Not here in the "Golden State" (there's a drought on, don't ya know).

As to the OP, at night I run my Dinotte Quad Red on steady, and the two Niterider Solas flashing; up front NR Lumina 650 on the bars and Dinotte XML-3 on the helmet (both on steady). During daylight front and rear are both flashing (though usually the XML-3 is turned off).