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"June temperatures averaged
67.9 degrees across Illinois, 4 degrees below normal, compared to
the coldest June in 1903, with average temperatures of 65.8 degrees,
6.1 degrees below normal," says Angel.
Based on preliminary data,
Streamwood covered the range in temperatures for the state, from a
low of 34 degrees on June 1 to a high of 97 degrees on June 25.
Three other sites also had highs of 97 degrees: Moline on June 24
and Normal and Grand Tower on June 26.
June precipitation averaged
4.31 inches, 0.23 inches above normal (106 percent of normal). Soil
moisture is still in good shape for crops across most of the state.
In fact, southern Illinois has had to deal with excessive soil
moisture due to above normal rainfall in April, May and June.
"The only areas with
significantly below normal precipitation were in northwestern and
northeastern Illinois, with 67 and 52 percent of normal
respectively. However, spring rainfall has minimized the impacts of
a dry June on crops there so far," says Angel.
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Severe weather -- defined as
tornadoes, hail or damaging winds -- occurred on June 10, 11, 14,
18, 25, 28 and 29. Despite 13 reported tornadoes (three on June 10
in St. Clair, DeKalb and Marion counties; five on June 11 in
Sangamon and Logan counties; and five others on June 14 in Carroll
and Stephenson counties), no deaths or serious injuries were
reported.
Other than planting delays in
southern Illinois, the growing season is off to a good start.
Illinois had 541 growing degree days in June, 82 percent of average.
The
National Weather Service is calling for an increased likelihood of a
cool, wet July. "With both the historical analysis and the NWS
forecast in agreement, the only area of concern at this point is
southern Illinois, where already late crops may be slow to develop,"
says Angel.
[Illinois
State Water Survey press release]
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