condition mean min max 4 h after light 2102.3267115 2034.833444 2169.819979 8 h after light 2209.5068300000003 2201.539749 2217.473911 12 h after light 2548.5141464999997 2539.789644 2557.238649 4 h after dark 2209.597441 1962.770518 2456.424364 8 h after dark 2576.4243644999997 2201.539749 2951.30898 12 h after dark 2280.605462 2280.605462 2280.605462