condition mean min max 4 h after light 174.283212 124.400728 224.165696 8 h after light 157.985445 157.575777 158.395113 12 h after light 236.5645165 154.944547 318.184486 4 h after dark 274.49134549999997 197.462826 351.519865 8 h after dark 357.8642355 273.111022 442.617449 12 h after dark 170.700829 170.700829 170.700829