Recalibrated Data Sets

Enhancing Precision

Speedwell Recalibrated Data Sets are discontinuity-adjusted temperature time-series where historic observations are rebased to current observing conditions.

Such adjustments can make a material difference to the historical data set used for valuing risk transfer contracts are particularly relevant for heavily traded reference sites such as the HDD and CDD contracts listed on the CME.

Using proprietary software and a deep analysis of the metadata documenting the instrumentation, the historical data is adjusted for known or inferred discontinuities that have accumulated over the lifetime of the observations.

These adjustments may arise from instrumentation changes or changes to the location of the measuring instruments.

Recalibrated Data Sets are updated regularly to capture latest changes.

Atlanta International Airport - since 1950 both the location of the meteorological equipment and the type of thermometer has changed multiple times.

This graph shows the difference between Speedwell Recalibrated Data and Speedwell Cleaned Data for Las Vegas Mccarran Airport reference site showing the significant warming trend in minimum temperatures.

Data Precision at Your Fingertips

Speedwell Recalibrated Data sets are available for a standard pack of heavily traded sites.

Clients subscribe to the historical data and periodic updates provided semi-annually and have access to the LIve Weather Station Monitor showing the extent to which a temperature time series may be deviating from "normal" behaviour.

Speedwell is able to provide an on-request Recalibrated Data Set for most temperature data sets internationally, inlcluding...

  • Austria
  • Canada
  • Czech Republic
  • Denmark
  • France
  • Germany
  • Japan
  • Netherlands
  • Norway
  • Poland
  • Spain
  • Sweden
  • Switzerland
  • United Kingdom
  • United States