The U.S. drilling permit count reversed by 23% in May month/month and was down 3% from a year ago, Evercore ISI said in its latest summary of nationwide data.

The energy analyst firm each month compiles oil and gas permitting figures using state and federal data. 

April permitting had bounced up by double digits from March, but permitting fell into the “pre-summer blues” last month, according to the analyst team led by James West. 

“Every single basin” saw permits decline in May from April with the exception of the Mississippian Lime, up 18% (21 permits), and Woodford formation, which jumped 36% (nine permits). 

Notable reductions included the Permian Basin, down 20% or by 201 permits from April. Denver-Julesburg Basin permitting fell by 49%, or 57 fewer permits....