condition mean min max 0 h after light 6.082985000000001 5.01477 7.1512 4 h after light 6.780704999999999 5.10058 8.46083 8 h after light 3.21443 2.18385 4.24501 4 h after dark 5.102365 4.91637 5.28836 8 h after dark 12.1967 11.3638 13.0296 12 h after dark 5.62772 3.5708 7.68464