Tag Archives: v2.inv

GHCN and Gistemp Data Quality

Post to be completed when the post Self-adjusting the Adjustments is complete. Posted now as placeholder to allow linkage from previous post. Location metadata   Temperature data

Posted in Uncategorized | Tagged , , , , , , , | 1 Comment

Urban corrections in Gistemp (and GHCN-M), “then and now”

Further content coming soon. This placeholder post published now to allow a link to the coming post to be included in an online comment. Hansen et al. 1999 (Hansen, J., R. Ruedy, J. Glascoe, and M. Sato, 1999: GISS analysis … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 2 Comments

Cooling The Past In Siberia – some supplementary information – the discussion

As completion of this post was long delayed, I’m posting the discussion part separately here as an ‘aside’ post so that it will show up as a new post for anyone who has given up waiting. The most striking aspect … Continue reading

Aside | Posted on by | Tagged , , , , , | Leave a comment

A few more GHCN problems

GHCN monthly data (v2 or v3) may not always be quite what it seems. Consider Nitchequon (Canada: 40371826000), looking here at the five individual time series in GHCN v2: Some missing years – but where’s the problem?

Posted in Uncategorized | Tagged , , , , | 3 Comments

GISTEMP change to use GHCN v3

The initial GISTEMP steps are described in gistemp.txt in the new GISTEMP (v3) source:

Posted in Uncategorized | Tagged , , , , | Leave a comment

GHCN v3 station location metadata – a “report card”

Just over two years ago, when notifying NASA Goddard (GISTEMP) of errors in station coordinates in their v2.inv file, derived from the corresponding GHCN file, I also contacted Russell Vose at NOAA directly, rather than assuming he would be contacted … Continue reading

Posted in Uncategorized | Tagged , , , | 2 Comments

Are you acquainted with any of these GHCN stations?

The quality of GHCN metadata, in particular the latitude and longitude coordinates of stations, remains unsatisfactory. In fact the transition from v2 to v3 might suggest that renaming might be in order – judging by the nature of the metadata … Continue reading

Posted in Uncategorized | Tagged , , | 15 Comments