condition mean min max 2 h after light 418.068 351.22 485.612 6 h after light 449.45816666666667 356.965 526.079 10 h after light 401.39933333333335 346.142 500.173 14 h after light 433.36850000000004 359.809 524.611 18 h after light 516.941 416.128 573.578 2 h after dark 469.384 382.865 538.755