condition mean min max 4 h after light 0.273635 0.199805 0.347465 8 h after light 0.0 0.0 0.0 12 h after light 0.2564305 0.184465 0.328396 4 h after dark 0.323059 0.0 0.523969 8 h after dark 0.542264 0.233019 1.08158 12 h after dark 0.7113843333333333 0.216146 1.60052