start to the end of the range (unless they are over 1 day old, in which case
they are presumed missing their stop record and not counted). Also, sessions
which end in the range but started earlier are counted from the start of the
start to the end of the range (unless they are over 1 day old, in which case
they are presumed missing their stop record and not counted). Also, sessions
which end in the range but started earlier are counted from the start of the