condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03367633333333333 0.0 0.101029 12 h after light 0.009306766666666666 0.0 0.0279203 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