Compared to the typical April pattern over the last 21 years, midterm year Aprils exhibit a noticeably different pattern. In midterm Aprils (visible in the charts below), the month is strong until ...

A president’s party has gained Senate seats in a midterm 14 times since 1862, including six times in the past 60 years: 1962, 1966, 1970, 1982, 2002 and 2018.

In more than 20 of the most competitive House races of 2018, the share of Democrats voting in primaries notably increased, compared with 2014, the last midterm election cycle.

Mid-April is also a clear inflection point in the full-year seasonal patterns. Compared to the typical April pattern over the last 21 years, midterm year Aprils exhibit a noticeably different pattern.