Applying to become a police officer within the next year - but have smoked marijuana

I have never gotten into marijuana until I was 20 years old in college during the summer. I smoked about 2 1/2 months almost regularly. I have never done drugs prior to this and will never again, honestly a stupid decision. I am about 6 months clean now, but waiting to apply till I hit the 1 year mark, as this department requires you to be one year clean. I have no other criminal record or have ever used any other drugs. Will this harm my application, even if I’m open and honest about my drug usage? I am graduating college (4 year) this spring (2025) and have extremely good grades, was a good student, also a good student in high school. The only other thing would be drinking underage (rarely and rarely do now, even as a 21 yr old), but I believe almost every cop has done that one. I know marijuana is not a huge deal, but I’m wondering if should wait even longer than a year to apply first?