condition mean min max 4 h after light 95.145207 83.693031 106.597383 8 h after light 87.1024515 73.381555 100.823348 12 h after light 109.0982615 85.249625 132.946898 4 h after dark 153.961837 126.043602 181.880072 8 h after dark 131.003255 117.722212 144.284298 12 h after dark 135.616672 135.616672 135.616672