Weather
is
the
state
of
the
____________________
at
a
certain
time
in
a
certain
____________________
.
Weather
changes
all
the
____________________
.
It
can
be
sunny
in
the
morning
,
rainy
in
the
afternoon
and
windy
at
____________________
.
There
are
four
weather
concepts
:
temperature
,
____________________
,
wind
and
precipitation
.