rain.c

#include <stdio.h>
#include <stdlib.h>

#define MONTHS 12
#define YEARS   5

int main(void)
{
	float rain[YEARS][MONTHS];
	int b;
	
	for (int x = 0; x < YEARS; x++)
	{
		srand(x);
		for (int y = 0; y < MONTHS; y++)
		{
			b = rand();
			rain[x][y] = b;
			printf("RAIN[%d][%d] = %d\n",x,y,rain[x][y]);
		}
	}
	
	return 0;
}