condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1846785 0.0 0.369357 12 h after light 0.524733 0.451101 0.598365 4 h after dark 0.9942595000000001 0.788569 1.19995 8 h after dark 0.197587 0.0 0.395174 12 h after dark 0.163778 0.0 0.327556