condition mean min max 2 h after light 9.61703 8.00534 11.3734 6 h after light 9.830268333333333 6.27391 14.2966 10 h after light 6.9223300000000005 4.69941 10.7699 14 h after light 7.88978 3.88163 11.9478 18 h after light 8.272675 6.83488 11.4153 2 h after dark 10.099038333333333 8.17182 12.0898