Every apparel retailer has a date circled on the calendar for when winter stock comes down and spring goes up. Most years, that date is wrong. Not wildly wrong, just wrong enough that you’re either clearing out parkas while customers are still buying them, or burying a rack of linen dresses behind coats nobody wants anymore. The floor reset isn’t the problem. Resetting it on a fixed date regardless of what’s actually happening outside is. That’s not a seasonal hunch, it’s backed by research. A 2024 Federal Reserve Bank of San Francisco study found that weather has persistent, significant effects on