3-year trends to January 2012.

Parametric plots of smoothed climate variables at Manilla

“Low Dew Points and cold days persist”Trends to January 2012.

Except for humid November 2011, Dew Points at Manilla (Centre left graph) have now shown remarkable aridity for nine months. The July 2011 value for Dew Point anomaly, now fully smoothed, requires the blue line to be moved yet again. It sets a new lower limit for smoothed Dew Point anomaly: minus 1.70 degrees.
Daily maximum temperature (X-axis, all graphs), from a remarkably low value (-4.7) in December, rose only to -3.6 in January.
On the top left graph, the rainfall anomaly returned from a record positive value in November to stongly negative within two months.
Cloudiness went from very high to extreme.
Daily temperature range (centre right graph) and daily minimum temperature (bottom left graph) moved back from the extreme values of December.

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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