condition mean min max 4 h after light 217.227281 149.935434 284.519128 8 h after light 325.01430849999997 260.829529 389.199088 12 h after light 287.5050195 261.624136 313.385903 4 h after dark 230.50786349999998 198.385903 262.629824 8 h after dark 113.777014 86.860433 140.693595 12 h after dark 151.30898 151.30898 151.30898