cadeau!

test.js

var data = {
	_id: "fridge",
	values: [
		{
			hourAgo: 0,
			value: 10
		},
		{
			hourAgo: 2,
			value: 12
		},
		{
			hourAgo: 1,
			value: 11
		},
		{
			hourAgo: 22,
			value: 22
		},
		{
			hourAgo: 10,
			value: 11
		}
	]
};

var computeStats = function(data, ago, max) {
	// create a 0 filled array
	var computedData = Array.apply(null, new Array(max)).map(Number.prototype.valueOf, 0);
	// plae each values at the right place
	data.values.forEach(function(current) {
		computedData.splice(current[ago], 1, current.value);
	});
	console.log(computedData);
};

computeStats(data, 'hourAgo', 24);