Autism Prevalence and Precipitation Rates in California, Oregon, and Washington Counties
Michael Waldman, PhD; Sean Nicholson, PhD; Nodir Adilov, PhD; John Williams, MD, MBA
Arch Pediatr Adolesc Med. 2008;162(11):1026-1034.
rainfall (early TV) linked to 40% increase in autism: summary abstract
(Full text available at that site)