condition	mean	min	max
4 h after light	7.632036666666667	7.522460000000001	7.783739999999999
8 h after light	7.7234333333333325	7.433889999999999	7.8722199999999996
12 h after light	7.568456666666667	7.340660000000001	7.855060000000001
4 h after dark	7.658923333333333	7.33593	7.8262
8 h after dark	7.71868	7.43871	7.9267199999999995
12 h after dark	7.312073333333333	7.2044	7.4048300000000005