Records set in May 2018 (Period of Record 1930-2018) Spring Top 10 (March-May) - 2nd Highest Monthly Maximum Temperature of 86.1° in May. Record is 86.3° in May 1963. - Highest Monthly Minimum Temperature of 65.3° in May. Old record was 64.4° in May 1996. - Highest Monthly Mean Temperature of 75.6° in May. Old record was 75.4° in May 1996. - 7th Most Number of Days with Maximum Temperatures at or above 90° with 9 (tied). - 5th Most Number of Monthly Days with Maximum Temperatures at or above 90° with 9 in May (tied). - 9th Least Monthly Heating Degree Days with 8 in May (tied). - 4th Most Cooling Degree Days with 426. - Most Monthly Cooling Degree Days with 337 in May. Record was 331 in May 1996. - 4th Least Number of Days with Precipitation with 15. Monthly Top 10 - 2nd Highest Maximum Temperature of 86.1°. Record is 86.3° in 1963. - Highest Minimum Temperature of 65.3°. Old record was 64.4° in 1996. - Highest Mean Temperature of 75.6°. Old record was 75.4° in 1996. - 5th Most Number of Days with Maximum Temperatures at or above 90° with 9 (tied). - 9th Least Heating Degree Days with 8 (tied). - Most Cooling Degree Days with 337. Record was 331 in 1996. Daily Record High Minimum Temperature - 67° on the 1st Record High Mean Temperature - 79° on the 14th