condition mean min max 3 h after light 0.074168 0.0 0.222504 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.038185666666666666 0.0 0.114557 6 h after dark 0.076097 0.0 0.228291 9 h after dark 0.028053166666666667 0.0 0.0841595 12 h after dark 0.0441682 0.0 0.0883364