 93.10 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 03:00 am | 16.4 | 44.60 | 47.59 | 30.60 | 94.40 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-08 02:45 am | 16.4 | 44.42 | 47.47 | 30.50 | 93.90 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-08 02:30 am | 16.4 | 44.96 | 47.56 | 30.60 | 92.20 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-08 02:15 am | 16.4 | 44.96 | 47.65 | 30.60 | 92.90 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-08 02:00 am | 16.4 | 45.14 | 47.67 | 30.70 | 93.80 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-08 01:45 am | 16.7 | 45.68 | 47.93 | 30.90 | 93.70 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-08 01:30 am | 17.1 | 44.96 | 47.73 | 30.70 | 93.90 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 01:15 am | 17.4 | 44.60 | 47.54 | 30.50 | 93.90 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-08 01:00 am | 17.7 | 45.68 | 47.92 | 30.90 | 93.80 | 9.20 | - | 2 | 7.90 | - |
| 2025-12-08 12:45 am | 18.0 | 45.86 | 47.93 | 30.90 | 93.40 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-08 12:30 am | 18.0 | 46.04 | 47.95 | 30.90 | 93.40 | 9.10 | - | 2 | 7.90 | - |
| 2025-12-08 12:15 am | 18.4 | 46.04 | 47.97 | 30.90 | 90.40 | 8.80 | - | 1 | 7.90 | - |
| 2025-12-08 12:00 am | 18.7 | 46.04 | 47.97 | 30.90 | 92.60 | 9.00 | - | 2 | 7.90 | - |
| 2025-12-07 11:45 pm | 19.0 | 45.86 | 47.94 | 30.90 | 91.10 | 8.90 | - | 1 | 7.90 | - |
| 2025-12-07 11:30 pm | 19.4 | 46.04 | 47.97 | 30.90 | 93.00 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-07 11:15 pm | 19.7 | 46.04 | 48.03 | 31.00 | 94.40 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-07 11:00 pm | 20.0 | 46.04 | 48.05 | 31.00 | 93.10 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-07 10:45 pm | 20.3 | 46.22 | 48.10 | 31.00 | 93.90 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-07 10:30 pm | 20.7 | 46.58 | 48.49 | 31.30 | 89.00 | 8.60 | - | 1 | 7.90 | - |
| 2025-12-07 10:15 pm | 20.7 | 45.14 | 47.66 | 30.60 | 94.20 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-07 10:00 pm | 21.0 | 46.22 | 48.10 | 31.00 | 93.70 | 9.10 | - | 1 | 7.90 | - |
| 2025-12-07 09:45 pm | 21.0 | 45.68 | 47.89 | 30.80 | 95.20 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-07 09:30 pm | 21.0 | 45.86 | 47.87 | 30.80 | 95.00 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-07 09:15 pm | 21.0 | 46.04 | 48.04 | 31.00 | 94.70 | 9.20 | - | 2 | 7.90 | - |
| 2025-12-07 09:00 pm | 21.0 | 46.04 | 48.03 | 31.00 | 94.80 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-07 08:45 pm | 21.0 | 45.86 | 47.97 | 30.90 | 94.60 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-07 08:30 pm | 20.7 | 45.32 | 47.75 | 30.70 | 95.10 | 9.30 | - | 2 | 7.90 | - |
| 2025-12-07 08:15 pm | 20.7 | 45.14 | 47.58 | 30.60 | 95.50 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-07 08:00 pm | 20.3 | 44.96 | 47.47 | 30.50 | 95.70 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-07 07:45 pm | 20.0 | 44.78 | 47.45 | 30.50 | 95.90 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-07 07:30 pm | 19.7 | 44.60 | 47.48 | 30.50 | 96.30 | 9.60 | - | 2 | 7.90 | - |
| 2025-12-07 07:15 pm | 19.4 | 45.50 | 47.83 | 30.80 | 95.30 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-07 07:00 pm | 19.0 | 44.96 | 47.33 | 30.40 | 95.40 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-07 06:45 pm | 18.7 | 44.96 | 47.34 | 30.40 | 95.60 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-07 06:30 pm | 18.4 | 45.32 | 47.43 | 30.50 | 95.50 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-07 06:15 pm | 18.0 | 45.32 | 47.47 | 30.50 | 95.80 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-07 06:00 pm | 18.0 | 45.50 | 47.52 | 30.60 | 94.40 | 9.30 | - | 1 | 7.90 | - |
| 2025-12-07 05:45 pm | 17.7 | 45.50 | 47.51 | 30.60 | 93.80 | 9.20 | - | 1 | 7.90 | - |
| 2025-12-07 05:30 pm | 17.7 | 45.50 | 47.50 | 30.50 | 96.10 | 9.40 | - | 1 | 7.90 | - |
| 2025-12-07 05:15 pm | 17.4 | 45.14 | 47.25 | 30.40 | 96.50 | 9.50 | - | 1 | 7.90 | - |
| 2025-12-07 05:00 pm | 17.4 | 45.14 | 47.27 | 30.40 | 97.10 | 9.60 | - | 1 | 7.90 | - |
Historical data for station NAQR1 are available at the NERRS website.
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