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): | 4.9 ft |
 Ocean Temperature (OTMP): | 55.94 °F |
| Conductivity (COND): | 49.66 mS/cm |
| Salinity (SAL): | 32.50 psu |
| Oxygen Saturation (O2PCT): | 107.0% |
| Oxygen Concentration (O2PPM): | 9.10 ppm |
| Turbidity (TURB): | 7 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-17 11:45 pm | 4.9 | 55.58 | 49.11 | 32.10 | 105.80 | 9.10 | - | 7 | 8.10 | - |
| 2026-02-17 11:30 pm | 4.9 | 56.12 | 49.84 | 32.60 | 106.90 | 9.10 | - | 4 | 8.10 | - |
| 2026-02-17 11:15 pm | 5.2 | 56.12 | 49.81 | 32.60 | 106.30 | 9.10 | - | 3 | 8.10 | - |
| 2026-02-17 11:00 pm | 4.9 | 56.12 | 49.84 | 32.60 | 106.30 | 9.10 | - | 3 | 8.10 | - |
| 2026-02-17 10:45 pm | 4.9 | 56.12 | 49.69 | 32.50 | 106.60 | 9.10 | - | 5 | 8.10 | - |
| 2026-02-17 10:30 pm | 4.9 | 56.12 | 49.72 | 32.50 | 106.90 | 9.10 | - | 5 | 8.10 | - |
| 2026-02-17 10:15 pm | 4.6 | 56.12 | 49.69 | 32.50 | 106.10 | 9.10 | - | 7 | 8.10 | - |
| 2026-02-17 10:00 pm | 4.6 | 56.12 | 49.70 | 32.50 | 107.00 | 9.10 | - | 6 | 8.10 | - |
| 2026-02-17 09:45 pm | 4.3 | 56.12 | 49.70 | 32.50 | 106.60 | 9.10 | - | 10 | 8.10 | - |
| 2026-02-17 09:30 pm | 4.3 | 56.12 | 49.73 | 32.50 | 107.30 | 9.20 | - | 6 | 8.10 | - |
| 2026-02-17 09:15 pm | 3.9 | 56.12 | 49.73 | 32.50 | 107.20 | 9.10 | - | 6 | 8.10 | - |
| 2026-02-17 09:00 pm | 3.6 | 56.12 | 49.63 | 32.50 | 107.10 | 9.10 | - | 8 | 8.10 | - |
| 2026-02-17 08:45 pm | 3.6 | 56.12 | 49.53 | 32.40 | 106.20 | 9.10 | - | 8 | 8.10 | - |
| 2026-02-17 08:30 pm | 3.3 | 56.12 | 49.61 | 32.40 | 106.90 | 9.10 | - | 11 | 8.10 | - |
| 2026-02-17 08:15 pm | 3.0 | 56.12 | 49.56 | 32.40 | 106.40 | 9.10 | - | 10 | 8.10 | - |
| 2026-02-17 08:00 pm | 2.6 | 56.12 | 49.43 | 32.30 | 106.00 | 9.10 | - | 16 | 8.10 | - |
| 2026-02-17 07:45 pm | 2.6 | 56.12 | 49.18 | 32.10 | 106.20 | 9.10 | - | 26 | 8.10 | - |
| 2026-02-17 07:30 pm | 2.3 | 55.58 | 48.05 | 31.30 | 103.10 | 8.90 | - | 26 | 8.00 | - |
| 2026-02-17 07:15 pm | 2.0 | 54.86 | 47.10 | 30.60 | 97.80 | 8.60 | - | 49 | 8.00 | - |
| 2026-02-17 07:00 pm | 1.6 | 54.14 | 46.19 | 29.90 | 94.10 | 8.40 | - | 11 | 8.00 | - |
| 2026-02-17 06:45 pm | 1.6 | 53.96 | 45.84 | 29.70 | 93.60 | 8.30 | - | 8 | 8.00 | - |
