3-year trends to January 2017

Parametric plots of smoothed climate variables at Manilla
“January 2017 very hot”

3-year trends to January 2017

January raw anomaly data (orange)

In January 2017 both days and nights became even hotter. While rainfall was low, dew point was high.

 Fully smoothed data (red)

At the time of the latest fully-smoothed anomalies, in July 2016, most variables were still moving towards towards cool and moist.


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.

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.

 * Normal values for rainfall are based on averages for the 125 years beginning 1883.

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