condition	mean	min	max
4 h after light	14.371400000000001	11.8861	16.8567
8 h after light	13.6043	12.8064	14.4022
12 h after light	18.049799999999998	17.9244	18.1752
4 h after dark	21.546566666666667	19.4856	23.3081
8 h after dark	22.0836	21.4915	22.676
12 h after dark	20.59573333333333	19.1806	23.3584