condition mean min max 0 h after light 1.810075 1.35332 2.26683 2 h after light 0.74067 0.0 1.48134 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.63449 0.0 1.26898 2 h after dark 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 0.0 0.0 0.0