condition mean min max 4 h after light 14.2477835 13.770603 14.724964 8 h after light 15.0636035 14.082116 16.045091 12 h after light 13.523255 12.888331 14.158179 4 h after dark 14.0609805 13.795569 14.326392 8 h after dark 15.4819465 15.383441 15.580452 12 h after dark 14.648134 14.648134 14.648134