Observed variables and their units, media, and value types.
| VariableID | VariableCode | VariableName | Speciation | VariableUnitsID | SampleMedium | ValueType | IsRegular | TimeSupport | TimeUnitsID | DataType | GeneralCategory | NoDataValue |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 489 | HRECOSDO | Oxygen, dissolved | Not Applicable | parts per million | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 490 | HRECOSDOPC | Oxygen, dissolved percent of saturation | Not Applicable | percent | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 491 | HRECOSELEV | Gage height | Not Applicable | meter | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 492 | HRECOSGST | Wind gust speed | Not Applicable | meters per second | Air | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 493 | HRECOSRAIN | Precipitation | Not Applicable | millimeter | Precipitation | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 494 | HRECOSRAINDC | Precipitation | Not Applicable | millimeter | Precipitation | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 495 | HRECOSPAR | Radiation, incoming PAR | Not Applicable | millimoles of photons per square meter | Air | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 496 | HRECOSRHUM | Relative Humidity | Not Applicable | percent | Air | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 497 | HRECOSPH | pH | Not Applicable | pH Unit | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 498 | HRECOSDEPTH | Water depth | Not Applicable | meter | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 499 | HRECOSSALT | Salinity | Not Applicable | practical salinity units | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 500 | HRECOSSTMP | Temperature | Not Applicable | degree celsius | Soil | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 501 | HRECOSSPCO | Electrical conductivity | Not Applicable | millisiemens per centimeter | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 502 | HRECOSTURB | Turbidity | Not Applicable | nephelometric turbidity units | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 503 | HRECOSTURBF | Turbidity | Not Applicable | formazin nephelometric unit | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 504 | HRECOSWD | Wind direction | Not Applicable | degree | Air | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 505 | HRECOSWSPD | Wind speed | Not Applicable | meters per second | Air | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 506 | HRECOSWTMP | Temperature | Not Applicable | degree celsius | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | 0 |
| 507 | ratio | Oxygen, dissolved | Not Applicable | count | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |
| 508 | counts | Oxygen, dissolved | Not Applicable | count | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |
| 538 | VODOvoltage | Oxygen, dissolved | Not Applicable | volts | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |
| 1,269 | sondetemp | Sonde Internal Temperature | Not Applicable | degree celsius | Not Relevant | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |
| 1,270 | sondehumidity | Sonde Internal Humidity | Not Applicable | percent | Not Relevant | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |
| 1,608 | attenuation | Attenuation (Optical Density) | Not Applicable | dimensionless | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |
| 1,609 | transmittance | Transmittance | Not Applicable | dimensionless | Surface Water | Field Observation | 1 | 0 | second | Continuous | Instrumentation | -999 |