condition	mean	min	max
4 h after light	8.421275000000001	7.16929	9.67326
8 h after light	5.04004	4.53943	5.54065
12 h after light	5.06911	4.86657	5.27165
4 h after dark	5.406806666666667	4.94334	6.20091
8 h after dark	8.060003333333333	6.98049	9.10106
12 h after dark	6.6516166666666665	5.33328	7.88497