condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00517845 0.0 0.0103569 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.023374076666666667 0.0 0.0657075