Winter weather tests premises safety in a way that ordinary operations do not. Snow, ice, melt, and refreeze change conditions hour by hour. New Jersey law does not relax the standard of care because a storm is inconvenient. It measures what a prudent commercial owner or operator did in view of the conditions, the volume of visitors, and the predictability of hazards. The analysis turns on control of the area, notice of the condition, timing of the response, and the paper rec