condition mean min max 4 h after light 11.162295 10.367344 11.957246 8 h after light 10.162018 9.334653 10.989383 12 h after light 11.341177 11.341177 11.341177 4 h after dark 11.5412715 10.184806 12.897737 8 h after dark 12.211303000000001 11.565936 12.85667 12 h after dark 10.958948 10.958948 10.958948