| 2026-02-17 06:30 pm | 1.3 | 53.96 | 45.78 | 29.60 | 93.30 | 8.30 | - | 7 | 8.00 | - |
| 2026-02-17 06:15 pm | 1.0 | 53.96 | 45.76 | 29.60 | 93.30 | 8.30 | - | 4 | 8.00 | - |
| 2026-02-17 06:00 pm | 0.7 | 53.78 | 45.75 | 29.60 | 92.80 | 8.30 | - | 7 | 8.00 | - |
| 2026-02-17 05:45 pm | 0.7 | 53.96 | 45.74 | 29.60 | 94.50 | 8.40 | - | 8 | 8.00 | - |
| 2026-02-17 05:30 pm | 0.7 | 53.78 | 45.73 | 29.60 | 94.20 | 8.40 | - | 4 | 8.00 | - |
| 2026-02-17 05:15 pm | 0.3 | 53.96 | 45.68 | 29.50 | 94.00 | 8.40 | - | 5 | 8.00 | - |
| 2026-02-17 05:00 pm | 0.3 | 53.96 | 45.67 | 29.50 | 94.10 | 8.40 | - | 4 | 8.00 | - |
| 2026-02-17 04:45 pm | 0.3 | 53.96 | 45.81 | 29.60 | 94.70 | 8.40 | - | 5 | 8.00 | - |
| 2026-02-17 04:30 pm | 0.3 | 53.96 | 45.87 | 29.70 | 95.40 | 8.50 | - | 7 | 8.00 | - |
| 2026-02-17 04:15 pm | 0.7 | 54.14 | 45.92 | 29.70 | 95.50 | 8.50 | - | 6 | 8.00 | - |
| 2026-02-17 04:00 pm | 0.7 | 54.14 | 46.04 | 29.80 | 95.90 | 8.50 | - | 9 | 8.00 | - |
| 2026-02-17 03:45 pm | 0.7 | 54.14 | 46.13 | 29.90 | 96.50 | 8.60 | - | 9 | 8.00 | - |
| 2026-02-17 03:30 pm | 1.0 | 54.14 | 46.18 | 29.90 | 96.80 | 8.60 | - | 9 | 8.00 | - |
| 2026-02-17 03:15 pm | 1.3 | 54.32 | 46.31 | 30.00 | 97.20 | 8.60 | - | 11 | 8.00 | - |
| 2026-02-17 03:00 pm | 1.6 | 54.50 | 46.49 | 30.10 | 97.70 | 8.60 | - | 13 | 8.00 | - |
| 2026-02-17 02:45 pm | 1.6 | 54.68 | 46.62 | 30.20 | 98.20 | 8.70 | - | 12 | 8.00 | - |
| 2026-02-17 02:30 pm | 2.3 | 54.68 | 46.75 | 30.30 | 98.40 | 8.70 | - | 13 | 8.00 | - |
| 2026-02-17 02:15 pm | 2.6 | 55.04 | 46.96 | 30.50 | 98.90 | 8.70 | - | 12 | 8.00 | - |
| 2026-02-17 02:00 pm | 2.6 | 55.22 | 47.22 | 30.70 | 99.70 | 8.70 | - | 11 | 8.00 | - |
| 2026-02-17 01:45 pm | 3.3 | 55.40 | 47.56 | 30.90 | 101.10 | 8.80 | - | 10 | 8.00 | - |
| 2026-02-17 01:30 pm | 3.3 | 55.58 | 47.97 | 31.20 | 102.30 | 8.90 | - | 9 | 8.00 | - |
| 2026-02-17 01:15 pm | 3.6 | 55.76 | 48.20 | 31.40 | 102.80 | 8.90 | - | 9 | 8.00 | - |
| 2026-02-17 01:00 pm | 4.3 | 55.94 | 48.58 | 31.70 | 103.00 | 8.90 | - | 8 | 8.00 | - |
| 2026-02-17 12:45 pm | 4.3 | 56.12 | 48.91 | 31.90 | 103.00 | 8.80 | - | 7 | 8.00 | - |
| 2026-02-17 12:30 pm | 4.9 | 56.30 | 49.26 | 32.20 | 103.20 | 8.80 | - | 6 | 8.10 | - |
| 2026-02-17 12:15 pm | 4.9 | 56.30 | 49.47 | 32.30 | 103.20 | 8.80 | - | 5 | 8.10 | - |
