condition mean min max 4 h after light 14.149750000000001 12.0845 16.215 8 h after light 13.38365 11.9013 14.866 12 h after light 18.508 17.5675 19.4485 4 h after dark 27.323766666666668 26.2682 28.9256 8 h after dark 31.464000000000002 28.9627 33.6377 12 h after dark 17.851733333333335 15.2569 20.8721