gistfile1.txt

var fs = require('fs');

fs.readFile('./thanks_log.txt', 'utf8', function (err, text) {
    text = text.replace(/\\s/g , "");
    var rows = text.split("\n")
    var dataArray = [];
    for( var i = 0 , arrayLength = rows.length ; i < arrayLength ; i++){
        var row = rows[i];
        var data = row.split("|")

        dataArray.push({
            date  : data[1],
            count : data[2],
        });
    }

    var max = 0;
    var maxI = 0;
    for( var i = 0 , arrayLength = dataArray.length - 30 ; i < arrayLength ; i++){
        var sum = 0;
        for( var j = 0 ; j < 30; j++){
            var rowNumber = i + j;
            var count = dataArray[rowNumber]["count"];
            sum += parseInt(count);
        }
        if(max < sum ){
            console.log(i);
            console.log(max);
            max = sum
            maxI = i;
        }
    }
    
    console.log(max)
    console.log(dataArray[maxI]["date"])
    console.log(dataArray[maxI + 30]["date"])
});