condition mean min max 0 h after light 1.914575 0.0 3.82915 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 4.20182 3.93404 4.4696 2 h after dark 2.14304 0.0 4.28608 4 h after dark 0.0 0.0 0.0 8 h after dark 4.26766 0.0 8.53532 12 h after dark 2.043705 0.0 4.08741