3-year trends to September 2014

Parametric plots of smoothed climate variables at Manilla
“September 2014 had little rain”

Trends to September 2014

 September data (orange)

Most raw anomaly values for September remained on the cool-moist side of normal. However. both rainfall and dew point were again well below normal.

Fully smoothed data (red)

The latest fully-smoothed data (March 2014) continued the trends established in summer. All were moving away from drought, except for daily minimum temperature. That is, nights were becoming very warm.


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.

Normal values are based on averages for the decade from March 1999. They appear on these graphs as a turquoise (turquoise) circle at the origin (0,0). A range of anomalies called “normal” is shown by a dashed rectangle in aqua (aqua). For values in degrees, the assigned normal range is +/-0.7°; for cloudiness, +/-7%; for monthly rainfall, +/-14 mm.


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