condition mean min max 4 h after light 131.140573 121.866324 140.414822 8 h after light 179.646297 173.504192 185.788402 12 h after light 132.14433350000002 120.083245 144.205422 4 h after dark 138.9655775 127.850459 150.080696 8 h after dark 116.2510355 113.093781 119.40829 12 h after dark 213.582926 213.582926 213.582926