import java.io.*;
import java.util.*;
import java.awt.*;

public class weather {

    public static void main(String[] args)

	throws FileNotFoundException {

		Scanner input = new Scanner(new File("PortlandWeather2011.txt"));

		String x = input.nextLine();
		System.out.println(x);
		String y = input.nextLine();
		System.out.println(y);

		int count = 0;
		while (input.hasNextLine()) {

			process(input);
			count++;

		}

		double[] precip = new double[count];
		double[] snow = new double[count];
		double[] snowDepth = new double[count];
		double[] tempMin = new double[count];
		double[] tempMax = new double[count];

		input = new Scanner(new File("PortlandWeather2011.txt"));

		x = input.nextLine();
		System.out.println(x);
		y = input.nextLine();
		System.out.println(y);

		count = 0;
		while (input.hasNextLine()) {
			input.next();
			input.next();
			precip[count] = input.nextDouble();
			snow[count] = input.nextDouble();
			snowDepth[count] = input.nextDouble();
			tempMax[count] = input.nextDouble();
			tempMin[count] = input.nextDouble();
			count++;
		}
		
		System.out.println(arrayAvg(precip));
		System.out.println(arrayAvg(snow));
		System.out.println(arrayAvg(snowDepth));
		System.out.println(arrayAvg(tempMin));
		System.out.println(arrayAvg(tempMax));
	}

	public static double arrayAvg(double a[]) {
		int count = 0;
		double sum = 0;
		for (int i = 0; i < a.length; i++) {
			count++;
			if (a[i] != 393.7) {
				sum += a[i];
				

			}
			
		}
		return sum/count;
	}

	public static void process(Scanner input) {
		while (input.hasNext()) {
			String station = input.next();

			while (input.hasNextInt()) {
				String date = input.next();

				while (input.hasNextInt()) {
					int precipitation = input.nextInt();

					while (input.hasNextInt()) {
						int snow = input.nextInt();

						while (input.hasNextInt()) {
							int snowDepth = input.nextInt();

							while (input.hasNextInt()) {
								int tempMin = input.nextInt();

								while (input.hasNextInt()) {
									int tempMax = input.nextInt();

								}
							}
						}
					}
				}
			}
		}
	}

	public static double tempConvert(int n) {
		double celsius = (n / 10.0) * 9 / 5 + 32;

		return celsius;
	}

	public static double snowConvert(int n) {
		double snowInches = n * 0.03937;

		return snowInches;
	}

	public static double precipitationConvert(int n) {
		double rainInches = ((n * 0.03937) / 10);
		return rainInches;
	}

}