Canberra Airport – rejected by Jones et al 1986 – pardoned in the 1990’s – now corrected (again) by UKMO

While experimenting with BoM raw Canberra Airport data I was surprised to find the UKMO have corrected the data here and there. It is noteworthy that Jones et al 1986 rejected Canberra (WMO 949260) with an 80 code which translates as “Non-homogenous and uncorrectable” – after comparing it with Sydney.

Canberra was “pardoned” and included in Jones 1994 station data – but oddly it never made the cut for the 1226 station 1996 update, which is confined to stations still reporting.
Canberra T trends

For larger graphic.

In the newly discovered Jones 1999 station data CANBERRA-AIRP 949260 is included again, with different “corrections” – all undocumented now of course and secret until ClimateGate.

Then the UKMO version just released under pressure of ClimateGate has a different set of “corrections” again and of course their reasons for the corrections are so far – secret.

The trends in degrees C per decade vary as follows: UKMO09 0.1, BoM 0.13, Jones94 1951-80 0.1, Jones99 0.057

2 comments to Canberra Airport – rejected by Jones et al 1986 – pardoned in the 1990’s – now corrected (again) by UKMO

  • Bernd Felsche

    Maybe somebody can help you with the historic amount of air traffic, tramac area and the new building complexes around the airport; as well as the exact location of the measuring equipment. I haven’t been able to find it on (free) satellite images.

  • An all too familiar tale! BTW, Clem Davies of the Fenner School has done a similar comparison of Canberra Airport with Tuggeranong, I’ll mail it to Warwick.