condition	mean	min	max
0 h after light	17.667050000000003	17.3469	17.9872
4 h after light	9.657395000000001	9.30059	10.0142
8 h after light	10.81305	10.2936	11.3325
4 h after dark	13.4333	11.5135	15.3531
8 h after dark	13.60815	13.4847	13.7316
12 h after dark	15.17435	13.6815	16.6672