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): | 4.6 ft |
 Ocean Temperature (OTMP): | 56.84 °F |
| Conductivity (COND): | 49.48 mS/cm |
| Salinity (SAL): | 32.40 psu |
| Oxygen Saturation (O2PCT): | 104.4% |
| Oxygen Concentration (O2PPM): | 8.90 ppm |
| Turbidity (TURB): | 1 FTU |
| pH (PH): | 8.10 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-13 02:45 am | 4.6 | 56.84 | 49.46 | 32.30 | 104.50 | 8.90 | - | 2 | 8.10 | - |
| 2026-01-13 02:30 am | 4.3 | 56.84 | 49.47 | 32.30 | 103.70 | 8.80 | - | 2 | 8.00 | - |
| 2026-01-13 02:15 am | 4.3 | 56.84 | 49.48 | 32.40 | 103.30 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-13 02:00 am | 4.3 | 57.02 | 49.49 | 32.40 | 103.30 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-13 01:45 am | 3.9 | 57.02 | 49.56 | 32.40 | 101.20 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-13 01:30 am | 3.6 | 57.02 | 49.55 | 32.40 | 100.70 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-13 01:15 am | 3.6 | 57.02 | 49.59 | 32.40 | 99.60 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-13 01:00 am | 3.6 | 57.02 | 49.59 | 32.40 | 100.70 | 8.50 | - | 1 | 8.00 | - |
| 2026-01-13 12:45 am | 3.6 | 56.84 | 49.41 | 32.30 | 100.50 | 8.50 | - | 1 | 8.00 | - |
| 2026-01-13 12:30 am | 3.3 | 56.84 | 49.42 | 32.30 | 99.90 | 8.50 | - | 1 | 8.00 | - |
| 2026-01-13 12:15 am | 3.3 | 55.94 | 48.24 | 31.40 | 97.90 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-13 12:00 am | 3.3 | 55.76 | 47.96 | 31.20 | 98.40 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-12 11:45 pm | 3.3 | 55.76 | 47.99 | 31.30 | 98.10 | 8.50 | - | 1 | 8.00 | - |
| 2026-01-12 11:30 pm | 3.3 | 55.58 | 47.65 | 31.00 | 98.20 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-12 11:15 pm | 3.3 | 55.58 | 47.72 | 31.10 | 98.60 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-12 11:00 pm | 3.3 | 55.58 | 47.83 | 31.10 | 99.60 | 8.60 | - | 2 | 8.00 | - |
| 2026-01-12 10:45 pm | 3.3 | 55.94 | 47.85 | 31.20 | 99.30 | 8.60 | - | 2 | 8.00 | - |
| 2026-01-12 10:30 pm | 3.3 | 56.66 | 48.75 | 31.80 | 101.40 | 8.60 | - | 2 | 8.00 | - |
| 2026-01-12 10:15 pm | 3.3 | 57.02 | 49.37 | 32.30 | 102.50 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 10:00 pm | 3.3 | 57.02 | 49.55 | 32.40 | 103.30 | 8.70 | - | 1 | 8.10 | - |
| 2026-01-12 09:45 pm | 3.3 | 57.02 | 49.55 | 32.40 | 101.50 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 09:30 pm | 3.3 | 57.02 | 49.51 | 32.40 | 101.50 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 09:15 pm | 3.3 | 57.02 | 49.43 | 32.30 | 103.20 | 8.70 | - | 1 | 8.10 | - |
| 2026-01-12 09:00 pm | 3.3 | 57.02 | 49.53 | 32.40 | 103.80 | 8.80 | - | 1 | 8.10 | - |
| 2026-01-12 08:45 pm | 3.3 | 57.02 | 49.54 | 32.40 | 104.40 | 8.80 | - | 1 | 8.10 | - |
| 2026-01-12 08:30 pm | 3.3 | 57.02 | 49.54 | 32.40 | 103.20 | 8.70 | - | 1 | 8.10 | - |
| 2026-01-12 08:15 pm | 3.3 | 57.02 | 49.60 | 32.40 | 103.10 | 8.70 | - | 1 | 8.10 | - |
| 2026-01-12 08:00 pm | 3.3 | 57.02 | 49.59 | 32.40 | 102.80 | 8.70 | - | 1 | 8.10 | - |
