condition mean min max 4 h after light 75.0606105 58.05249 92.068731 8 h after light 95.665581 90.84312 100.488042 12 h after light 213.0581965 196.429286 229.687107 4 h after dark 393.7096375 306.956449 480.462826 8 h after dark 1392.127739 919.792652 1864.462826 12 h after dark 168.372532 168.372532 168.372532