condition mean min max 2 h after light 1.87046 1.3806 2.81283 6 h after light 2.9681283333333335 2.22546 4.34928 10 h after light 5.084348333333334 4.21307 7.07022 14 h after light 3.8936349999999997 2.2441 4.97618 18 h after light 3.48418 2.66242 5.29163 2 h after dark 2.67685 2.12169 3.41069