Station EVMC1 - Vierra Mouth, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
36.811 N 121.779 W (36°48'40" N 121°46'45" 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): | 3.3 ft |
 Ocean Temperature (OTMP): | 58.46 °F |
| Conductivity (COND): | 51.25 mS/cm |
| Salinity (SAL): | 33.70 psu |
| Oxygen Saturation (O2PCT): | 102.9% |
| Oxygen Concentration (O2PPM): | 8.50 ppm |
| Turbidity (TURB): | 1 FTU |
| pH (PH): | 8.00 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-01 04:45 pm | 3.6 | 58.64 | 51.25 | 33.70 | 105.00 | 8.70 | - | 1 | 8.00 | - |
| 2026-06-01 04:30 pm | 3.6 | 59.00 | 51.30 | 33.70 | 114.30 | 9.40 | - | 2 | 8.10 | - |
| 2026-06-01 04:15 pm | 3.6 | 59.36 | 51.30 | 33.70 | 122.70 | 10.00 | - | 2 | 8.10 | - |
| 2026-06-01 04:00 pm | 3.6 | 59.18 | 51.33 | 33.70 | 120.30 | 9.90 | - | 4 | 8.10 | - |
| 2026-06-01 03:45 pm | 3.6 | 59.54 | 51.26 | 33.70 | 129.00 | 10.50 | - | 1 | 8.20 | - |
| 2026-06-01 03:30 pm | 3.6 | 59.18 | 51.34 | 33.80 | 122.50 | 10.00 | - | 1 | 8.10 | - |
| 2026-06-01 03:15 pm | 3.6 | 59.00 | 51.36 | 33.80 | 120.00 | 9.80 | - | 1 | 8.10 | - |
| 2026-06-01 03:00 pm | 3.9 | 59.36 | 51.27 | 33.70 | 125.10 | 10.20 | - | 2 | 8.20 | - |
| 2026-06-01 02:45 pm | 3.9 | 59.18 | 51.30 | 33.70 | 121.90 | 10.00 | - | 1 | 8.10 | - |
| 2026-06-01 02:30 pm | 3.9 | 59.00 | 51.26 | 33.70 | 116.90 | 9.60 | - | 1 | 8.10 | - |
| 2026-06-01 02:15 pm | 3.9 | 58.82 | 51.27 | 33.70 | 118.90 | 9.80 | - | 2 | 8.10 | - |
| 2026-06-01 02:00 pm | 3.9 | 58.82 | 51.26 | 33.70 | 119.60 | 9.80 | - | 1 | 8.10 | - |
| 2026-06-01 01:45 pm | 3.9 | 58.82 | 51.35 | 33.80 | 115.40 | 9.50 | - | 2 | 8.10 | - |
| 2026-06-01 01:30 pm | 3.9 | 58.64 | 51.36 | 33.80 | 113.90 | 9.40 | - | 1 | 8.10 | - |
| 2026-06-01 01:15 pm | 3.9 | 58.64 | 51.30 | 33.70 | 115.90 | 9.50 | - | 1 | 8.10 | - |
| 2026-06-01 01:00 pm | 3.9 | 58.46 | 51.28 | 33.70 | 113.40 | 9.40 | - | 1 | 8.10 | - |
| 2026-06-01 12:45 pm | 3.9 | 58.28 | 51.22 | 33.60 | 114.90 | 9.50 | - | 3 | 8.10 | - |
| 2026-06-01 12:30 pm | 3.9 | 58.28 | 51.26 | 33.70 | 111.70 | 9.20 | - | 1 | 8.10 | - |
| 2026-06-01 12:15 pm | 3.6 | 58.10 | 51.21 | 33.60 | 111.30 | 9.20 | - | 1 | 8.10 | - |
| 2026-06-01 12:00 pm | 3.6 | 57.74 | 51.24 | 33.70 | 110.00 | 9.20 | - | 1 | 8.10 | - |
| 2026-06-01 11:45 am | 3.6 | 57.56 | 51.32 | 33.70 | 107.40 | 8.90 | - | 1 | 8.00 | - |
| 2026-06-01 11:30 am | 3.3 | 57.56 | 51.38 | 33.80 | 105.40 | 8.80 | - | 1 | 8.00 | - |
| 2026-06-01 11:15 am | 3.3 | 57.02 | 51.20 | 33.60 | 101.60 | 8.50 | - | 2 | 8.00 | - |
| 2026-06-01 11:00 am | 3.0 | 56.30 | 51.27 | 33.70 | 97.30 | 8.20 | - | 2 | 8.00 | - |
| 2026-06-01 10:45 am | 3.0 | 55.76 | 51.40 | 33.70 | 92.80 | 7.90 | - | 2 | 8.00 | - |
| 2026-06-01 10:30 am | 2.6 | 55.58 | 51.41 | 33.70 | 89.10 | 7.60 | - | 2 | 7.90 | - |
