condition mean min max 0 h after light 12.090150000000001 11.9924 12.1879 4 h after light 15.691849999999999 14.737 16.6467 8 h after light 5.57451 5.13071 6.01831 4 h after dark 0.684812 0.341394 1.02823 8 h after dark 5.504275 4.62171 6.38684 12 h after dark 10.05366 8.99882 11.1085