condition mean min max 2 h after light 77.31991666666667 66.7912 89.252 6 h after light 94.6052 82.5085 105.43 10 h after light 77.0669 56.4186 98.4368 14 h after light 63.21431666666667 55.499 70.7424 18 h after light 70.87083333333334 66.6067 76.1628 2 h after dark 53.819183333333335 50.7938 56.9658