condition mean min max 4 h after light 161.6065425 154.976029 168.237056 8 h after light 171.6221735 155.539749 187.704598 12 h after light 171.198015 171.198015 171.198015 4 h after dark 171.1183895 142.665175 199.571604 8 h after dark 200.096565 192.82962 207.36351 12 h after dark 138.953586 138.953586 138.953586