Met Office Hadley Centre observations datasets |
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Variable | As compressed text | As NetCDF |
Best estimate temperature anomalies | HadCRUT3.gz | HadCRUT3.nc |
---|---|---|
Measurement and sampling error | HadCRUT3_m+s_error.gz | HadCRUT3_m+s_error.nc |
Station error | HadCRUT3_station_error.gz | HadCRUT3_station_error.nc |
Temperature anomalies including biases at the upper uncertainty range |
HadCRUT3_biased_97.5pc.gz | HadCRUT3_biased_97.5pc.nc |
Temperature anomalies including biases at the lower uncertainty range |
HadCRUT3_biased_2.5pc.gz | HadCRUT3_biased_2.5pc.nc |
All of these files are updated towards the end or each month. An update will add all the available data for one additional month, and may also make small additions or changes to the data for the previous 12 months.
The strengths and weaknesses of variance adjusted data are discussed in the paper describing the dataset; please read this before using the data.
The variance adjusted dataset (HadCRUT3v) is available in the same two formats.
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