condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 1.253005 0.0 2.50601 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 2.68398 2.51246 2.8555 2 h after dark 2.5754 0.0 5.1508 4 h after dark 1.247635 0.0 2.49527 8 h after dark 0.0 0.0 0.0 12 h after dark 5.238379999999999 5.13619 5.34057