condition	mean	min	max
4 h after light	15.720600000000001	14.4594	16.9818
8 h after light	10.7065	10.5639	10.8491
12 h after light	10.25747	9.75724	10.7577
4 h after dark	12.994433333333333	11.9779	13.8441
8 h after dark	17.83663333333333	17.023	19.2048
12 h after dark	17.1032	15.1063	18.3407