Theme: Summer

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Across
  1. 3. Summer weather phenomenon characterized by thunder and lightning
  2. 5. A body of water partially enclosed by land
  3. 8. Fourth-of-July nighttime spectacle
  4. 10. Longest day of the year in the Northern Hemisphere
  5. 12. Seasonal insect known for synchronized flashing displays
  6. 14. Temporary shelter often pitched during a summer getaway
  7. 16. Popular red fruit often associated with summer picnics
  8. 17. UV-blocking eyewear commonly worn outdoors
Down
  1. 1. Informal term for a prolonged period of inactivity or laziness
  2. 2. Outdoor meal often associated with blankets and baskets
  3. 4. Period of unusually high temperatures
  4. 6. Traditional summer treat consisting of toasted marshmallow, chocolate, and graham crackers
  5. 7. Annual celestial event responsible for August's Perseid display
  6. 9. Atmospheric condition often blamed for hazy summer horizons
  7. 11. Popular backyard game involving beanbags and angled boards
  8. 13. Ocean water moving toward the shore
  9. 15. Recreational boat propelled by a double-bladed paddle
  10. 17. Brightest star visible from Earth during daylight hours