| 2026-02-17 12:00 pm | 5.2 | 56.48 | 49.61 | 32.40 | 103.40 | 8.80 | - | 4 | 8.00 | - |
| 2026-02-17 11:45 am | 5.6 | 56.48 | 49.65 | 32.50 | 103.50 | 8.80 | - | 4 | 8.00 | - |
| 2026-02-17 11:30 am | 5.6 | 56.48 | 49.67 | 32.50 | 103.50 | 8.80 | - | 3 | 8.00 | - |
| 2026-02-17 11:15 am | 5.9 | 56.48 | 49.72 | 32.50 | 101.00 | 8.60 | - | 3 | 8.10 | - |
| 2026-02-17 11:00 am | 5.9 | 56.48 | 49.81 | 32.60 | 91.00 | 7.70 | - | 3 | 8.10 | - |
| 2026-02-17 10:45 am | 6.2 | 56.48 | 49.96 | 32.70 | 100.00 | 8.50 | - | 16 | 8.10 | - |
| 2026-02-17 10:30 am | 6.2 | 56.48 | 49.95 | 32.70 | 99.80 | 8.50 | - | 3 | 8.10 | - |
| 2026-02-17 10:15 am | 6.2 | 56.48 | 50.12 | 32.80 | 99.30 | 8.40 | - | 2 | 8.10 | - |
| 2026-02-17 10:00 am | 6.2 | 56.66 | 50.27 | 32.90 | 99.70 | 8.40 | - | 1 | 8.10 | - |
| 2026-02-17 09:45 am | 6.2 | 56.48 | 50.05 | 32.80 | 100.00 | 8.50 | - | 2 | 8.10 | - |
| 2026-02-17 09:30 am | 6.2 | 56.48 | 50.00 | 32.70 | 99.80 | 8.50 | - | 2 | 8.10 | - |
| 2026-02-17 09:15 am | 5.9 | 56.48 | 50.17 | 32.90 | 101.20 | 8.60 | - | 3 | 8.10 | - |
| 2026-02-17 09:00 am | 5.9 | 56.48 | 49.84 | 32.60 | 100.90 | 8.60 | - | 3 | 8.10 | - |
| 2026-02-17 08:45 am | 5.9 | 56.48 | 49.85 | 32.60 | 99.50 | 8.50 | - | 2 | 8.10 | - |
| 2026-02-17 08:30 am | 5.6 | 56.48 | 50.02 | 32.70 | 100.30 | 8.50 | - | 2 | 8.10 | - |
| 2026-02-17 08:15 am | 5.6 | 56.48 | 50.01 | 32.70 | 100.90 | 8.60 | - | 2 | 8.10 | - |
| 2026-02-17 08:00 am | 5.2 | 56.48 | 49.81 | 32.60 | 101.00 | 8.60 | - | 2 | 8.10 | - |
| 2026-02-17 07:45 am | 5.2 | 56.48 | 49.81 | 32.60 | 100.90 | 8.60 | - | 3 | 8.10 | - |
| 2026-02-17 07:30 am | 4.9 | 56.30 | 49.65 | 32.50 | 100.30 | 8.50 | - | 2 | 8.10 | - |
| 2026-02-17 07:15 am | 4.6 | 56.48 | 49.81 | 32.60 | 98.70 | 8.40 | - | 3 | 8.10 | - |
| 2026-02-17 07:00 am | 4.6 | 56.48 | 49.89 | 32.60 | 100.50 | 8.50 | - | 4 | 8.10 | - |
| 2026-02-17 06:45 am | 4.3 | 56.48 | 49.89 | 32.60 | 101.20 | 8.60 | - | 2 | 8.10 | - |
| 2026-02-17 06:30 am | 3.9 | 56.48 | 49.77 | 32.60 | 101.50 | 8.60 | - | 4 | 8.10 | - |
| 2026-02-17 06:15 am | 3.9 | 56.30 | 49.67 | 32.50 | 101.00 | 8.60 | - | 3 | 8.10 | - |
| 2026-02-17 06:00 am | 3.6 | 56.30 | 49.34 | 32.20 | 100.00 | 8.50 | - | 5 | 8.10 | - |
