condition	mean	min	max
4 h after light	14.417209999999999	12.95098	16.64155
8 h after light	13.323976333333333	6.3636989999999996	24.57089
12 h after light	17.86065	15.57513	19.93899
16 h after light	21.735933333333335	16.27587	29.200090000000003
4 h after dark	23.83234666666667	18.3689	28.304890000000004
8 h after dark	16.924793333333334	13.120460000000001	20.33776