| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why does blue moon occur | 0.49 | 1 | 6046 | 93 |
| when does blue moon occur | 0.22 | 0.8 | 774 | 79 |
| why is a blue moon blue | 0.93 | 0.1 | 6925 | 99 |
| how often does a blue moon occur | 0.24 | 0.9 | 1717 | 92 |
| how often does a super blue moon occur | 0.13 | 0.8 | 2657 | 95 |
| how does a blue moon occur | 0.92 | 0.1 | 3581 | 69 |
| blue moon occurrence | 1.34 | 1 | 3367 | 17 |
| how often is a blue moon occur | 0.16 | 0.1 | 6947 | 79 |
| when will the next blue moon occur | 0.67 | 0.7 | 8645 | 58 |
| blue moon when does it occur | 1.84 | 1 | 641 | 31 |
| how often does a blue moon happen | 0.5 | 0.2 | 2000 | 50 |
| how frequently does a blue moon occur | 0.94 | 0.2 | 3540 | 60 |
| how often does a blue moon come | 0.62 | 1 | 7034 | 82 |
