condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.08419066666666668 0.0 0.252572 12 h after light 0.0 0.0 0.0 4 h after dark 0.091577 0.0 0.274731 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0