Complex sentence: In Mexico, the peak 24-hour rainfall total was 4.96 inches (126 mm) in Huixtla, and across southeastern Mexico, the rainfall led to above normal levels in many rivers.
Split into simpler sentences: In Mexico, the peak 24-hour rainfall total was 4.96 inches (126 mm) in Huixtla. Across southeastern Mexico, the rainfall led to above normal levels in many rivers.