Is It Spring Yet?

Let's see...

Robins back... check.
Red-wing blackbirds... check.
Canada geese... check. No, wait, those damn things never left.
Great blue herons... check.
Kildeer back... check.
Meadowlarks... check.
Snow melted, the Mighty Onion River flooding... check.
Sump pump running almost continuously... check.
Temperature in the 60's 50's 40's 30's 20's...close enough.