condition mean min max 2 h after light 66.87058333333333 48.7578 80.4837 6 h after light 78.77720000000001 59.3466 93.7081 10 h after light 69.80395 54.4967 75.702 14 h after light 56.4042 45.0979 71.8488 18 h after light 59.94566666666667 43.4699 76.7867 2 h after dark 40.96398333333333 28.3505 54.6866