 Some stations in the American Midwest reported minimum temperatures at or above , such as at Lincoln, Nebraska, on July 25, 1936; the next and most recent time this is known to have happened is during a similar, but far less intense, heat wave in late June 1988 that produced a handful of minimums.The highest nightly low temperature outside the Desert Southwest was at Atchison, Kansas, during the heat wave of July 1934.August was the warmest month on record for five states.