condition	mean	min	max
4 h after light	20.41626666666667	16.3683	23.7115
8 h after light	23.213643333333334	8.36733	32.5521
12 h after light	39.44	26.3584	50.6508
4 h after dark	29.1487	25.8164	33.1528
8 h after dark	17.1074	13.8537	21.7363
12 h after dark	26.57186666666667	25.7731	28.0313