condition	mean	min	max
4 h after light	15.819291	13.601249	18.037333
8 h after light	13.8351985	11.303577	16.36682
12 h after light	10.9156755	10.893591	10.93776
4 h after dark	12.963801	11.764156	14.163446
8 h after dark	14.0731615	12.660559	15.485764
12 h after dark	12.87121	12.87121	12.87121