Updated 11 a.m. Friday.
Champaign and Urbana have activated their snow-removal rules, following Thursday night's storm.
Champaign invoked its rules for sidewalks in downtown and Campustown, meaning sidewalks must be cleared by 10:15 a.m. Sunday. Here's the city's map of the areas subject to the ordinance . Sidewalks must be cleared to a width of 4 feet or their entire width, whichever is less.
Urbana also put its rules into effect and the deadline there is 1 p.m. Saturday. Here are Urbana's rules . As in Champaign, property owners must clear sidewalks to a width of 4 feet or their entire width, whichever is less. The rules govern downtown , the university district  and the South Philo Road district .
Champaign-Urbana received its largest snowfall of the season Thursday — 2.7 inches, according to the Illinois State Water Survey.
With that amount, the cities now have received 6.7 inches for the winter season.
The total for this winter had been 4 inches — 0.9 inch in December, 1.6 inches in January and 1.5 inches in February.
In a normal winter, about 16 inches of snow would have fallen on Champaign-Urbana by now, according to the National Weather Service. Last winter at this time, Champaign-Urbana had received 10.5 inches of snow.
But total precipitation levels for the winter are near normal. Precipitation in December was slightly below normal, but it was slightly above normal in January and it is close to normal so far in February.
Thursday's storm amounted to a little more than half an inch of precipitation, according to the water survey.
Since last July, which was the third-driest July on record, Champaign-Urbana precipitation is more than 4 inches above average.