condition	mean	min	max
3 h after light	17.8487	16.1007	18.9035
6 h after light	16.397633333333335	13.5287	19.7144
9 h after light	15.8672	14.0455	17.1662
12 h after light	20.210449999999998	18.4974	23.61
3 h after dark	20.81276666666667	19.3897	22.9409
6 h after dark	17.882166666666667	16.3074	19.0523
9 h after dark	12.940333333333333	11.5923	14.0265
12 h after dark	14.861899999999999	13.6316	16.0922