condition	mean	min	max
4 h after light	35.864955	27.905464	43.824446
8 h after light	19.5553295	19.047738	20.062921
12 h after light	22.89782	17.284072	28.511568
4 h after dark	17.041941	14.837869	19.246013
8 h after dark	13.929103	12.699281	15.158925
12 h after dark	47.865812	47.865812	47.865812