| 2026-02-17 05:45 am | 3.6 | 56.12 | 48.77 | 31.80 | 93.80 | 8.00 | - | 9 | 8.00 | - |
| 2026-02-17 05:30 am | 3.6 | 55.94 | 48.27 | 31.50 | 91.90 | 7.90 | - | 6 | 8.00 | - |
| 2026-02-17 05:15 am | 3.3 | 55.94 | 48.35 | 31.50 | 90.90 | 7.80 | - | 2 | 8.00 | - |
| 2026-02-17 05:00 am | 3.3 | 55.94 | 48.38 | 31.50 | 91.40 | 7.90 | - | 4 | 8.00 | - |
| 2026-02-17 04:45 am | 3.0 | 56.12 | 48.51 | 31.60 | 90.90 | 7.80 | - | 2 | 8.00 | - |
| 2026-02-17 04:30 am | 3.0 | 55.94 | 48.32 | 31.50 | 93.00 | 8.00 | - | 3 | 8.00 | - |
| 2026-02-17 04:15 am | 3.0 | 55.94 | 48.44 | 31.60 | 91.50 | 7.90 | - | 1 | 8.00 | - |
| 2026-02-17 04:00 am | 3.0 | 55.94 | 48.29 | 31.50 | 91.60 | 7.90 | - | 2 | 8.00 | - |
| 2026-02-17 03:45 am | 3.0 | 55.94 | 48.37 | 31.50 | 91.70 | 7.90 | - | 2 | 8.00 | - |
| 2026-02-17 03:30 am | 3.0 | 55.76 | 48.26 | 31.40 | 91.70 | 7.90 | - | 2 | 8.00 | - |
| 2026-02-17 03:15 am | 3.0 | 55.58 | 48.09 | 31.30 | 92.50 | 8.00 | - | 2 | 8.00 | - |
| 2026-02-17 03:00 am | 3.0 | 55.58 | 48.09 | 31.30 | 93.20 | 8.10 | - | 2 | 8.00 | - |
| 2026-02-17 02:45 am | 3.3 | 55.58 | 48.19 | 31.40 | 93.40 | 8.10 | - | 5 | 8.00 | - |
| 2026-02-17 02:30 am | 3.3 | 55.58 | 48.30 | 31.50 | 94.10 | 8.10 | - | 4 | 8.00 | - |
| 2026-02-17 02:15 am | 3.3 | 55.76 | 48.54 | 31.70 | 95.10 | 8.20 | - | 3 | 8.00 | - |
| 2026-02-17 02:00 am | 3.6 | 55.76 | 48.84 | 31.90 | 95.10 | 8.20 | - | 4 | 8.00 | - |
| 2026-02-17 01:45 am | 3.6 | 55.76 | 48.86 | 31.90 | 95.50 | 8.20 | - | 4 | 8.00 | - |
| 2026-02-17 01:30 am | 3.6 | 55.94 | 48.90 | 31.90 | 96.40 | 8.30 | - | 4 | 8.00 | - |
| 2026-02-17 01:15 am | 3.9 | 55.94 | 49.04 | 32.00 | 96.30 | 8.30 | - | 4 | 8.00 | - |
| 2026-02-17 01:00 am | 3.9 | 55.94 | 49.14 | 32.10 | 96.70 | 8.30 | - | 5 | 8.00 | - |
| 2026-02-17 12:45 am | 4.3 | 56.12 | 49.45 | 32.30 | 97.60 | 8.30 | - | 5 | 8.10 | - |
| 2026-02-17 12:30 am | 4.3 | 56.48 | 49.82 | 32.60 | 98.90 | 8.40 | - | 2 | 8.10 | - |
| 2026-02-17 12:15 am | 4.3 | 56.48 | 49.91 | 32.70 | 99.30 | 8.40 | - | 4 | 8.10 | - |
| 2026-02-17 12:00 am | 4.6 | 56.48 | 49.86 | 32.60 | 98.60 | 8.40 | - | 4 | 8.10 | - |
Historical data for station EVMC1 are available at the NERRS website.
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