| 2026-06-01 10:15 am | 2.6 | 55.58 | 51.46 | 33.80 | 85.80 | 7.30 | - | 2 | 7.90 | - |
| 2026-06-01 10:00 am | 2.3 | 55.22 | 51.71 | 33.90 | 80.00 | 6.80 | - | 2 | 7.90 | - |
| 2026-06-01 09:45 am | 2.0 | 54.68 | 51.76 | 34.00 | 77.80 | 6.70 | - | 2 | 7.90 | - |
| 2026-06-01 09:30 am | 1.6 | 55.58 | 51.67 | 33.90 | 77.10 | 6.60 | - | 2 | 7.90 | - |
| 2026-06-01 09:15 am | 1.6 | 57.38 | 51.56 | 33.90 | 79.70 | 6.60 | - | 2 | 7.90 | - |
| 2026-06-01 09:00 am | 1.3 | 60.44 | 51.39 | 33.80 | 80.60 | 6.50 | - | 2 | 8.00 | - |
| 2026-06-01 08:45 am | 1.0 | 62.78 | 51.33 | 33.80 | 79.10 | 6.20 | - | 3 | 8.00 | - |
| 2026-06-01 08:30 am | 0.7 | 62.96 | 51.35 | 33.80 | 77.20 | 6.10 | - | 3 | 8.00 | - |
| 2026-06-01 08:15 am | 0.7 | 63.14 | 51.36 | 33.80 | 76.80 | 6.00 | - | 3 | 8.00 | - |
| 2026-06-01 08:00 am | 0.3 | 63.32 | 51.40 | 33.80 | 77.60 | 6.10 | - | 3 | 8.00 | - |
| 2026-06-01 07:45 am | 0.3 | 63.32 | 51.44 | 33.90 | 77.40 | 6.10 | - | 3 | 8.00 | - |
| 2026-06-01 07:30 am | 0.3 | 63.32 | 51.49 | 33.90 | 77.80 | 6.10 | - | 3 | 8.00 | - |
| 2026-06-01 05:15 am | 0.3 | 62.60 | 51.40 | 33.80 | 83.10 | 6.60 | - | 3 | 8.00 | - |
| 2026-06-01 05:00 am | 0.3 | 62.42 | 51.40 | 33.80 | 84.50 | 6.70 | - | 4 | 8.00 | - |
| 2026-06-01 04:45 am | 0.7 | 62.06 | 51.37 | 33.80 | 85.90 | 6.80 | - | 4 | 8.00 | - |
| 2026-06-01 04:30 am | 0.7 | 61.70 | 51.34 | 33.80 | 87.40 | 7.00 | - | 4 | 8.00 | - |
| 2026-06-01 04:15 am | 1.0 | 61.34 | 51.32 | 33.80 | 88.90 | 7.10 | - | 4 | 8.00 | - |
| 2026-06-01 04:00 am | 1.3 | 60.80 | 51.30 | 33.70 | 90.40 | 7.30 | - | 4 | 8.00 | - |
| 2026-06-01 03:45 am | 1.6 | 60.44 | 51.31 | 33.70 | 92.00 | 7.40 | - | 4 | 8.00 | - |
| 2026-06-01 03:30 am | 2.0 | 59.90 | 51.29 | 33.70 | 93.50 | 7.60 | - | 4 | 8.00 | - |
| 2026-06-01 03:15 am | 2.3 | 59.36 | 51.31 | 33.70 | 94.60 | 7.70 | - | 4 | 8.00 | - |
| 2026-06-01 03:00 am | 2.6 | 59.00 | 51.32 | 33.70 | 95.50 | 7.80 | - | 4 | 8.00 | - |
| 2026-06-01 02:45 am | 3.0 | 58.82 | 51.34 | 33.70 | 96.50 | 7.90 | - | 4 | 8.00 | - |
| 2026-06-01 02:30 am | 3.3 | 58.64 | 51.40 | 33.80 | 96.80 | 8.00 | - | 4 | 8.00 | - |
| 2026-06-01 02:15 am | 3.6 | 58.64 | 51.45 | 33.80 | 97.50 | 8.00 | - | 3 | 8.00 | - |
| 2026-06-01 02:00 am | 3.9 | 58.46 | 51.49 | 33.80 | 98.40 | 8.10 | - | 3 | 8.00 | - |
| 2026-06-01 01:45 am | 4.3 | 58.46 | 51.51 | 33.90 | 99.70 | 8.20 | - | 3 | 8.00 | - |
| 2026-06-01 01:30 am | 4.6 | 58.46 | 51.55 | 33.90 | 100.60 | 8.30 | - | 3 | 8.00 | - |
| 2026-06-01 01:15 am | 4.9 | 58.46 | 51.56 | 33.90 | 101.10 | 8.30 | - | 2 | 8.00 | - |
| 2026-06-01 01:00 am | 4.9 | 58.46 | 51.57 | 33.90 | 101.10 | 8.30 | - | 2 | 8.00 | - |
| 2026-06-01 12:45 am | 5.2 | 58.46 | 51.57 | 33.90 | 100.50 | 8.30 | - | 2 | 8.00 | - |
| 2026-06-01 12:30 am | 5.6 | 58.46 | 51.56 | 33.90 | 100.70 | 8.30 | - | 2 | 8.00 | - |
