condition mean min max 4 h after light 139.6278615 138.770518 140.485205 8 h after light 127.195461 118.531446 135.859476 12 h after light 107.3489265 103.199261 111.498592 4 h after dark 139.092089 132.096163 146.088015 8 h after dark 173.939818 141.616672 206.262964 12 h after dark 116.071898 116.071898 116.071898