| Answer | Crossword Clue |
|---|---|
| ISOHEL | Map line showing equal hours of sunshine |
| isohel | a map line indicating points of equal sunshine |
| isohels | ISOHEL, a map line indicating points of equal sunshine |
| isohel | line on a weather map connecting points that receive equal amounts of sunshine |
| isohels | line on a weather map connecting points that receive equal amounts of sunshine |
| ISOTHERM | Line on a weather map showing equal temperatures |
