summer crossword

3. are 20 challenging summer-themed terms for a crossword puzzle, without numbers:
5. A steep temperature gradient in a body of water, marking the boundary between warmer surface water and colder deep water.
6. The art or practice of garden cultivation and management.
7. Activity done for enjoyment when one is not working.
8. Growing warm; increasing in heat.
10. A public outdoor swimming pool or a section of a beach.
12. The dawn, particularly in the northern hemisphere during summer nights, the "northern lights" may be visible.
13. Referring to the "dog days" of summer, often associated with intense heat.
15. To isolate or hide away, perhaps at a summer retreat.
16. Occurring every day; daily, especially pertaining to daylight hours.
17. A luminous cloud or a halo surrounding a supernatural being or a saint, or a rain cloud.

1. A long, open, level area, typically by the sea, along which people may walk.
2. The current geological era, often associated with the diversification of modern life forms including flowering plants.
4. Active during twilight, like certain summer insects.
9. A lightweight umbrella used as a sunshade.
11. The longest day of the year in the Northern Hemisphere.
14. The process or period of putting forth leaves, often in spring and early summer.