condition mean min max 4 h after light 811.6917666666667 682.1676 927.8661 8 h after light 1317.5907333333334 823.4732 1699.204 12 h after light 2740.028 2196.81 3668.99 16 h after light 1942.0276666666668 1640.4920000000002 2438.0170000000003 4 h after dark 1654.734 1571.914 1736.9779999999998 8 h after dark 1227.0415 880.7555 1518.401