condition mean min max 4 h after light 12.874165000000001 11.94537 13.80296 8 h after light 11.381629 10.052022 12.711236 12 h after light 11.989433 11.970491 12.008375 4 h after dark 10.878767 10.58877 11.168764 8 h after dark 13.264712 12.311782 14.217642 12 h after dark 11.283604 11.283604 11.283604