condition mean min max 0 h after light 0.77886 0.0 1.55772 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 1.608705 0.0 3.21741 12 h after light 0.0 0.0 0.0 2 h after dark 0.801845 0.0 1.60369 4 h after dark 1.52548 1.49717 1.55379 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0