condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0235964 0.0 0.0471928 12 h after light 0.04607065 0.0 0.0921413 2 h after dark 0.049284800000000004 0.0472249 0.0513447 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0