Precipitation Index (Daily Cumulative)
Measurement Instruments
Measurement Definition: Cumulative precipitation over a 24-hour period.
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| ABI | Operational | Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index. | n/a |  |
| AIRS | Operational | High spectral resolution measurement of temperature and humidity profiles in the atmosphere. Long-wave Earth surface emissivity. Cloud diagnostics. Trace gas profiles. Surface temperatures. | Medium-resolution IR spectrometer | |
| GXI | Being developed | Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index. | n/a | |