The cold temperatures during these Mays likely impacted agricultural activities, particularly planting and early crop growth, which are sensitive to temperature fluctuations. Lower-than-average temperatures can delay planting schedules and reduce yields for crops such as corn and soybeans, staples of Iowa's economy. Additionally, colder weather may have affected local ecosystems, including the timing of plant blooms and animal activity. Precipitation levels also varied, with some years experiencing heavy rainfall that could lead to localized flooding, while others saw below-average rainfall, potentially contributing to drought conditions.