The average date of the first 1-inch snow (1 inch or more) is December 2. The greatest depth of snow on the ground was 19 inches on February 8-10, 1982. The greatest 24-hour snowfall was 15 inches on January 1-2, 1999. Temperature and precipitation records go back to 1888 for Champaign-Urbana.
The name annelidia derives from annellus, which means little ring in Latin. The body of annelids is divided into segments that are separated by septa, and in many annelids, bristles called satae are attached to each segment.
Phylum Annelida The phylum Annelida is constructed on a tube within a tube body plan. The digestive tract with terminal mouth and anus runs more or less through the center of the body. Annelids are characterized by external and internal segmentation.hylum Annelida The phylum Annelida is constructed on a tube within a tube body plan. The digestive tract with terminal mouth and anus runs more or less through the center of the body. Annelids are characterized by external and internal segmentation.