Daily weather conditions from Julian Day 135 (15 May) to Julian Day 258 (15 September) at Lewisville, IN, in 2010 (top panel) and at Champaign, IL, in 2011 (bottom panel). Solid and dashed lines represent the daily maximum and minimum temperatures, respectively. Solid vertical bars are the recorded daily precipitation. The approximate dates of flowering (R1) and physiological maturity (R6) have been indicated. Weather data for Lewisville, IN, were obtained from NOAA-NCDC (2013), and data for Champaign, IL, were obtained from the Illinois Climate Network (2013).