| 2026-01-12 07:45 pm | 3.6 | 57.02 | 49.58 | 32.40 | 102.00 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 07:30 pm | 3.3 | 57.02 | 49.57 | 32.40 | 102.20 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 07:15 pm | 3.3 | 57.02 | 49.58 | 32.40 | 102.10 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 07:00 pm | 3.3 | 57.02 | 49.58 | 32.40 | 102.00 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 06:45 pm | 3.3 | 57.02 | 49.57 | 32.40 | 102.90 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 06:30 pm | 3.3 | 57.02 | 49.52 | 32.40 | 102.80 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 06:15 pm | 3.0 | 57.02 | 49.54 | 32.40 | 103.80 | 8.80 | - | 1 | 8.00 | - |
| 2026-01-12 06:00 pm | 3.0 | 57.02 | 49.53 | 32.40 | 103.30 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 05:45 pm | 3.0 | 56.84 | 49.50 | 32.40 | 102.20 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 05:30 pm | 2.6 | 56.84 | 49.49 | 32.40 | 103.20 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 05:15 pm | 2.6 | 56.84 | 49.42 | 32.30 | 102.50 | 8.70 | - | 1 | 8.00 | - |
| 2026-01-12 05:00 pm | 2.6 | 56.66 | 49.37 | 32.30 | 100.90 | 8.60 | - | 1 | 8.00 | - |
| 2026-01-12 04:45 pm | 2.6 | 56.66 | 49.30 | 32.20 | 97.80 | 8.30 | - | 1 | 8.00 | - |
| 2026-01-12 04:30 pm | 2.3 | 56.48 | 49.15 | 32.10 | 97.50 | 8.30 | - | 1 | 8.00 | - |
| 2026-01-12 04:15 pm | 2.3 | 55.94 | 48.84 | 31.90 | 94.20 | 8.10 | - | 2 | 8.00 | - |
| 2026-01-12 04:00 pm | 2.0 | 55.22 | 48.26 | 31.40 | 90.00 | 7.80 | - | 1 | 8.00 | - |
| 2026-01-12 03:45 pm | 2.0 | 54.86 | 47.84 | 31.10 | 88.50 | 7.70 | - | 1 | 8.00 | - |
| 2026-01-12 03:30 pm | 1.6 | 54.68 | 47.55 | 30.90 | 88.00 | 7.70 | - | 2 | 8.00 | - |
| 2026-01-12 03:15 pm | 1.6 | 54.68 | 47.50 | 30.90 | 88.60 | 7.80 | - | 2 | 8.00 | - |
| 2026-01-12 03:00 pm | 1.6 | 54.68 | 47.38 | 30.80 | 89.30 | 7.80 | - | 1 | 8.00 | - |
| 2026-01-12 02:45 pm | 1.3 | 54.50 | 47.34 | 30.80 | 89.20 | 7.80 | - | 2 | 8.00 | - |
| 2026-01-12 02:30 pm | 1.3 | 54.32 | 47.31 | 30.70 | 88.60 | 7.80 | - | 2 | 8.00 | - |
| 2026-01-12 02:15 pm | 1.3 | 54.14 | 47.18 | 30.60 | 86.80 | 7.70 | - | 2 | 8.00 | - |
| 2026-01-12 02:00 pm | 1.3 | 54.14 | 47.14 | 30.60 | 87.00 | 7.70 | - | 2 | 8.00 | - |
| 2026-01-12 01:45 pm | 1.3 | 54.14 | 47.22 | 30.70 | 87.40 | 7.70 | - | 2 | 8.00 | - |
| 2026-01-12 01:30 pm | 1.0 | 54.14 | 47.13 | 30.60 | 87.70 | 7.80 | - | 2 | 8.00 | - |
| 2026-01-12 01:15 pm | 1.3 | 54.14 | 47.28 | 30.70 | 86.10 | 7.60 | - | 2 | 8.00 | - |
| 2026-01-12 01:00 pm | 1.0 | 54.14 | 47.07 | 30.60 | 89.10 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-12 12:45 pm | 1.3 | 54.14 | 47.15 | 30.60 | 88.90 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-12 12:30 pm | 1.3 | 54.32 | 47.24 | 30.70 | 89.90 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-12 12:15 pm | 1.3 | 54.14 | 47.33 | 30.70 | 89.60 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-12 12:00 pm | 1.6 | 54.32 | 47.40 | 30.80 | 89.80 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-12 11:45 am | 1.6 | 54.32 | 47.50 | 30.90 | 90.50 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-12 11:30 am | 1.6 | 54.50 | 47.62 | 31.00 | 90.50 | 8.00 | - | 3 | 8.00 | - |
