condition mean min max 4 h after light 2795.122778 2608.595 3054.756667 8 h after light 1114.1349999 795.415 1578.963333 12 h after light 567.6655555333333 450.7733333 762.99 1.5 h after dark 654.2177777666667 616.6833333 694.5566667 5.5 h after dark 870.3911112333334 708.11 1112.066667 9.5 h after dark 1938.7099999999998 1107.29 2492.2