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Onset
of Monsoon in the Southern Tip of India
 Kerala
is the first state in India to receive the monsoon, and the date of the onset of
monsoon here is eagerly awaited by the rest
of India boiling under the heat of summer.
Some of the factors that are considered to
determine the onset of monsoon in Kerala is
as follows:
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Starting
from the 10th of May,
if at least five out of ten
meteorological stations in Kerala
report 24-hour rainfall amounts of
1 mm or more for two consecutive
days, the monsoon is declared on
the second day.
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If
three or more out of seven
stations in Kerala report no
rainfall for the next three days,
a temporary recession of the
monsoon is indicated. This is not
unusual when the monsoon is till
south of 13º
north.
-
The
monsoon is taken as established
over Kerala after it has set in
north of 13º
north.
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