Record high level of oil production in the state was 1,403,844 barrels of oil per day (bopd) in January 2019. April production averaged 1,391,188 bopd (preliminary).
Before the slump in prices and drilling, the record high was 1,229.572 bopd in December 2014.
Since production bottomed out at an average of 942,322 bopd in December 2016, production has been climbing.
Production in June 2018 and every month since then has been above the December 2014 level. Even with winter weather, production has been in the neighborhood of the 1.4M bopd level for the last eight months, apart from small drop in February.
Graph of average production in the state and Bakken formation since 2008: