condition	mean	min	max
4 h after light	8.780719999999999	6.82654	10.7349
8 h after light	5.16948	4.99742	5.34154
12 h after light	4.6157699999999995	4.12579	5.10575
4 h after dark	9.4779	9.15844	9.79736
8 h after dark	12.29735	12.179	12.4157
12 h after dark	13.4128	12.4007	14.4249