| 2026-01-12 11:15 am | 2.0 | 54.50 | 47.72 | 31.00 | 90.90 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-12 11:00 am | 2.0 | 54.68 | 47.85 | 31.10 | 91.30 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-12 10:45 am | 2.3 | 54.86 | 48.06 | 31.30 | 93.10 | 8.10 | - | 2 | 8.00 | - |
| 2026-01-12 10:30 am | 2.6 | 55.04 | 48.18 | 31.40 | 93.30 | 8.10 | - | 2 | 8.00 | - |
| 2026-01-12 10:15 am | 2.6 | 55.22 | 48.32 | 31.50 | 94.30 | 8.20 | - | 3 | 8.00 | - |
| 2026-01-12 10:00 am | 3.0 | 55.58 | 48.54 | 31.60 | 96.10 | 8.30 | - | 3 | 8.00 | - |
| 2026-01-12 09:45 am | 3.0 | 55.58 | 48.66 | 31.70 | 96.90 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-12 09:30 am | 3.3 | 55.76 | 48.84 | 31.90 | 97.30 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-12 09:15 am | 3.6 | 55.94 | 49.01 | 32.00 | 98.60 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-12 09:00 am | 3.6 | 56.12 | 49.03 | 32.00 | 98.30 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 08:45 am | 3.9 | 56.12 | 49.09 | 32.10 | 98.50 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-12 08:30 am | 4.3 | 56.12 | 49.16 | 32.10 | 98.50 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 08:15 am | 4.3 | 56.12 | 49.17 | 32.10 | 98.50 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 08:00 am | 4.6 | 56.30 | 49.24 | 32.20 | 98.90 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 07:45 am | 4.6 | 56.30 | 49.27 | 32.20 | 99.20 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-12 07:30 am | 4.9 | 56.30 | 49.30 | 32.20 | 99.00 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 07:15 am | 5.2 | 56.66 | 49.48 | 32.40 | 99.70 | 8.50 | - | 2 | 8.00 | - |
| 2026-01-12 07:00 am | 5.2 | 56.48 | 49.47 | 32.30 | 99.20 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 06:45 am | 5.2 | 56.48 | 49.42 | 32.30 | 98.30 | 8.40 | - | 2 | 8.00 | - |
| 2026-01-12 06:30 am | 5.2 | 56.48 | 49.39 | 32.30 | 97.40 | 8.30 | - | 3 | 8.00 | - |
| 2026-01-12 06:15 am | 5.6 | 56.66 | 49.44 | 32.30 | 98.00 | 8.30 | - | 2 | 8.00 | - |
| 2026-01-12 06:00 am | 5.6 | 56.66 | 49.50 | 32.40 | 98.50 | 8.40 | - | 1 | 8.00 | - |
| 2026-01-12 05:45 am | 5.6 | 56.84 | 49.53 | 32.40 | 99.70 | 8.50 | - | 1 | 8.00 | - |
| 2026-01-12 05:30 am | 5.6 | 56.84 | 49.54 | 32.40 | 99.50 | 8.40 | - | 1 | 8.00 | - |
| 2026-01-12 05:15 am | 5.6 | 57.02 | 49.57 | 32.40 | 100.80 | 8.50 | - | 1 | 8.10 | - |
| 2026-01-12 05:00 am | 5.6 | 57.02 | 49.56 | 32.40 | 100.50 | 8.50 | - | 1 | 8.10 | - |
| 2026-01-12 04:45 am | 5.6 | 57.02 | 49.54 | 32.40 | 101.40 | 8.60 | - | 1 | 8.10 | - |
| 2026-01-12 04:30 am | 5.6 | 57.02 | 49.55 | 32.40 | 100.10 | 8.50 | - | 1 | 8.10 | - |
| 2026-01-12 04:15 am | 5.2 | 57.02 | 49.52 | 32.40 | 101.40 | 8.60 | - | 1 | 8.10 | - |
| 2026-01-12 04:00 am | 5.2 | 57.02 | 49.45 | 32.30 | 101.40 | 8.60 | - | 1 | 8.10 | - |
Historical data for station EVMC1 are available at the NERRS website.
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