condition mean min max 3 h after light 0.14837833333333333 0.0 0.257311 6 h after light 0.819358 0.509954 1.15789 9 h after light 0.27080266666666664 0.168383 0.457788 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0