By Land and By Sea

WUWT
"Now, I don’t know the answer to these questions either. However, in this modern world there’s a term called a “WAG”, which means a wild-assed guess. However, scientists don’t provide those. Instead, there is a refined version called a “SWAG”, or a scientific wild-assed guess. So here’s my SWAG about what we’re seeing here. I think at least some of this is the effect of the Pacific Decadal Oscillation, or PDO."