condition mean min max 0 h after light 0.142877 0.0 0.285754 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.2945475 0.293988 0.295107 12 h after light 0.652365 0.0 1.30473 2 h after dark 0.233473 0.147094 0.319852 4 h after dark 0.2824375 0.137323 0.427552 8 h after dark 0.315679 0.309951 0.321407 12 h after dark 0.0733385 0.0 0.146677