condition mean min max 2 h after light 1.7409599999999998 0.0 7.36945 6 h after light 0.697395 0.0 2.86802 10 h after light 2.094875 0.0 4.40569 14 h after light 2.4101483333333333 0.0 7.74306 18 h after light 2.5456833333333333 0.0 5.08787 2 h after dark 0.3137433333333333 0.0 1.88246