| 2026-06-01 12:15 am | 5.6 | 58.46 | 51.56 | 33.90 | 100.90 | 8.30 | - | 2 | 8.00 | - |
| 2026-06-01 12:00 am | 5.9 | 58.46 | 51.55 | 33.90 | 100.00 | 8.20 | - | 2 | 8.00 | - |
| 2026-05-31 11:45 pm | 5.9 | 58.46 | 51.56 | 33.90 | 100.50 | 8.30 | - | 2 | 8.00 | - |
| 2026-05-31 11:30 pm | 6.2 | 58.46 | 51.57 | 33.90 | 100.00 | 8.20 | - | 1 | 8.00 | - |
| 2026-05-31 11:15 pm | 6.2 | 58.46 | 51.58 | 33.90 | 100.00 | 8.20 | - | 2 | 8.00 | - |
| 2026-05-31 11:00 pm | 6.2 | 58.46 | 51.57 | 33.90 | 101.00 | 8.30 | - | 1 | 8.00 | - |
| 2026-05-31 10:45 pm | 6.2 | 58.46 | 51.58 | 33.90 | 102.80 | 8.50 | - | 1 | 8.00 | - |
| 2026-05-31 10:30 pm | 6.2 | 58.64 | 51.57 | 33.90 | 101.90 | 8.40 | - | 1 | 8.00 | - |
| 2026-05-31 10:15 pm | 6.2 | 58.64 | 51.57 | 33.90 | 102.30 | 8.40 | - | 1 | 8.00 | - |
| 2026-05-31 10:00 pm | 5.9 | 58.64 | 51.57 | 33.90 | 104.20 | 8.60 | - | 1 | 8.00 | - |
| 2026-05-31 09:45 pm | 5.9 | 58.64 | 51.57 | 33.90 | 105.00 | 8.60 | - | 1 | 8.00 | - |
| 2026-05-31 09:30 pm | 5.9 | 58.64 | 51.57 | 33.90 | 103.70 | 8.50 | - | 1 | 8.00 | - |
| 2026-05-31 09:15 pm | 5.6 | 58.64 | 51.57 | 33.90 | 104.50 | 8.60 | - | 1 | 8.00 | - |
| 2026-05-31 09:00 pm | 5.6 | 58.64 | 51.57 | 33.90 | 104.90 | 8.60 | - | 1 | 8.00 | - |
| 2026-05-31 08:45 pm | 5.2 | 58.64 | 51.56 | 33.90 | 105.60 | 8.70 | - | 1 | 8.00 | - |
| 2026-05-31 08:30 pm | 5.2 | 58.82 | 51.53 | 33.90 | 106.60 | 8.80 | - | 1 | 8.00 | - |
| 2026-05-31 08:15 pm | 5.2 | 58.82 | 51.49 | 33.90 | 107.30 | 8.80 | - | 1 | 8.10 | - |
| 2026-05-31 08:00 pm | 4.9 | 58.82 | 51.44 | 33.80 | 107.40 | 8.80 | - | 1 | 8.10 | - |
| 2026-05-31 07:45 pm | 4.6 | 58.82 | 51.40 | 33.80 | 108.00 | 8.90 | - | 2 | 8.10 | - |
| 2026-05-31 07:30 pm | 4.6 | 58.82 | 51.34 | 33.70 | 107.40 | 8.80 | - | 2 | 8.00 | - |
| 2026-05-31 07:15 pm | 4.6 | 58.64 | 51.33 | 33.70 | 108.40 | 8.90 | - | 1 | 8.00 | - |
| 2026-05-31 07:00 pm | 4.3 | 57.92 | 51.31 | 33.70 | 107.00 | 8.90 | - | 1 | 8.00 | - |
| 2026-05-31 06:45 pm | 3.9 | 57.38 | 51.35 | 33.70 | 103.90 | 8.70 | - | 3 | 8.00 | - |
| 2026-05-31 06:30 pm | 3.9 | 57.38 | 51.31 | 33.70 | 104.60 | 8.70 | - | 1 | 8.00 | - |
| 2026-05-31 06:15 pm | 3.9 | 57.74 | 51.30 | 33.70 | 111.20 | 9.20 | - | 1 | 8.10 | - |
| 2026-05-31 06:00 pm | 3.6 | 57.74 | 51.31 | 33.70 | 110.20 | 9.20 | - | 1 | 8.10 | - |
| 2026-05-31 05:45 pm | 3.6 | 57.74 | 51.32 | 33.70 | 109.50 | 9.10 | - | 1 | 8.10 | - |
| 2026-05-31 05:30 pm | 3.6 | 57.74 | 51.34 | 33.70 | 107.00 | 8.90 | - | 1 | 8.10 | - |
| 2026-05-31 05:15 pm | 3.6 | 57.92 | 51.32 | 33.70 | 107.80 | 9.00 | - | 2 | 8.10 | - |
| 2026-05-31 05:00 pm | 3.6 | 57.56 | 51.35 | 33.70 | 106.60 | 8.90 | - | 1 | 8.00 | - |
Historical data for station EVMC1 are available at the NERRS website.
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