condition	mean	min	max
4 h after light	18.653	16.3193	20.9867
8 h after light	15.0891	14.7303	15.4479
12 h after light	18.1485	17.553	18.744
4 h after dark	46.945433333333334	45.2196	48.3362
8 h after dark	30.942700000000002	29.3012	32.1073
12 h after dark	25.108833333333333	23.4653	26.4996