렌더링 파트 알고리즘 수정

 var express = require('express');
 var router = express.Router();
 var db = require('../lib/db');
-require('date-utils');
-
-var newDate = new Date();
 
 /* GET home page. */
 router.get('/', function(req, res, next) {
@@ -17,10 +14,10 @@ router.get('/', function(req, res, next) {
   var dataLen = 0; // 데이터 개수
   var empty = 0; // 초기값 유뮤, 0 : 자료 있음, 1 : 자료 없음
   var sql = ""; // 쿼리
-  var index = 0;
+  var count = 0;
 
   // 이전 10분간 데이터 찾기
-  sql = "SELECT * FROM weatherInfo WHERE time >= DATE_FORMAT(DATE_ADD(now(), INTERVAL -10 MINUTE), '%Y-%m-%d %H:%i:%s')";
+  sql = "SELECT * FROM weatherInfo WHERE time >= DATE_FORMAT(DATE_ADD(now(), INTERVAL -20 MINUTE), '%Y-%m-%d %H:%i:%s')";
   db.query(sql, function(err, rows, fields){
   if (err) {
     console.log(err);
@@ -29,26 +26,18 @@ router.get('/', function(req, res, next) {
       empty = 1;
     } else {
       for (var i = rows.length - 1; i >= 0; i--){
-        var temp = rows[i].time.getMinutesBetween(newDate);
-
-        if(temp == index){
         probArr.unshift(rows[i].prob);
         time.unshift(rows[i].time);
         ptArr.unshift(rows[i].temperature);
         wsArr.unshift(rows[i].wind);
         rainArr.unshift(rows[i].rain);
-          index = index + 1;
-        }
-        else {
-          empty = 1;
+        count = count + 1;
+
+        if (count == 10){
           break;
         }
       }
 
-      if (empty == 1 && probArr.length != 0)
-        empty = 0;
-      }
-
       dataLen = probArr.length;
       res.render('index', {
         empty,
@@ -60,7 +49,8 @@ router.get('/', function(req, res, next) {
         dataLen
       });
     }
-  })
+  }
+});
 });
 
 module.exports = router;