180berger hybrid wind deflection

I’ve been shooting a 1:8twist 7 rem mag with the 180 hybrids. It’s a 28” tube and my mv is 3052fps. I’ve corrected my curve to 1630yds, so I know my mv and bc is pretty close. Lately I’ve been taking 1-3 shots each day from 800-1300 yds, but my wind calls seem low, I’m basing it off my wind...