condition	mean	min	max
4 h after light	24.98295	19.2215	30.7444
8 h after light	15.85715	15.7009	16.0134
12 h after light	10.58276	9.15332	12.0122
4 h after dark	15.4683	14.7356	16.201
8 h after dark	12.28435	11.5864	12.9823
12 h after dark	21.071849999999998	19.7644	22.3793