Annual and Consecutive Days with High Temperatures 100 degress or Greater Abilene Greatest Annual Number of Days Most Consecutive Days Rank and Year and Dates 1 43 (1952) 30 (August 3 - September 1, 1952) 2 42 (1978) 21 (July 1 - July 21, 1978) (tie) 42 (1980) 21 (June 8 - June 28, 1953) 4 40 (2000) 19 (July 27 - August 24, 1937) 5 37 (1953) 18 (July 30 - August 16, 1943) (tie) 37 (1998) 7 34 (1963) 8 32 (1948) 9 30 (1951) 10 29 (1956) Years when Maximum Temperature did not reach 100 degrees: 1890 1961 1968 1975 1992 2007