Passage: Charleston has a humid subtropical climate , with mild winters, hot, humid summers, and significant rainfall all year long. Summer is the wettest season; almost half of the annual rainfall occurs from June to September in the form of thundershowers. Fall remains relatively warm through the middle of November. Winter is short and mild, and is characterized by occasional rain. Measurable snow  only occurs several times per decade at the most however freezing rain is more common; a snowfall/freezing rain event on January 3, 2018 was the first such event in Charleston since December 26, 2010. However, 6.0 in  fell at the airport on December 23, 1989, the largest single-day fall on record, contributing to a single-storm and seasonal record of 8.0 in  snowfall. The highest temperature recorded within city limits was 104 °F  on June 2, 1985, and June 24, 1944, and the lowest was 7 °F  on February 14, 1899. At the airport, where official records are kept, the historical range is 105 °F  on August 1, 1999, down to 6 °F  on January 21, 1985. Hurricanes are a major threat to the area during the summer and early fall, with several severe hurricanes hitting the area—most notably Hurricane Hugo on September 21, 1989 . The dewpoint in June to August ranges from 67.8 to 71.4 °F .
During what season did Hurricane Hugo hit? How many degrees are there between the highest, and the lowest temperature recorded at the Airport? How many degrees does the dew point range between in July and August? How many degrees the highest recorded temperature and lowest recorded? How many inches of snow fell at the airport on December 23, 1989? How many inches of snow was the seasonal record? How many more degrees is the highest temperature recorded at the airport than the one recorded on June 2, 1985? How many records have been set in the month of June? How many records were set between 2010 and 2018? How many years after the 104 °F record setting day was Hurricane Hugo? How many years apart are the records for highest temperature? How many years had passed between the last snowfall event and the one in 2018? How many years was there between the most recent and previous snowfall? How much rainfall does Charleston have? Hurricane Hugo happened how many days before the largest single-day fall on record in Charleston? On what year did the season that had the most snowfall start? What happened first, Hurricane Hugo or the 104 °F record setting day? What time of the season does half of the annual rainfall occur in Charleston? What year holds the record for the coldest temperature in Charleston? When did the airport experience record low temperature? When was the largest snowfall? When was the lowest temperature? Which record was set second, the highest temperature on record or the lowest? Within a span of how many months does almost half of the annual rainfall occur in Charleston?