Complex sentence: The hottest temperature recorded in Wichita was in 1936; the coldest temperature recorded was on February 12,1899, although readings as low as and as high as occurred as recently as February 10,2011 and July 29--30 2012, respectively.
Split into simpler sentences: The hottest temperature recorded in Wichita was in 1936; the coldest temperature recorded was on February 12,1899. Readings as low as and as high as occurred as recently as February 10,2011 and July 29--30 2012, respectively.