condition mean min max 3 h after light 0.305145 0.0 0.595143 6 h after light 0.0 0.0 0.0 9 h after light 0.289097 0.0 0.603792 12 h after light 0.5887796666666667 0.440424 0.685555 3 h after dark 0.081028 0.0 0.243084 6 h after dark 0.057699 0.0 0.173097 9 h after dark 0.09885033333333333 0.0 0.296551 12 h after dark 0.080158 0.0 0.240474