condition mean min max 4 h after light 0.015041200000000001 0.0110404 0.019042 8 h after light 0.0 0.0 0.0 12 h after light 0.01758365 0.0 0.0351673 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.006852566666666667 0.0 0.0205577