"Weather satellites have been available to infer sea surface temperature (SST) information since 1967, with the first global composites occurring during 1970.[9] Since 1982,[10] satellites have been increasingly utilized to measure SST and have allowed its spatial and temporal variation to be viewed more fully." https://en.wikipedia.org/wiki/Satellite_temperature_measurements Comparison of temperatures collected from satellites and ground monitoring stations: There is no nee