condition mean min max 3 h after light 170.79133333333334 139.354 204.838 6 h after light 191.82166666666666 165.281 239.024 9 h after light 194.0 186.8 201.095 12 h after light 184.70925 156.746 207.929 3 h after dark 204.45566666666667 190.391 225.501 6 h after dark 182.885 163.227 195.744 9 h after dark 158.185 148.732 165.186 12 h after dark 134.9835 132.972 136.995