Moisture Levels Decreasing from Last Week’s Highs
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[June 19, 2014]
levels are falling from the highs seen last week due to storms
across the state,
according to Jennie Atkins, Water
and Atmospheric Resources Monitoring (WARM) Program Manager at the
Illinois State Water Survey, Prairie Research Institute, University
week caused increases in soil moisture levels across the state. On
June 11, statewide levels at 2 inches averaged 0.36 water fraction
by volume (wfv), the field capacity of most of the soils monitored.
weather, levels have fallen since that time to averages of 0.28 wfv
at 2 inches and 0.31 wfv at 4 inches on June 15. The highest
numbers were seen in southern Illinois with a regional average of
0.33 wfv at 2 inches.
wetter at the deeper depths. Statewide levels averaged 0.37 wfv at
20 inches and 0.44 wfv at 59 inches on June 15. There was little
change at these depths in the first two weeks of June.
temperatures cooled slightly during the second week of June, but had
returned to near normal levels by the end of the week. On June 15,
soil temperatures at 4 inches under sod averaged 70.4 degrees F
statewide. Temperatures at 4 inches under bare soil averaged 71.9
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The Illinois State Water Survey’s WARM Program collects hourly
and daily weather and soil information at 19 stations across the
state. Daily and monthly summaries can be found at the WARM
and in the Illinois Water and Climate Summary (http://www.isws.illinois.edu/warm/climate.asp).
Maps of soil temperatures and moisture levels can also be found at
the WARM website (http://www.isws.illinois.edu/warm/soiltemp.asp).
[Text received; LISA SHEPPARD,
ILLINOIS STATE WATER SURVEY]
The Illinois State Water Survey at the University of Illinois
at Urbana-Champaign, a division of the Prairie Research Institute,
is the primary agency in Illinois concerned with water and