condition	mean	min	max
4 h after light	12.94505	11.8407	14.0494
8 h after light	11.03555	11.0316	11.0395
12 h after light	13.408100000000001	13.0947	13.7215
4 h after dark	18.4677	18.367	18.5684
8 h after dark	20.096049999999998	20.0457	20.1464
12 h after dark	17.6261	17.148	18.1042