condition	mean	min	max
4 h after light	9.72146	9.66404	9.81198
8 h after light	9.511973333333334	9.105260000000001	9.781130000000001
12 h after light	9.460560000000001	9.38453	9.529710000000001
4 h after dark	10.223536666666666	9.72204	10.53303
8 h after dark	10.355633333333333	10.2655	10.46643
12 h after dark	10.313856666666666	9.95839	10.65582