This table shows the variables reported from the various IEM networks. As you can see, no network reports everything, but the combination of all of these networks collects everything. This is the motivation behind the IEM.
| Variable: | IEM Network: | |||||||||
| ASOS | AWOS | CoCoRaHS | COOP | DCP | ISU Soil Moisture | NLAE Flux | RWIS | SCAN | SchoolNet | |
| Air Temperature | X | X | X | Some | X | X | X | X | X | |
|---|---|---|---|---|---|---|---|---|---|---|
| Humidity | X | X | Some | X | X | X | X | X | ||
| Wind Speed/Direction | X | X | Some | X | X | X | X | X | ||
| Air Pressure | X | X | X | X | X | |||||
| Precipitation | X | X | X | X | Some | X | X | Some | X | X |
| Solar Radiation | X | X | X | X | ||||||
| Visibility | X | X | ||||||||
| Clouds Heights/Coverage | X | X | ||||||||
| Soil Temperature | X | X | ||||||||
| Soil Moisture | X | X | ||||||||
| Snowfall/Snow Depth | X | X | ||||||||
| River Stage | Some | |||||||||
Legend: