condition mean min max 4 h after light 10.281941 10.141265 10.422617 8 h after light 9.566876 8.992487 10.141265 12 h after light 9.631855000000002 9.122445 10.141265 4 h after dark 9.9713365 8.651084 11.291589 8 h after dark 10.164908 10.141265 10.188551 12 h after dark 10.38044 10.38044 10.38044