condition mean min max 4 h after light 2.0787899999999997 1.73055 2.42703 8 h after light 7.410175 6.87062 7.94973 12 h after light 10.947105 7.73091 14.1633 4 h after dark 6.205113333333333 5.57822 6.73956 8 h after dark 4.536863333333333 3.33151 5.25228 12 h after dark 2.0193333333333334 1.79255 2.44252