condition	mean	min	max
4 h after light	6.866783333333333	4.70885	8.54874
8 h after light	5.19691	1.45021	9.07774
12 h after light	4.42251	3.57885	5.20888
4 h after dark	6.56763	4.7067	7.5909
8 h after dark	9.57368	7.26095	12.3824
12 h after dark	10.830816666666667	9.13385	13.1633