On Mon, 15 Jun 2009 23:45:45 +0100, "hungerdunger"
wrote:

"Philip Eden" philipATweatherHYPHENukDOTcom wrote in message
.. .
At 9m (30ft) there was no evident annual cycle and all months fell
between 9.6? and 10.2?. At 20m (66ft) the temperature appeared
to be constant at exactly 10.0?."

This may well be a stupid question, but in view of the figures above, why
does the London underground get unbearably hot during hot weather?
Shouldn't it stay roughly the same all year round?

100W+ per person, a couple of MW per train. It all ends up as heat.


--
Regards, Paul Herber, Sandrila Ltd. http://www.sandrila.co.uk/