condition mean min max 4 h after light 113.5918275 107.416403 119.767252 8 h after light 113.5069035 90.203485 136.810322 12 h after light 74.4702145 60.920631 88.019798 4 h after dark 50.0944615 47.994053 52.19487 8 h after dark 39.371340000000004 38.832799 39.909881 12 h after dark 33.209416 33.209416 33.209416