condition mean min max 0 h after light 12.212299999999999 11.3016 13.123 4 h after light 8.119105000000001 7.47072 8.76749 8 h after light 8.89194 8.88973 8.89415 4 h after dark 13.5871 12.9916 14.1826 8 h after dark 13.906600000000001 13.5204 14.2928 12 h after dark 9.581285000000001 9.15867 10.0039