condition	mean	min	max
4 h after light	16.32835	11.4371	21.2196
8 h after light	5.090805	4.2002	5.98141
12 h after light	4.04213	3.48519	4.59907
4 h after dark	7.795683333333333	6.11213	11.1427
8 h after dark	30.534299999999998	22.2826	39.607
12 h after dark	16.432566666666666	14.1996	18.5583