Earliest first occurrence of 110°	Latest first occurrence of 110°	Earliest last occurrence of 110°	Latest last occurrence of 110°
Date	May 12, 1996	July 13, 2014	July 30, 2014	Sept. 28, 1992

Year	First occurrence of 100°	Last occurrence of 100°	First occurrence of 110°	Last occurrence of 110°
Average	April 29	October 7	June 10	September 2
2023	April 11	October 20	June 26	September 10
2022	May 14	September 28	June 10	September 6
2021	May 6	September 22	June 12	August 4
2020	April 26	October 16	May 29	September 6
2019	April 19	September 19	June 12	September 5
2018	May 5	September 29	June 22	August 6
2017	May 4	October 24	June 18	September 6
2016	May 4	October 27	June 3	August 16
2015	April 30	October 14	June 15	August 29
2014	May 4	September 25	July 13	July 30
2013	April 28	September 21	June 7	September 6
2012	April 21	October 4	June 1	August 14
2011	May 5	October 19	June 22	September 4
2010	May 21	October 14	June 23	September 19
2009	April 20	October 18	May 18	August 29
2008	May 18	October 2	June 15	August 1
2007	March 16	October 28	June 21	September 11
2006	May 1	October 4	June 2	August 21
2005	May 15	October 7	May 22	August 29
2004	April 26	September 24	June 3	September 10
2003	May 16	October 22	May 28	September 3
2002	May 13	September 26	June 6	September 4
2001	April 25	October 26	June 16	September 23
2000	April 26	October 5	May 22	September 15
1999	May 18	October 13	June 20	September 13
1998	April 22	October 12	June 27	September 15
1997	May 3	October 6	May 16	September 4
1996	April 23	October 12	May 12	August 25
1995	May 19	October 20	June 1	September 14
1994	April 16	September 29	June 10	September 18
1993	May 10	October 5	June 13	August 23
1992	April 12	October 12	June 21	September 28
1991	May 6	October 20	June 18	August 8
1990	April 15	September 13	June 4	September 11
1989	April 6	October 13	June 14	September 22
1988	March 26	October 9	June 16	August 14