Mobile phone masts make good rain gauges

The signals from mobile phone masts have been used to measure rainfall patterns in Israel, scientists report.
A team from the University of Tel Aviv analysed information routinely collected by mobile networks to make their estimates.

Writing in the journal Science, the researchers say their technique is more accurate than current methods used by meteorological services.

Read more here …

http://news.bbc.co.uk/1/hi/sci/tech/4974542.stm

interesting
but it must assume that everone between the masts got the same rain total
but that wont actualy happen in reality, especialy in showery weather