condition mean min max 4 h after light 0.338677 0.0 0.641134 8 h after light 0.14071666666666666 0.0 0.320942 12 h after light 0.1990836666666667 0.14987 0.254985 4 h after dark 0.0 0.0 0.0 8 h after dark 0.134325 0.0 0.402975 12 h after dark 0.278678 0.0 0.635551