condition	mean	min	max
4 h after light	21.632841499999998	17.24701	26.018673
8 h after light	18.90111	18.096864	19.705356
12 h after light	16.474415	13.070744	19.878086
4 h after dark	18.132357499999998	17.24701	19.017705
8 h after dark	15.9366245	14.801377	17.071872
12 h after dark	17.24701	17.24701	17.24701