"In any case, by March 2015, when the comet is closer to the Sun, it is likely t...

  "In any case, by March 2015, when the comet is closer to the Sun, 
  it is likely that the lander will become too hot to operate. [...] 
  It will next pass through perihelion on 13 August 2015, 
  186 million kilometres from the Sun."

(http://www.esa.int/Our_Activities/Space_Science/Rosetta/Freq...)

Will the heat affect the lander's measurements?