condition mean min max 0 h after light 10.37464 9.67228 11.077 2 h after light 2.29909 1.97275 2.62543 4 h after light 5.18328 4.87721 5.48935 8 h after light 5.422499999999999 4.89363 5.95137 12 h after light 7.108405 6.48974 7.72707 2 h after dark 12.972750000000001 10.6768 15.2687 4 h after dark 18.08925 15.6148 20.5637 8 h after dark 22.5051 21.9608 23.0494 12 h after dark 13.269549999999999 11.6928 14.8463