Nevertheless, not only is it certain that these variations depend on causes, and follow their causes by laws of unerring uniformity; not only, therefore, is tidology a science, like meteorology, but it is, what hitherto at least meteorology is not, a science largely available in practice.    From Wordnik.com.  [A System Of Logic, Ratiocinative And Inductive] Reference

His example of an inexact science is tidology.    From Wordnik.com.  [Archive 2009-08-01] Reference