3.2 inches: Average April snowfall in Portland*

9.9 inches: Average April snowfall in Caribou

11.7 inches: Snowfall in Portland this month

15.6 inches: Snowfall in Caribou so far this month

4-8 inches: Snowfall expected in Portland by this morning

5-9 inches: Snowfall expected in Caribou by today

20.5 inches: Most snow in Portland in April (1906)

21.1 inches: Most daily snow in April (April 7, 1982) in Caribou

36.4 inches: Most snow in April in Caribou (1982)

0 inches: Least snow in Portland in April (occurred nine times, most recently in 1999)

0.5 inch: Portland snowfall in April 2006

Source: National Weather Service records, which go back 136 years

* In Maine, the National Weather Service only keeps records for Portland, Bangor and Caribou.