This didn't capture how huge these were or how detailed, but I look like enough of a Kook standing out in the middle of the street all the time taking photos as it is without setting up shots. :) They seem to spray in the mornings here between 7-9 am Central time in the East and South. Then if it's a "spray day" the y go at it in the afternoon.
Funny thing is I never see planes and I can look at a blue sky and 15 minutes later see it filled with stuff like this, out of nowhere.