3-year trends to April 2013

Parametric plots of smoothed climate variables at Manilla

“Back to warm and very dry”Trends to April 2013.

In April the raw value of maximum temperature anomaly became high and (indicating aridity) those of rainfall, dew point, and minimum temperature extremely low, and that of temperature range extremely wide. Cloud remained normal, and subsoil temperature high.

Fully-smoothed data points (red) for October 2012 continued to move towards higher maximum temperature, but scarcely moved further towards drought.

Note: Fully smoothed data – Gaussian smoothing with half-width 6 months – are plotted in red, partly smoothed data uncoloured, and raw data for the last data point in orange. January data points are marked by squares. Blue diamonds and the dashed blue rectangle show the extreme values in the fully smoothed data record since September 1999.

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