| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why are storm clouds green | 1.14 | 0.5 | 8467 | 40 |
| why are storm clouds grey | 0.55 | 0.5 | 963 | 53 |
| why are the clouds green | 0.26 | 0.7 | 4174 | 64 |
| why are storm clouds dark gray | 0.97 | 0.9 | 728 | 52 |
| why are storm clouds dark | 1.06 | 0.4 | 6341 | 12 |
| what causes storm clouds to look gray | 1.59 | 0.4 | 988 | 62 |
| what do green clouds mean | 1.71 | 0.3 | 3375 | 19 |
| why are clouds grey when it rains | 0.16 | 0.5 | 6486 | 96 |
| why are storm clouds black | 0.88 | 0.5 | 5495 | 42 |
| why are some clouds grey | 0.38 | 0.1 | 5234 | 68 |
| why are rain clouds grey | 0.61 | 0.1 | 8935 | 65 |
| why are clouds dark when it rains | 1.07 | 0.5 | 3070 | 3 |
| why are rain clouds dark in color | 0.08 | 1 | 7024 | 13 |
| why are rain clouds dark | 0.4 | 0.8 | 779 | 19 |
| why do thunderstorm clouds look dark | 0.2 | 0.5 | 6157 | 94 |
| why do clouds turn grey | 0.21 | 0.4 | 9768 | 44 |
| why are clouds white or gray | 1.63 | 0.6 | 9509 | 12 |
| why do clouds turn gray | 0.77 | 1 | 6187 | 43 |
| what makes clouds grey | 0.19 | 0.9 | 426 | 59 |
| why thunderstorms form clouds | 0.99 | 0.5 | 3789 | 29 |
| what causes clouds to look gray | 0.68 | 0.1 | 6637 | 60 |
| what causes clouds to be different colors | 0.9 | 0.1 | 3894 | 94 |
