condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0543845 0.0 0.326307 10 h after light 0.01711 0.0 0.10266 14 h after light 0.0 0.0 0.0 18 h after light 0.028630716666666667 0.0 0.0908217 2 h after dark 0.0 0.0 0.0