3-year trends to May 2010

Parametric plots of smoothed climate variables at Manilla
“Temperatures normal”

Trends to May 2010

Manilla’s climate in the last three years has been marked mainly by cloudier skies and a narrower daily temperature range.

Raw anomaly values for climate variables for May 2010 (orange) were normal for daily maximum, daily minimum, and subsoil temperatures and for daily temperature range. Rainfall and humidity (dew point) were rather low, but skies were very cloudy.
Fully-smoothed data (red) for November 2009 showed a record value for daily maximum temperature anomaly, which seemed likely to be a peak value.

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.

(Note added in May 2014:

This post titled “3-year trends to May 2010” is the first of a consecutive series of parametric plots, updated monthly at the time of observation and originally posted elsewhere.
Data exists back to March 1999, but the earlier data was not edited in this form at the time.
To display all existing fully-smoothed data points at least once, I have prepared back-dated posts in this same format for:
“3-year trends to August 2002” which includes smoothed data September 1999 to February 2002, covering the calendar years 2000 and 2001.
“3-year trends to August 2004” which includes smoothed data September 2001 to February 2004, covering the calendar years 2002 and 2003.
“3-year trends to August 2006” which includes smoothed data September 2003 to February 2006, covering the calendar years 2004 and 2005.
“3-year trends to August 2008” which includes smoothed data September 2005 to February 2008, covering the calendar years 2006 and 2007.)

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