Observations from 2001 to the present can be downloaded here. Please report any bugs or faults to (a value of -999 denotes missing data, which is only a fault if it persists for several minutes to hours).
Known issues: - A new temperature/humidity sensor was installed on Dec 15 2016 and is currently using the factory calibration.
- Calibrations are applied to the live values but not to any max/min plot.
Earth Observation Data Group, Department of Physics, University of Oxford.