Use these controls to limit the stations used when the *Align stations on common baseline* checkbox is selected. Selected sites that do not meet the criteria are colored purple.
For instance, of the 5,255 available GHCN adjusted sites,
To display individual sites in the lower plot, select *station* and click on the site. To display purple (restricted) sites in the lower plot, turn off *Align stations on common baseline*.
The Null Hypothesis is that the temperature change is indistinguishable from zero. For this to be true, ....
Load Local Data
Standard deviation (σ)
The values are not meaningful if the average is "Corrected for station distribution"
The delta value is used to apply a window to the "null" condition.
The temperature comparisons apply only to selected stations.
UCAR and Keeling CO2 Data
The Keeling data (1958 to present - only the August averages are plotted) is almost identical to the UCAR data for that period.
Sensitivity - ΔT when CO2 is doubled