2009 Spring Climate Review

Here is a look back at the climate for spring 2009 for Chicago and Rockford. Meteorological spring is defined as the months of March, April and May. Other locations in northern Illinois received even greater rainfall amounts during this past spring. Streams across northern Illinois and northwest Indiana finally fell below flood stage this past weekend. Many had been in flood since early February. In addition, spring planting was delayed considerably for area farmers.
Spring 2009 Precip for Illinois
At Chicago, the average high temperature was 58.8 degrees which is 0.8 degrees above normal. The average low temperature was 39.0  degrees, which is 1.1 degrees above normal. The average temperature
for the spring season was 48.9 degrees which is 1.0 degrees above normal. For the season, 14.02 inches of precipitation was recorded which is 4.31 inches above normal. This makes spring 2009 the 10th 
wettest spring. The wettest was in 1983 with 17.51 inches. For the 2009 spring season, 4.2 inches of snow was recorded which is 3.4 inches below normal.

At Rockford, the average high temperature was 59.9 degrees which is 1.3 degrees above normal.  The average low temperature was 37.8 degrees which is 0.7 degrees above normal.  The average temperature
for the spring season was 48.9 degrees which is 1.0 degrees above normal. For the season, 13.87 inches of precipitation was recorded which is 3.83 inches above normal. This ties 1945 for the 9th wettest spring. The wettest is 1973 with 21.43 inches. For the 2009 spring season, only 2.1 inches of snow was recorded which is 4.9  inches below normal.



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