condition mean min max 4 h after light 2478.0704130000004 2429.447231 2526.693595 8 h after light 2907.238437 2483.75793 3330.718944 12 h after light 3387.5638154999997 3035.325086 3739.802545 4 h after dark 2697.5339325 1874.55359 3520.514275 8 h after dark 1981.8593230000001 944.563512 3019.155134 12 h after dark 2271.610289 2271.610289 2271.610289