Summer Time

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Across
  1. 2. Summer insect known for its evening glow (7)
  2. 4. Popular nighttime summer activity involving a blanket and stars (10)
  3. 6. Annual astronomical event that brings the most daylight hours to the Northern Hemisphere (15)
  4. 9. The ultraviolet rays from the sun can cause this painful skin condition (7)
  5. 10. The scientific name for a firefly's light-producing process (11)
  6. 11. Common summer weather alert issued for dangerous temperatures (8)
Down
  1. 1. Protective lotion used to prevent sunburn (10)
  2. 3. A sudden, heavy summer rain.
  3. 5. A competition involving swimming, cycling, and running (9)
  4. 7. Outdoor structure commonly used for shade at beaches and patios (8)
  5. 8. Atmospheric condition that often makes July and August feel hotter than the thermometer indicates (8)